WO2015096224A1 - Motor controller integrated with drive, charging and discharging functions - Google Patents

Motor controller integrated with drive, charging and discharging functions Download PDF

Info

Publication number
WO2015096224A1
WO2015096224A1 PCT/CN2014/070474 CN2014070474W WO2015096224A1 WO 2015096224 A1 WO2015096224 A1 WO 2015096224A1 CN 2014070474 W CN2014070474 W CN 2014070474W WO 2015096224 A1 WO2015096224 A1 WO 2015096224A1
Authority
WO
WIPO (PCT)
Prior art keywords
phase
converter
charging
bidirectional
switch
Prior art date
Application number
PCT/CN2014/070474
Other languages
French (fr)
Chinese (zh)
Inventor
杨鹏
高金文
王勐
康晶晶
Original Assignee
大洋电机新动力科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大洋电机新动力科技有限公司 filed Critical 大洋电机新动力科技有限公司
Publication of WO2015096224A1 publication Critical patent/WO2015096224A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/24—Using the vehicle's propulsion converter for charging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/12—Buck converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/14—Boost converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/10—Electrical machine types
    • B60L2220/14—Synchronous machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/54—Windings for different functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/56—Structural details of electrical machines with switched windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to a motor controller with integrated drive and charge and discharge functions, and more particularly to a controller for integrated motor drive and single and three phase charge and discharge functions.
  • the object of the present invention is to provide a motor controller with integrated driving and charging and discharging functions, which has a simple circuit structure, reduces electronic components, is more reliable, and has low cost, light weight, small volume, and high power factor.
  • a further object of the present invention is a motor controller compatible with integrated drive and charge and discharge functions for single phase charging and three phase charging.
  • the motor controller with integrated drive and charge and discharge functions is characterized in that it comprises a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter, a drive-charge mode switching device, an AC power input interface device and a central control a microprocessor, wherein the rechargeable battery is connected with a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter and a motor to form a motor drive circuit, an AC power input interface device, and a three-phase bridge DC-AC bidirectional converter
  • the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, and the driving-charging mode switching device is utilized.
  • the motor drive circuit is in operation and the battery charging circuit is turned off, or the motor drive circuit is turned off and the battery charging circuit is in operation.
  • the bidirectional DC-DC converter described above forms a boos t boost circuit in the drive mode, and forms a buck step-down circuit in the charge mode.
  • the bidirectional DC-DC converter described above includes a seventh switch tube, a seventh diode, an eighth switch tube, an eighth diode, a multiplexed inductor and a capacitor, and an emitter and an eighth switch of the seventh switch tube
  • the tube collector connection combination forms a single bridge wall structure, one end of the multiplexing inductor is connected between the emitter of the seventh switch tube and the collector of the eighth switch tube, and the collector of the seventh switch tube and the emitter of the eighth switch tube Connect the capacitor between,
  • the other end of the multiplexed inductor is connected to the positive pole of the rechargeable battery, the negative pole of the rechargeable battery is connected to the emitter of the eighth switch tube, and the control end of the seventh switch tube and the eighth switch tube are connected to the output end of the central control microprocessor.
  • the drive-charge mode switching device described above includes a first switch K1 and a second switch K2, and three connections between the three-phase bridge DC-AC bidirectional converter and the motor, the first switch K1 and the second switch K2 They are installed on a wire to control the connection and disconnection of the three-phase bridge DC-AC bidirectional converter and the motor.
  • the central control microprocessor pairs the bidirectional DC-DC converter and the three-phase bridge.
  • the DC-AC bidirectional converter performs control, the first switch and the second switch are both closed, and the on-board high-voltage rechargeable battery is boosted by the bidirectional DC-DC converter to regulate the DC bus voltage, and the three-phase bridge type DC-AC bidirectional converter Working in the inverter state, changing the DC DC into AC AC to the motor; in the charging mode, the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, first The switch and the second switch are both disconnected, the three-phase bridge type DC-AC bidirectional converter operates in a rectified state, and the alternating current input from the AC power input interface device is subjected to high frequency P medical rectification through a three-phase bridge type DC-AC bidirectional converter. of Link voltage, and limiting the on-board high-voltage step-down rechargeable battery for the fast charge or slow charge by the bidirectional DC-DC converter stage.
  • the three-phase PFC inductor is connected between the AC power input interface device and the three-phase bridge DC-AC bidirectional converter, and the three-phase PFC inductor includes a first phase inductor, a second phase inductor, and a third Phase inductance.
  • the AC power input interface device described above is compatible with single-phase charging and three-phase charging, and the AC power input interface is connected with an AC input detecting circuit, and the AC input detecting circuit transmits the detection signal to the central control microprocessor, and the central control microprocessor starts.
  • the single-phase charging mode and the three-phase charging mode control the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter.
  • the AC power input interface device described above is compatible with single-phase charging and three-phase charging and adopts a unified interface PI, and has an interface A, an interface B, an interface C, an interface N and a third switch, and the two ends of the third switch are respectively connected to the interface. N and interface A.
  • the third switch When the central control microprocessor starts the single-phase charging mode, the third switch is closed, the interface A and the interface B have inputs, and the second phase inductance and the third phase inductance of the three-phase PFC inductor are used to participate in the PFC power. Correction; When the central control microprocessor starts the three-phase charging mode, the third switch is turned off, and the first phase inductance, the second phase inductance, and the third phase inductance are used to participate in the PFC power correction.
  • the AC input detection circuit detects the amplitude and phase of the interface J1, the interface J2, the interface J 3 and the interface N, when detecting and judging The result is that the third switch is closed when the single-phase input is closed, so that the neutral line of the interface N will be introduced into the first phase inductance, and the third switch is turned off when the detection result is the three-phase input, due to the neutral line of the interface N.
  • the first switch, the second switch and the third switch described above are both relay switches, and the central control microprocessor independently controls the first switch, the second switch and the third switch respectively through the drive circuit.
  • the central control microprocessor described above also detects data such as bus voltage, bus current, motor rotor position, phase current of the motor winding, motor fault, and the like.
  • the invention has the following effects:
  • the rechargeable battery and the bidirectional DC-DC converter, the three-phase bridge type DC-AC bidirectional converter and the motor are sequentially connected to form a motor drive circuit, an AC power input interface device, a three-phase bridge type DC-AC bidirectional converter, a bidirectional DC
  • the DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, and drives the motor by using the drive-charge mode switching device.
  • the circuit is in operation and the battery charging circuit is turned off, or the motor drive circuit is turned off and the battery charging circuit is in operation.
  • the same bidirectional DC-DC converter and three-phase bridge DC-AC bidirectional converter are used to realize charging control and drive control, simplify circuit structure, reduce electronic components, work more reliably, and have low cost. Light weight, small size and improved power factor.
  • a bidirectional DC-DC converter is installed between the rechargeable battery and the three-phase bridge type DC-AC bidirectional converter, and the bidirectional DC-DC converter forms a boos t boost circuit in the driving mode, and buck is formed in the charging mode.
  • Circuit, and shared multiplexed inductor L1 which can further simplify the circuit structure, reduce electronic components, work more reliably, and has low cost, light weight, small size, improved power factor, bidirectional DC-DC
  • the inverter adopts a single bridge arm structure composed of two power switching elements T7 and ⁇ 8, which not only improves the weak magnetic speed expansion capability of the motor system in the driving state and the charging voltage adjustment capability in the charging mode, but also greatly reduces the device usage. And cost;
  • the drive-charge mode switching device includes a first switch K1 and a second switch ⁇ 2, and three connections between the three-phase bridge type DC-AC bidirectional converter and the motor, the first switch K1 and the second switch K2 are respectively installed In a connection line to control the connection and disconnection of the three-phase bridge type DC-AC bidirectional converter and the motor, in the driving mode, the first switch and the second switch are both closed, in the charging mode, the first switch and The second switch is disconnected, the control is simple and reliable, and the number of parts is small.
  • AC power input interface device is compatible with single-phase charging and three-phase charging
  • AC power input interface is connected with AC input detection circuit
  • AC input detection circuit transmits detection signal to central control microprocessor
  • central control microprocessor starts Single-phase charging mode and three-phase charging mode to control bidirectional DC-DC converter, three-phase bridge DC-AC bidirectional converter, when the central control microprocessor starts single-phase charging mode, closes the third switch, interface A, interface B has input, using the second phase inductance and the third phase inductance of the three-phase PFC inductor to participate in the PFC power correction;
  • the central control microprocessor starts the three-phase charging mode, the third switch is turned off, using the first phase inductance, the first The two-phase inductor and the third-phase inductor participate in the PFC power correction.
  • the three-phase PFC inductor is multiplexed in the single-phase and three-phase charging modes, simplifies the circuit structure, reduces the electronic components, and is more reliable, and has low cost, light weight and small size. , improve the power factor.
  • the AC power input by the AC power input interface device of the present invention is subjected to high-frequency PWM rectification by a three-phase bridge type DC-AC bidirectional converter, and the AC input rectifying device is omitted, and a high power factor is realized;
  • the first switch K1 and the second switch K2 of the present invention control the on/off of the motor, and the complex lock control brought by the multiplexed motor inductance of the conventional control scheme is removed, so that the overall system control strategy of the present invention is compared. simple; 7. The cost is low, and the additional cost of the present invention does not exceed the cost of the original 3. 3KW vehicle charger.
  • Figure 1 is a block diagram showing the circuit principle of the present invention.
  • Figure 2 is a partial electrical schematic diagram corresponding to Figure 1.
  • Figure 3 is an equivalent circuit diagram of the bidirectional DC-DC converter of the present invention operating in a drive mode.
  • Figure 4 is an equivalent circuit diagram of the three-phase bridge type DC-AC bidirectional converter of the present invention in a three-phase charging mode.
  • Figure 5 is an equivalent circuit diagram of the inventive bidirectional DC-DC converter operating in a charging mode.
  • Fig. 6 is an equivalent circuit diagram of the three-phase bridge type DC-AC bidirectional converter of the present invention in a single-phase charging mode. detailed description:
  • the present invention is a motor controller with integrated driving and charging and discharging functions, which comprises a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter, a driving-charging mode switching device, The AC power input interface device and the central control microprocessor, wherein the rechargeable battery and the bidirectional DC-DC converter, the three-phase bridge DC-AC bidirectional converter and the motor are sequentially connected to form a motor drive circuit, an AC power input interface device, and a three-phase
  • the bridge type DC-AC bidirectional converter, the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit
  • the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge type DC-AC bidirectional converter.
  • the drive-charge mode switching device is used to make the motor drive circuit in operation and the battery charging circuit is turned off, or the motor drive circuit is turned off and the battery charging circuit is in operation.
  • the bidirectional DC-DC converter described above forms a boos t boost circuit in the drive mode, and forms a buck step-down circuit in the charge mode.
  • the bidirectional DC-DC converter described above includes a seventh switch tube T7, a seventh diode D7, an eighth switch tube T8, an eighth diode D8, a multiplex inductor L1 and a capacitor C1, and a seventh switch tube T7.
  • the emitter is combined with the collector of the eighth switch tube T8 to form a single bridge wall structure.
  • One end of the multiplex inductor L1 is connected between the emitter of the seventh switch tube T7 and the collector of the eighth switch tube T8, and the seventh switch A capacitor C1 is connected between the collector of the tube T7 and the emitter of the eighth switch tube T8, and the other end of the multiplexed inductor L1 is positive with the rechargeable battery.
  • the pole is connected, the negative pole of the rechargeable battery is connected to the emitter of the eighth switch tube T8, and the control end of the seventh switch tube ⁇ 7 and the eighth switch tube ⁇ 8 is connected with the output end of the central control microprocessor.
  • the above-described drive-charge mode switching device includes a first switch K1 and a second switch ⁇ 2, and three connections between the three-phase bridge type DC-AC bidirectional converter and the motor, the first switch K1 and the second switch K2 They are installed on a wire to control the connection and disconnection of the three-phase bridge DC-AC bidirectional converter and the motor.
  • the central control microprocessor pairs the bidirectional DC-DC converter and the three-phase bridge.
  • the DC-AC bidirectional converter performs control, the first switch K1 and the second switch K2 are both closed, and the on-board high-voltage rechargeable battery is boosted by the bidirectional DC-DC converter to regulate the DC bus voltage, and the three-phase bridge type DC-AC bidirectional The converter operates in an inverter state, and changes the DC DC to AC AC to the motor.
  • the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter.
  • the first switch K1 and the second switch K2 are both disconnected, the three-phase bridge type DC-AC bidirectional converter operates in a rectified state, and the alternating current input from the AC power input interface device passes through the three-phase bridge type DC-AC bidirectional converter for high frequency.
  • PWM rectification The obtained DC bus voltage is fast-charged or slow-charged by the high-voltage rechargeable battery of the vehicle through the step-down bidirectional DC-DC converter.
  • the three-phase PFC inductor is connected between the AC power input interface device and the three-phase bridge DC-AC bidirectional converter, and the three-phase PFC inductor includes a first phase inductor L2, a second phase inductor L3, and The third phase inductance L4.
  • the AC power input interface device described above is compatible with single-phase charging and three-phase charging, and the AC power input interface is connected with an AC input detecting circuit, and the AC input detecting circuit transmits the detection signal to the central control microprocessor, and the central control microprocessor starts.
  • the single-phase charging mode and the three-phase charging mode control the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter.
  • the AC power input interface device described above is compatible with single-phase charging and three-phase charging and adopts a unified interface PI, and has a connection with the PA, the interface B, the interface C, the interface N and the third switch K3, and the two ends of the third switch K3 respectively Connect interface N and interface A.
  • the third switch K3 When the central control microprocessor starts the single-phase charging mode, the third switch K3 is closed, the interface A and the interface B have inputs, and the second phase inductance L3 and the third phase inductance L4 of the three-phase PFC inductor are used to participate in the PFC. Power correction; When the central control microprocessor starts the three-phase charging mode, the third switch K3 is turned off, and the PFC power correction is participated by the first phase inductance L2, the second phase inductance L3, and the third phase inductance L4.
  • the AC input detection circuit When the external power supply is connected to the central control microprocessor through the same interface PI, the AC input detection circuit will detect the amplitude and phase of the interface J1, the interface J2, the interface J 3 and the interface N, and the detection result is a single
  • the third K3 switch When the phase is input, the third K3 switch is closed, so that the neutral line of the interface N will be introduced into the first phase inductor L2, and when the detection result is the three-phase input, the third switch K3 is disconnected, due to the neutral line of the interface N.
  • the first switch K1, the second switch ⁇ 2 and the third switch ⁇ 3 described above are all relay switches, and the central control microprocessor independently controls the first switch K1, the second switch ⁇ 2 and the third switch ⁇ 3 through the drive circuit.
  • the central control microprocessor described above also detects bus voltage, bus current, motor rotor position, and phase current data of the motor windings.
  • the three-phase bridge type DC-AC bidirectional converter comprises a switch tube T1, a switch tube ⁇ 2, a switch tube ⁇ 3, a switch tube ⁇ 4, a switch tube ⁇ 5, a switch tube ⁇ 6, a diode tube Dl, a diode tube D2, a diode tube D3, Diode D4, diode D5, diode D6; the above parts are combined into three bridge arms, switch tube Tl, switch tube ⁇ 2, switch tube ⁇ 3, switch tube ⁇ 4, switch tube ⁇ 5, switch tube ⁇ 6 control end
  • the microprocessor is controlled by the central control unit.
  • the principle of operation of the present invention is as follows:
  • the integrated motor controller of the present invention can utilize the same set of devices to implement drive, charge and brake functions.
  • the circuit can be regarded as a Boos t boost circuit composed of the multiplexing inductor L1, the switching transistor T8, the anti-parallel diode D7 of the switching transistor ⁇ 7, and the output side capacitor C, which is controlled by the central control micro-processing.
  • the switch tube T7 is in a normally open state, at this time, the rechargeable battery E stores energy through the multiplexing inductor L1, the capacitor C supplies energy to the load, and the anti-parallel diode D7 of the T7 is in a reverse bias state; when the switch tube T8 is turned off, At this time, the energy stored in the multiplexed inductor L1 is superimposed with the battery energy to supply energy to the load side, and supplement The energy lost on the charging capacitor C when T8 is turned on, because the multiplexed inductor L1 has the function of voltage pumping, so that the output side voltage is greater than the charging battery ⁇ voltage, and the boosting function is realized.
  • the DC bus voltage can be adjusted, which can improve the weak magnetic speed expansion capability of the motor system under the driving state.
  • the three-phase bridge type DC-AC bidirectional converter operates in the inverter state under the control of the central control microprocessor, and changes the DC DC into AC AC power supply to the motor motor ⁇
  • K1 and K2 are disconnected, K3 is normally disconnected, the AC input detection circuit transmits the detection signal to the central control microprocessor, and the AC input detection circuit will be connected to interface ⁇ , interface J 2, interface J 3 and The interface N performs amplitude and phase detection.
  • the third K 3 switch is closed, and the zero line of the interface N is introduced into the first phase inductor L2, and the detection result is three.
  • the third switch K3 is disconnected, since the neutral line of the interface N will no longer be connected to the first phase inductor L2, forming the first phase inductor L2, the second phase inductor L3 and the third phase inductor L4.
  • the PFC power is corrected to achieve single-phase and three-phase non-interference inputs, sharing one interface P l .
  • the AC power input interface device, the three-phase bridge DC-AC bidirectional converter, the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the third switch K 3 is disconnected, and the external three
  • the phase AC power source utilizes the first phase inductor L2, the second phase inductor L3, and the third phase inductor L4 to participate in the PFC power correction.
  • the three-phase bridge type DC-AC bidirectional converter operates under the control of the central control microprocessor on the three-phase bridge.
  • the P circuit is rectified, and its equivalent circuit is shown in Figure 4.
  • the equivalent circuit of the bidirectional DC-DC converter is composed of the solid line part of Fig. 5.
  • the circuit can be regarded as composed of the anti-parallel diode D8 of the multiplexing inductor L1, the switching transistor T7, and the switching transistor ⁇ 8.
  • the Buck step-down circuit at this time, the switch tube T8 is in a normally open state.
  • the function of the multiplexed inductor L1 is a step-down filter inductor, and the switch tube T8 is connected in parallel with the diode D8 to provide a freewheeling circuit for the current, through the switch tube T7.
  • the duty cycle control can convert the DC bus voltage Udc into the charging voltage of the rechargeable battery E, and has a good charging voltage adjustment capability to achieve a constant current or constant voltage control target, thereby meeting the charging demand of the battery.
  • the AC power input interface device, the three-phase bridge DC-AC bidirectional converter, the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the third switch K 3 is closed.
  • the external three-phase AC power supply uses the second phase inductance L3 or the third phase inductance L4 to participate in the PFC power correction, and the three-phase bridge type DC-AC bidirectional converter operates under the control of the central control microprocessor in the three-phase bridge type P medical rectification.
  • the equivalent circuit is shown in Figure 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

A motor controller integrated with drive, charging and discharging functions, comprising: a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter, a drive-charging mode switching device, an AC power supply input interface device and a central control microprocessor, wherein a charging battery (E) is sequentially connected to the bidirectional DC-DC converter, the three-phase bridge DC-AC bidirectional converter and a motor to form a motor drive loop; the AC power supply input interface device, the three-phase bridge DC-AC bidirectional converter, the bidirectional DC-DC converter and the charging battery are sequentially connected to form a battery charging loop; and the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter and utilizes the drive-charging mode switching device to cause the motor drive loop to be in an operating state and cause the battery charging loop to be turned off or cause the motor drive loop to be turned off and cause the battery charging loop to be in an operating state. The motor controller is simple in circuit structure, and electronic elements are decreased.

Description

集成驱动及充放电功能的电机控制器 技术领域 ：  Motor controller with integrated drive and charge and discharge function
本发明涉及集成驱动及充放电功能的电机控制器， 尤其涉及涉及一种集成 电机驱动和单、 三相充放电功能的控制器。  The present invention relates to a motor controller with integrated drive and charge and discharge functions, and more particularly to a controller for integrated motor drive and single and three phase charge and discharge functions.
背景技术 ： Background technique :
一） 目前国外集驱动及充放电功能的电机控制器的解决方案基于非隔离集 成 "充电-驱动" ***的方案在汽车行业已经得到应用。 具体方案有：  a) At present, the solution of the motor controller for driving and charging and discharging functions abroad has been applied in the automotive industry based on the scheme of non-isolated integrated "charge-drive" system. The specific programs are:
(1) 并联 Boos t 非隔离集成充电机， 如图 1 , 利用电机绕组作为电感结合 三相 IGBT变换器组合而成， 对电机的设计要求较高； (1) Parallel Boos t non-isolated integrated charger, as shown in Figure 1, using motor windings as an inductor combined with three-phase IGBT converters, the design requirements for the motor are high;
( 2 )基于裂相电机的非隔离集成充电机； (2) Non-isolated integrated charger based on split-phase motor;
( 3 )基于四轮独立驱动的集成充电机。 这类拓扑的共同点是： 在充电模式 下利用接触器对电机的绕组进行了重新配置和复用功率开关单元。 (3) Integrated charger based on four-wheel independent drive. Common to this type of topology are: Reconfiguring and multiplexing the power switching unit with the contactor in charging mode.
从国外已有技术方案来看， 目前基于 PWM整流技术的 "驱动一充电" 集成 方案均实现了高效的充电和单位功率因数控制等功能， 性能上具有较大优势； 而且与电机驱动***中的三相逆变器共用电力电子器件， 节省了不控整流 +有源 功率因数校正电路或 PWM整流电路的成本， 是一种可以切实提高***性能指标， 降低体积和成本的有前景的技术。 国外技术的缺点：  From the existing technical solutions in foreign countries, the current "drive-and-charge" integration scheme based on PWM rectification technology achieves high-efficiency charging and unit power factor control functions, and has great advantages in performance; The three-phase inverter shares power electronics, which saves the cost of uncontrolled rectification + active power factor correction circuit or PWM rectifier circuit. It is a promising technology that can effectively improve system performance indicators and reduce volume and cost. Disadvantages of foreign technology:
(1) . 利用电机绕组作为电感， 对电机的设计要求较高。 三相充电模式下， 在永磁同步电机上必须增加额外的锁止装置， 控制技术上难以实现； (1) . Using motor windings as inductors, the design requirements of the motor are high. In the three-phase charging mode, an additional locking device must be added to the permanent magnet synchronous motor, which is technically difficult to implement;
(2) . 对于兼容三相和单相充电方式支持不足； (2) . Insufficient support for compatible three-phase and single-phase charging modes;
(3) . 对于大功率充电和小功率充电的切换， 需要制定标准来进行自适应。 二） 国内集驱动及充放电功能的电机控制器的解决方案， 如有北京理工大 学的名称为 "一种具有 220VAC/ 380VAC充电功能的电机驱动 -充电一体化装置"， 专利公开号为 CN102935812A的发明专利， 该技术方案主要存在以下缺点： 1、额外增加了两个大功率的升 /降压电感、 体积大， 较为笨重； 2、 额外增加两个 DCDC升降压桥臂（大功率 IGBT单元）； 3、 额外增加三个高压大电流的继电器（高成本）； 4、 单、 三相充电接口不兼容。 5、 由于接口的不兼容， 不能自动判断并适应不同的充电模式。 (3) . For high power charging and low power charging switching, standards need to be developed for adaptation. b) The domestic motor controller solution for driving and charging and discharging functions, if the name of Beijing University of Technology is "a motor-charge integrated device with 220VAC/380VAC charging function", Patent publication No. CN102935812A invention patent, the technical solution mainly has the following disadvantages: 1. Two additional high-power boost/buck inductors are added, which are bulky and cumbersome; 2. Two additional DCDC buck-boost bridges are added. Arm (high-power IGBT unit); 3, additional three high-voltage and high-current relays (high cost); 4, single, three-phase charging interface is not compatible. 5. Due to the incompatibility of the interface, it is not possible to automatically judge and adapt to different charging modes.
发明内容 ： Summary of the invention:
本发明的目的是提供一种集成驱动及充放电功能的电机控制器， 电路结构 简单， 减少电子元气件， 工作更可靠， 并且具有成本低、 重量轻、 体积小、 高 功率因数。  SUMMARY OF THE INVENTION The object of the present invention is to provide a motor controller with integrated driving and charging and discharging functions, which has a simple circuit structure, reduces electronic components, is more reliable, and has low cost, light weight, small volume, and high power factor.
本发明的进一步目的是兼容单相充电和三相充电的集成驱动及充放电功能 的电机控制器 。  A further object of the present invention is a motor controller compatible with integrated drive and charge and discharge functions for single phase charging and three phase charging.
本发明的目的是通过下述技术方案予以实现的：  The object of the present invention is achieved by the following technical solutions:
集成驱动及充放电功能的电机控制器，其特征在于： 它包括双向 DC-DC变换 器、 三相桥式 DC-AC双向变换器、 驱动-充电模式切换装置、 交流电源输入接口 装置和中央控制微处理器， 其中充电电池与双向 DC-DC变换器、 三相桥式 DC-AC 双向变换器和电机依次连接形成电机驱动回路， 交流电源输入接口装置、 三相 桥式 DC-AC双向变换器、 双向 DC-DC变换器和充电电池依次连接形成电池充电 回路， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC双向变换器进 行控制， 利用驱动 -充电模式切换装置使电机驱动回路处于工作状态而电池充电 回路关断， 或者使电机驱动回路关断而电池充电回路处于工作状态。  The motor controller with integrated drive and charge and discharge functions is characterized in that it comprises a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter, a drive-charge mode switching device, an AC power input interface device and a central control a microprocessor, wherein the rechargeable battery is connected with a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter and a motor to form a motor drive circuit, an AC power input interface device, and a three-phase bridge DC-AC bidirectional converter The bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, and the driving-charging mode switching device is utilized. The motor drive circuit is in operation and the battery charging circuit is turned off, or the motor drive circuit is turned off and the battery charging circuit is in operation.
上述所述的双向 DC-DC变换器在驱动模式下形成 boos t升压电路， 在充电 模式下形成 buck降压电路。  The bidirectional DC-DC converter described above forms a boos t boost circuit in the drive mode, and forms a buck step-down circuit in the charge mode.
上述所述的双向 DC-DC变换器包括第七开关管、 第七二级管、 第八开关管、 第八二级管、 复用电感和电容， 第七开关管的发射极与第八开关管集电极连接 组合形成一个单桥壁结构， 复用电感的一端连接在第七开关管的发射极与第八 开关管集电极之间， 第七开关管的集电极与第八开关管发射极之间连接电容， 复用电感的另一端与充电电池正极连接， 充电电池负极连接第八开关管发射极, 第七开关管和第八开关管的控制端与中央控制微处理器的输出端连接。 The bidirectional DC-DC converter described above includes a seventh switch tube, a seventh diode, an eighth switch tube, an eighth diode, a multiplexed inductor and a capacitor, and an emitter and an eighth switch of the seventh switch tube The tube collector connection combination forms a single bridge wall structure, one end of the multiplexing inductor is connected between the emitter of the seventh switch tube and the collector of the eighth switch tube, and the collector of the seventh switch tube and the emitter of the eighth switch tube Connect the capacitor between, The other end of the multiplexed inductor is connected to the positive pole of the rechargeable battery, the negative pole of the rechargeable battery is connected to the emitter of the eighth switch tube, and the control end of the seventh switch tube and the eighth switch tube are connected to the output end of the central control microprocessor.
上述所述的驱动 -充电模式切换装置包括第一开关 K1和第二开关 K2，三相 桥式 DC-AC双向变换器和电机之间有 3根连线， 第一开关 K1和第二开关 K2分 别安装在一根连线上以控制三相桥式 DC-AC双向变换器和电机的连接和断开， 在驱动模式下， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC双向 变换器进行控制， 第一开关和第二开关都闭合， 车载高压充电电池经双向 DC-DC 变换器升压对直流母线电压进行稳压， 三相桥式 DC-AC双向变换器工作在逆变 状态， 将直流 DC变化成交流 AC供电给电机； 在充电模式下， 中央控制微处理 器对双向 DC-DC变换器和三相桥式 DC-AC双向变换器进行控制， 第一开关和第 二开关都断开， 三相桥式 DC-AC双向变换器工作在整流状态， 交流电源输入接 口装置输入的交流电经过三相桥式 DC-AC双向变换器进行高频 P醫整流得到的 直流母线电压， 并通过后级双向 DC-DC变换器进行降压限流对车载高压充电电 池进行快充或者慢充。  The drive-charge mode switching device described above includes a first switch K1 and a second switch K2, and three connections between the three-phase bridge DC-AC bidirectional converter and the motor, the first switch K1 and the second switch K2 They are installed on a wire to control the connection and disconnection of the three-phase bridge DC-AC bidirectional converter and the motor. In the drive mode, the central control microprocessor pairs the bidirectional DC-DC converter and the three-phase bridge. The DC-AC bidirectional converter performs control, the first switch and the second switch are both closed, and the on-board high-voltage rechargeable battery is boosted by the bidirectional DC-DC converter to regulate the DC bus voltage, and the three-phase bridge type DC-AC bidirectional converter Working in the inverter state, changing the DC DC into AC AC to the motor; in the charging mode, the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, first The switch and the second switch are both disconnected, the three-phase bridge type DC-AC bidirectional converter operates in a rectified state, and the alternating current input from the AC power input interface device is subjected to high frequency P medical rectification through a three-phase bridge type DC-AC bidirectional converter. of Link voltage, and limiting the on-board high-voltage step-down rechargeable battery for the fast charge or slow charge by the bidirectional DC-DC converter stage.
上述所述在电池充电回路中， 交流电源输入接口装置与三相桥式 DC-AC双 向变换器之间连接三相 PFC电感， 三相 PFC电感包括第一相电感、 第二相电感 和第三相电感。  In the battery charging circuit, the three-phase PFC inductor is connected between the AC power input interface device and the three-phase bridge DC-AC bidirectional converter, and the three-phase PFC inductor includes a first phase inductor, a second phase inductor, and a third Phase inductance.
上述所述的交流电源输入接口装置兼容单相充电和三相充电， 交流电源输 入接口连接有交流输入检测电路， 交流输入检测电路将检测信号传送到中央控 制微处理器， 中央控制微处理器启动单相充电模式和三相充电模式去控制双向 DC-DC变换器、 三相桥式 DC-AC双向变换器。  The AC power input interface device described above is compatible with single-phase charging and three-phase charging, and the AC power input interface is connected with an AC input detecting circuit, and the AC input detecting circuit transmits the detection signal to the central control microprocessor, and the central control microprocessor starts. The single-phase charging mode and the three-phase charging mode control the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter.
上述所述的交流电源输入接口装置兼容单相充电和三相充电并釆用统一接 口 PI , 具有接口 A、 接口 B、 接口 C和接口 N和第三开关， 第三开关的两端分别 连接接口 N和接口 A。  The AC power input interface device described above is compatible with single-phase charging and three-phase charging and adopts a unified interface PI, and has an interface A, an interface B, an interface C, an interface N and a third switch, and the two ends of the third switch are respectively connected to the interface. N and interface A.
上述所述当中央控制微处理器启动单相充电模式， 闭合第三开关， 接口 A、 接口 B有输入， 利用三相 PFC电感中的第二相电感和第三相电感参与 PFC功率 校正； 当中央控制微处理器启动三相充电模式， 断开第三开关， 利用第一相电 感、 第二相电感和第三相电感参与 PFC功率校正。 When the central control microprocessor starts the single-phase charging mode, the third switch is closed, the interface A and the interface B have inputs, and the second phase inductance and the third phase inductance of the three-phase PFC inductor are used to participate in the PFC power. Correction; When the central control microprocessor starts the three-phase charging mode, the third switch is turned off, and the first phase inductance, the second phase inductance, and the third phase inductance are used to participate in the PFC power correction.
上述所述当外部电源通过同一个接口 PI接入到中央控制微处理器时， 交流 输入检测电路将对接口 Jl、 接口 J2、 接口 J 3和接口 N进行幅值和相位的检测， 当 检测判断结果为单相输入时将第三开关闭合， 由此接口 N的零线将引入到第一相 电感中， 当检测判断结果为三相输入时将第三开关断开， 由于接口 N的零线将不 再接入第一相电感中， 形成第一相电感、 第二相电感和第三相电感参与 PFC功率 校正， 从而实现单相和三相的不干涉输入， 共用一个接口 PI。  When the external power source is connected to the central control microprocessor through the same interface PI, the AC input detection circuit detects the amplitude and phase of the interface J1, the interface J2, the interface J 3 and the interface N, when detecting and judging The result is that the third switch is closed when the single-phase input is closed, so that the neutral line of the interface N will be introduced into the first phase inductance, and the third switch is turned off when the detection result is the three-phase input, due to the neutral line of the interface N. It will no longer be connected to the first phase inductor, forming the first phase inductor, the second phase inductor and the third phase inductor to participate in the PFC power correction, thereby achieving single-phase and three-phase non-interference inputs, sharing one interface PI.
上述所述的第一开关、 第二开关和第三开关都是继电器开关， 中央控制微 处理器通过驱动电路分别独立控制第一开关、 第二开关和第三开关。  The first switch, the second switch and the third switch described above are both relay switches, and the central control microprocessor independently controls the first switch, the second switch and the third switch respectively through the drive circuit.
上述所述的中央控制微处理器还检测母线电压、 母线电流、 电机转子位置、 电机绕组的相电流、 电机故障等数据。  The central control microprocessor described above also detects data such as bus voltage, bus current, motor rotor position, phase current of the motor winding, motor fault, and the like.
本发明与现有技术相比， 具有如下效果：  Compared with the prior art, the invention has the following effects:
1、 充电电池与双向 DC-DC变换器、 三相桥式 DC-AC双向变换器和电机依次 连接形成电机驱动回路， 交流电源输入接口装置、 三相桥式 DC-AC双向变换器、 双向 DC-DC变换器和充电电池依次连接形成电池充电回路， 中央控制微处理器 对双向 DC-DC变换器和三相桥式 DC-AC双向变换器进行控制， 利用驱动-充电模 式切换装置使电机驱动回路处于工作状态而电池充电回路关断， 或者使电机驱 动回路关断而电池充电回路处于工作状态。 这样一来， 釆用同一的双向 DC-DC 变换器、 三相桥式 DC-AC双向变换器实现充电控制和驱动控制， 简化电路结构， 减少电子元气件， 工作更可靠， 并且具有成本低、 重量轻、 体积小、 提高功率 因数。  1. The rechargeable battery and the bidirectional DC-DC converter, the three-phase bridge type DC-AC bidirectional converter and the motor are sequentially connected to form a motor drive circuit, an AC power input interface device, a three-phase bridge type DC-AC bidirectional converter, a bidirectional DC The DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, and drives the motor by using the drive-charge mode switching device. The circuit is in operation and the battery charging circuit is turned off, or the motor drive circuit is turned off and the battery charging circuit is in operation. In this way, the same bidirectional DC-DC converter and three-phase bridge DC-AC bidirectional converter are used to realize charging control and drive control, simplify circuit structure, reduce electronic components, work more reliably, and have low cost. Light weight, small size and improved power factor.
2、 充电电池与三相桥式 DC-AC双向变换器之间安装双向 DC-DC变换器， 双 向 DC-DC变换器在驱动模式下形成 boos t升压电路， 在充电模式下形成 buck降 压电路， 并且共用复用电感 L1 , 这样可以进一步简化电路结构， 减少电子元气 件，工作更可靠，并且具有成本低、重量轻、体积小，提高功率因数，双向 DC-DC 变换器釆用由 2个功率开关元件 T7、 Τ8组成单个桥臂结构， 既提升了电机*** 在驱动状态下的弱磁扩速能力和充电模式下的充电电压调节能力， 又大大降低 了器件用量及成本； 2. A bidirectional DC-DC converter is installed between the rechargeable battery and the three-phase bridge type DC-AC bidirectional converter, and the bidirectional DC-DC converter forms a boos t boost circuit in the driving mode, and buck is formed in the charging mode. Circuit, and shared multiplexed inductor L1, which can further simplify the circuit structure, reduce electronic components, work more reliably, and has low cost, light weight, small size, improved power factor, bidirectional DC-DC The inverter adopts a single bridge arm structure composed of two power switching elements T7 and Τ8, which not only improves the weak magnetic speed expansion capability of the motor system in the driving state and the charging voltage adjustment capability in the charging mode, but also greatly reduces the device usage. And cost;
3 )驱动 -充电模式切换装置包括第一开关 K1和第二开关 Κ2，三相桥式 DC-AC 双向变换器和电机之间有 3根连线， 第一开关 K1和第二开关 K2分别安装在一根连 线上以控制三相桥式 DC-AC双向变换器和电机的连接和断开， 在驱动模式下， 第一开关和第二开关都闭合， 在充电模式下， 第一开关和第二开关都断开， 控 制简单可靠， 零件数小。  3) The drive-charge mode switching device includes a first switch K1 and a second switch Κ2, and three connections between the three-phase bridge type DC-AC bidirectional converter and the motor, the first switch K1 and the second switch K2 are respectively installed In a connection line to control the connection and disconnection of the three-phase bridge type DC-AC bidirectional converter and the motor, in the driving mode, the first switch and the second switch are both closed, in the charging mode, the first switch and The second switch is disconnected, the control is simple and reliable, and the number of parts is small.
4 ) 实现了充电机***、 三相充电模式与单相充电模式的兼容与自适应； 在驱动模式下， 第一开关和第二开关都闭合， 在充电模式下， 第一开关和第二 开关都断开， 交流电源输入接口装置兼容单相充电和三相充电， 交流电源输入 接口连接有交流输入检测电路， 交流输入检测电路将检测信号传送到中央控制 微处理器， 中央控制微处理器启动单相充电模式和三相充电模式去控制双向 DC-DC变换器、 三相桥式 DC-AC双向变换器， 当中央控制微处理器启动单相充 电模式， 闭合第三开关， 接口 A、 接口 B有输入， 利用三相 PFC电感中的第二相 电感和第三相电感参与 PFC功率校正； 当中央控制微处理器启动三相充电模式， 断开第三开关， 利用第一相电感、 第二相电感和第三相电感参与 PFC功率校正。 因此实用简单方便， 兼容性强， 同时三相 PFC电感的在单相和三相充电模式的 复用， 简化电路结构， 减少电子元气件， 工作更可靠， 并且具有成本低、 重量 轻、 体积小、 提高功率因数。  4) Compatible and adaptive to the charger system, the three-phase charging mode and the single-phase charging mode; in the driving mode, the first switch and the second switch are both closed, in the charging mode, the first switch and the second switch Disconnected, AC power input interface device is compatible with single-phase charging and three-phase charging, AC power input interface is connected with AC input detection circuit, AC input detection circuit transmits detection signal to central control microprocessor, central control microprocessor starts Single-phase charging mode and three-phase charging mode to control bidirectional DC-DC converter, three-phase bridge DC-AC bidirectional converter, when the central control microprocessor starts single-phase charging mode, closes the third switch, interface A, interface B has input, using the second phase inductance and the third phase inductance of the three-phase PFC inductor to participate in the PFC power correction; when the central control microprocessor starts the three-phase charging mode, the third switch is turned off, using the first phase inductance, the first The two-phase inductor and the third-phase inductor participate in the PFC power correction. Therefore, it is practical and simple, and has strong compatibility. At the same time, the three-phase PFC inductor is multiplexed in the single-phase and three-phase charging modes, simplifies the circuit structure, reduces the electronic components, and is more reliable, and has low cost, light weight and small size. , improve the power factor.
5 )本发明的交流电源输入接口装置输入的交流电经过三相桥式 DC-AC双向变 换器进行高频 PWM整流得到的直流母线电压， 省却交流输入整流装置的同时， 还 实现了高功率因数；  5) The AC power input by the AC power input interface device of the present invention is subjected to high-frequency PWM rectification by a three-phase bridge type DC-AC bidirectional converter, and the AC input rectifying device is omitted, and a high power factor is realized;
6 )本发明的利用第一开关 K1和第二开关 K2控制电机的通断电， 除去了传统 控制方案的复用电机电感所带来的复杂锁止控制， 使本发明的整个***控制策 略比较简单； 7、 成本低廉， 本发明额外增加的成本不超过原有 3. 3KW车载充电机的成本。 附图说明： 6) The first switch K1 and the second switch K2 of the present invention control the on/off of the motor, and the complex lock control brought by the multiplexed motor inductance of the conventional control scheme is removed, so that the overall system control strategy of the present invention is compared. simple; 7. The cost is low, and the additional cost of the present invention does not exceed the cost of the original 3. 3KW vehicle charger. BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本发明的电路原理方框图。  BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram showing the circuit principle of the present invention.
图 2 是图 1对应的局部电气原理图。  Figure 2 is a partial electrical schematic diagram corresponding to Figure 1.
图 3是本发明双向 DC-DC变换器工作在驱动模式下的等效电路图。  Figure 3 is an equivalent circuit diagram of the bidirectional DC-DC converter of the present invention operating in a drive mode.
图 4是本发明三相桥式 DC-AC双向变换器在三相充电模式的等效电路图。 图 5是发明双向 DC-DC变换器工作在充电模式下的等效电路图。  Figure 4 is an equivalent circuit diagram of the three-phase bridge type DC-AC bidirectional converter of the present invention in a three-phase charging mode. Figure 5 is an equivalent circuit diagram of the inventive bidirectional DC-DC converter operating in a charging mode.
图 6是本发明三相桥式 DC-AC双向变换器在单相充电模式的等效电路图。 具体实施方式：  Fig. 6 is an equivalent circuit diagram of the three-phase bridge type DC-AC bidirectional converter of the present invention in a single-phase charging mode. detailed description:
下面通过具体实施例并结合附图对本发明作进一步详细的描述。  The present invention will now be described in further detail by way of specific embodiments and the accompanying drawings.
如图 1至图 2所示， 本发明是集成驱动及充放电功能的电机控制器，它包 括双向 DC-DC变换器、 三相桥式 DC-AC双向变换器、 驱动-充电模式切换装置、 交流电源输入接口装置和中央控制微处理器， 其中充电电池与双向 DC-DC变换 器、 三相桥式 DC-AC双向变换器和电机依次连接形成电机驱动回路， 交流电源 输入接口装置、 三相桥式 DC-AC双向变换器、 双向 DC-DC变换器和充电电池依 次连接形成电池充电回路， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC双向变换器进行控制， 利用驱动 -充电模式切换装置使电机驱动回路处于 工作状态而电池充电回路关断， 或者使电机驱动回路关断而电池充电回路处于 工作状态。  As shown in FIG. 1 to FIG. 2, the present invention is a motor controller with integrated driving and charging and discharging functions, which comprises a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter, a driving-charging mode switching device, The AC power input interface device and the central control microprocessor, wherein the rechargeable battery and the bidirectional DC-DC converter, the three-phase bridge DC-AC bidirectional converter and the motor are sequentially connected to form a motor drive circuit, an AC power input interface device, and a three-phase The bridge type DC-AC bidirectional converter, the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge type DC-AC bidirectional converter. The drive-charge mode switching device is used to make the motor drive circuit in operation and the battery charging circuit is turned off, or the motor drive circuit is turned off and the battery charging circuit is in operation.
上述所述的双向 DC-DC变换器在驱动模式下形成 boos t升压电路， 在充电 模式下形成 buck降压电路。  The bidirectional DC-DC converter described above forms a boos t boost circuit in the drive mode, and forms a buck step-down circuit in the charge mode.
上述所述的双向 DC-DC变换器包括第七开关管 T7、 第七二级管 D7、 第八开 关管 T8、 第八二级管 D8、 复用电感 L1和电容 C1 , 第七开关管 T7的发射极与第 八开关管 T8集电极连接组合形成一个单桥壁结构， 复用电感 L1的一端连接在 第七开关管 T7的发射极与第八开关管 T8集电极之间， 第七开关管 T7的集电极 与第八开关管 T8发射极之间连接电容 C1 , 复用电感 L1的另一端与充电电池正 极连接， 充电电池负极连接第八开关管 T8发射极， 第七开关管 Τ7和第八开关 管 Τ8的控制端与中央控制微处理器的输出端连接。 The bidirectional DC-DC converter described above includes a seventh switch tube T7, a seventh diode D7, an eighth switch tube T8, an eighth diode D8, a multiplex inductor L1 and a capacitor C1, and a seventh switch tube T7. The emitter is combined with the collector of the eighth switch tube T8 to form a single bridge wall structure. One end of the multiplex inductor L1 is connected between the emitter of the seventh switch tube T7 and the collector of the eighth switch tube T8, and the seventh switch A capacitor C1 is connected between the collector of the tube T7 and the emitter of the eighth switch tube T8, and the other end of the multiplexed inductor L1 is positive with the rechargeable battery. The pole is connected, the negative pole of the rechargeable battery is connected to the emitter of the eighth switch tube T8, and the control end of the seventh switch tube Τ7 and the eighth switch tube Τ8 is connected with the output end of the central control microprocessor.
上述所述的驱动 -充电模式切换装置包括第一开关 K1和第二开关 Κ2，三相桥 式 DC-AC双向变换器和电机之间有 3根连线， 第一开关 K1和第二开关 K2分别 安装在一根连线上以控制三相桥式 DC-AC双向变换器和电机的连接和断开， 在 驱动模式下， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC双向变 换器进行控制， 第一开关 K1和第二开关 K2都闭合， 车载高压充电电池经双向 DC-DC变换器升压对直流母线电压进行稳压，三相桥式 DC-AC双向变换器工作在 逆变状态， 将直流 DC变化成交流 AC供电给电机； 在充电模式下， 中央控制微 处理器对双向 DC-DC变换器和三相桥式 DC-AC双向变换器进行控制， 第一开关 K1和第二开关 K2都断开， 三相桥式 DC-AC双向变换器工作在整流状态， 交流电 源输入接口装置输入的交流电经过三相桥式 DC-AC双向变换器进行高频 PWM整 流得到的直流母线电压， 并通过后级双向 DC-DC变换器进行降压限流对车载高 压充电电池进行快充或者慢充。  The above-described drive-charge mode switching device includes a first switch K1 and a second switch Κ2, and three connections between the three-phase bridge type DC-AC bidirectional converter and the motor, the first switch K1 and the second switch K2 They are installed on a wire to control the connection and disconnection of the three-phase bridge DC-AC bidirectional converter and the motor. In the drive mode, the central control microprocessor pairs the bidirectional DC-DC converter and the three-phase bridge. The DC-AC bidirectional converter performs control, the first switch K1 and the second switch K2 are both closed, and the on-board high-voltage rechargeable battery is boosted by the bidirectional DC-DC converter to regulate the DC bus voltage, and the three-phase bridge type DC-AC bidirectional The converter operates in an inverter state, and changes the DC DC to AC AC to the motor. In the charging mode, the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter. The first switch K1 and the second switch K2 are both disconnected, the three-phase bridge type DC-AC bidirectional converter operates in a rectified state, and the alternating current input from the AC power input interface device passes through the three-phase bridge type DC-AC bidirectional converter for high frequency. PWM rectification The obtained DC bus voltage is fast-charged or slow-charged by the high-voltage rechargeable battery of the vehicle through the step-down bidirectional DC-DC converter.
上述所述在电池充电回路中， 交流电源输入接口装置与三相桥式 DC-AC双 向变换器之间连接三相 PFC电感， 三相 PFC电感包括第一相电感 L2、 第二相电 感 L3和第三相电感 L4。  In the battery charging circuit, the three-phase PFC inductor is connected between the AC power input interface device and the three-phase bridge DC-AC bidirectional converter, and the three-phase PFC inductor includes a first phase inductor L2, a second phase inductor L3, and The third phase inductance L4.
上述所述的交流电源输入接口装置兼容单相充电和三相充电， 交流电源输 入接口连接有交流输入检测电路， 交流输入检测电路将检测信号传送到中央控 制微处理器， 中央控制微处理器启动单相充电模式和三相充电模式去控制双向 DC-DC变换器、 三相桥式 DC-AC双向变换器。  The AC power input interface device described above is compatible with single-phase charging and three-phase charging, and the AC power input interface is connected with an AC input detecting circuit, and the AC input detecting circuit transmits the detection signal to the central control microprocessor, and the central control microprocessor starts. The single-phase charging mode and the three-phase charging mode control the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter.
上述所述的交流电源输入接口装置兼容单相充电和三相充电并釆用统一接 口 PI , 具有接 P A、 接口 B、 接口 C和接口 N和第三开关 K3 , 第三开关 K3的两 端分别连接接口 N和接口 A。  The AC power input interface device described above is compatible with single-phase charging and three-phase charging and adopts a unified interface PI, and has a connection with the PA, the interface B, the interface C, the interface N and the third switch K3, and the two ends of the third switch K3 respectively Connect interface N and interface A.
上述当中央控制微处理器启动单相充电模式， 闭合第三开关 K3 , 接口 A、 接口 B有输入，利用三相 PFC电感中的第二相电感 L3和第三相电感 L4参与 PFC 功率校正； 当中央控制微处理器启动三相充电模式， 断开第三开关 K3 , 利用第 一相电感 L2、 第二相电感 L3和第三相电感 L4参与 PFC功率校正。 When the central control microprocessor starts the single-phase charging mode, the third switch K3 is closed, the interface A and the interface B have inputs, and the second phase inductance L3 and the third phase inductance L4 of the three-phase PFC inductor are used to participate in the PFC. Power correction; When the central control microprocessor starts the three-phase charging mode, the third switch K3 is turned off, and the PFC power correction is participated by the first phase inductance L2, the second phase inductance L3, and the third phase inductance L4.
当外部电源通过同一个接口 PI接入到中央控制微处理器时， 交流输入检测 电路将对接口 Jl、 接口 J2、 接口 J 3和接口 N进行幅值和相位的检测， 当检测判断 结果为单相输入时将第三 K3开关闭合， 由此接口 N的零线将引入到第一相电感 L2 中， 当检测判断结果为三相输入时将第三开关 K3断开， 由于接口 N的零线将不再 接入第一相电感 L2中， 形成第一相电感 L2、 第二相电感 L3和第三相电感 L4参与 PFC功率校正， 从而实现单相和三相的不干涉输入， 共用一个接口 PI。  When the external power supply is connected to the central control microprocessor through the same interface PI, the AC input detection circuit will detect the amplitude and phase of the interface J1, the interface J2, the interface J 3 and the interface N, and the detection result is a single When the phase is input, the third K3 switch is closed, so that the neutral line of the interface N will be introduced into the first phase inductor L2, and when the detection result is the three-phase input, the third switch K3 is disconnected, due to the neutral line of the interface N. Will not be connected to the first phase inductor L2, forming the first phase inductor L2, the second phase inductor L3 and the third phase inductor L4 to participate in the PFC power correction, thereby achieving single-phase and three-phase non-interference input, sharing one interface PI.
上述所述的第一开关 Kl、 第二开关 Κ2和第三开关 Κ3都是继电器开关， 中 央控制微处理器通过驱动电路分别独立控制第一开关 Kl、第二开关 Κ2和第三开 关 Κ3。  The first switch K1, the second switch Κ2 and the third switch Κ3 described above are all relay switches, and the central control microprocessor independently controls the first switch K1, the second switch Κ2 and the third switch Κ3 through the drive circuit.
上述所述的中央控制微处理器还检测母线电压、 母线电流、 电机转子位置、 电机绕组的相电流数据。  The central control microprocessor described above also detects bus voltage, bus current, motor rotor position, and phase current data of the motor windings.
三相桥式 DC-AC双向变换器包括开关管 Tl、 开关管 Τ2、 开关管 Τ3、 开关管 Τ4、 开关管 Τ5、 开关管 Τ6、 二级管 Dl、 二级管 D2、 二级管 D3、 二级管 D4、 二 级管 D5、 二级管 D6; 上述零件组合成 3个桥臂， 开关管 Tl、 开关管 Τ2、 开关 管 Τ3、 开关管 Τ4、 开关管 Τ5、 开关管 Τ6的控制端由中央控制微处理器。  The three-phase bridge type DC-AC bidirectional converter comprises a switch tube T1, a switch tube Τ2, a switch tube Τ3, a switch tube Τ4, a switch tube Τ5, a switch tube Τ6, a diode tube Dl, a diode tube D2, a diode tube D3, Diode D4, diode D5, diode D6; the above parts are combined into three bridge arms, switch tube Tl, switch tube Τ2, switch tube Τ3, switch tube Τ4, switch tube Τ5, switch tube Τ6 control end The microprocessor is controlled by the central control unit.
本发明的工作原理如下： 本发明的集成电机控制器可以利用同一套装置实 现驱动、 充电和制动功能。  The principle of operation of the present invention is as follows: The integrated motor controller of the present invention can utilize the same set of devices to implement drive, charge and brake functions.
在电机驱动模式下，ΚΙ和 Κ2闭合，Κ3为常态断开，充电电池 Ε与双向 DC-DC 变换器、 三相桥式 DC-AC双向变换器和电机依次连接形成电机驱动回路， 如图 3 所示实线部分组成， 此时电路可以看成是由复用电感 Ll、 开关管 T8、 开关管 Τ7 的反并联二极管 D7及输出侧电容 C组成的 Boos t升压电路， 由中央控制微处理 器使开关管 T7处于常开状态， 此时充电电池 E通过复用电感 L1进行储能， 电 容 C向负载提供能量， T7的反并联二极管 D7处于反偏状态； 当开关管 T8关断 时， 此时复用电感 L1储存的能量与电池能量叠加一起向负载侧提供能量， 并补 充电容 C上在 T8导通时损耗掉的能量， 由于复用电感 L1具有电压泵生的作用， 使输出侧电压大于充电电池 Ε电压， 实现了升压的功能。 通过控制开关管 Τ8的 占空比， 即可对直流母线电压进行调节， 可以提升电机***在驱动状态下的弱 磁扩速能力。 在电机驱动模式下， 三相桥式 DC-AC双向变换器在中央控制微处 理器控制下工作在逆变状态， 将直流 DC变化成交流 AC供电给汽车电机^ In the motor drive mode, ΚΙ and Κ2 are closed, Κ3 is normally disconnected, and the rechargeable battery Ε is connected with the bidirectional DC-DC converter, the three-phase bridge type DC-AC bidirectional converter and the motor to form a motor drive circuit, as shown in Fig. 3. The solid line part is composed. At this time, the circuit can be regarded as a Boos t boost circuit composed of the multiplexing inductor L1, the switching transistor T8, the anti-parallel diode D7 of the switching transistor Τ7, and the output side capacitor C, which is controlled by the central control micro-processing. The switch tube T7 is in a normally open state, at this time, the rechargeable battery E stores energy through the multiplexing inductor L1, the capacitor C supplies energy to the load, and the anti-parallel diode D7 of the T7 is in a reverse bias state; when the switch tube T8 is turned off, At this time, the energy stored in the multiplexed inductor L1 is superimposed with the battery energy to supply energy to the load side, and supplement The energy lost on the charging capacitor C when T8 is turned on, because the multiplexed inductor L1 has the function of voltage pumping, so that the output side voltage is greater than the charging battery Ε voltage, and the boosting function is realized. By controlling the duty cycle of the switch tube ,8, the DC bus voltage can be adjusted, which can improve the weak magnetic speed expansion capability of the motor system under the driving state. In the motor drive mode, the three-phase bridge type DC-AC bidirectional converter operates in the inverter state under the control of the central control microprocessor, and changes the DC DC into AC AC power supply to the motor motor ^
在充电模式下： K1和 K2断开， K 3为常态断开， 交流输入检测电路将检测 信号传送到中央控制微处理器， 交流输入检测电路将对接口 Π、 接口 J 2、 接口 J 3和接口 N进行幅值和相位的检测， 当检测判断结果为单相输入时将第三 K 3开 关闭合， 由此接口 N的零线将引入到第一相电感 L2中， 当检测判断结果为三相 输入时将第三开关 K 3断开， 由于接口 N的零线将不再接入第一相电感 L2中， 形成第一相电感 L2、 第二相电感 L 3和第三相电感 L4参与 PFC功率校正， 从而 实现单相和三相的不干涉输入， 共用一个接口 P l。  In the charging mode: K1 and K2 are disconnected, K3 is normally disconnected, the AC input detection circuit transmits the detection signal to the central control microprocessor, and the AC input detection circuit will be connected to interface Π, interface J 2, interface J 3 and The interface N performs amplitude and phase detection. When the detection result is a single-phase input, the third K 3 switch is closed, and the zero line of the interface N is introduced into the first phase inductor L2, and the detection result is three. When the phase is input, the third switch K3 is disconnected, since the neutral line of the interface N will no longer be connected to the first phase inductor L2, forming the first phase inductor L2, the second phase inductor L3 and the third phase inductor L4. The PFC power is corrected to achieve single-phase and three-phase non-interference inputs, sharing one interface P l .
在三相充电模下： 交流电源输入接口装置、 三相桥式 DC-AC双向变换器、 双向 DC-DC变换器和充电电池依次连接形成电池充电回路， 断开第三开关 K 3 , 外界三相交流电源利用第一相电感 L2、第二相电感 L 3和第三相电感 L4参与 PFC 功率校正， 三相桥式 DC-AC双向变换器在中央控制微处理器控制下工作在三相 桥式 P醫整流， 其等效电路如图 4所示。  Under the three-phase charging mode: the AC power input interface device, the three-phase bridge DC-AC bidirectional converter, the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the third switch K 3 is disconnected, and the external three The phase AC power source utilizes the first phase inductor L2, the second phase inductor L3, and the third phase inductor L4 to participate in the PFC power correction. The three-phase bridge type DC-AC bidirectional converter operates under the control of the central control microprocessor on the three-phase bridge. The P circuit is rectified, and its equivalent circuit is shown in Figure 4.
在充电模式下， 双向 DC-DC变换器的等效电路如图 5 中实线部分组成， 此 时电路可以看成是由复用电感 Ll、 开关管 T7、 开关管 Τ8的反并联二极管 D8组 成的 Buck降压电路， 此时开关管 T8处于常开状态， 此时， 复用电感 L1的功能 是降压滤波电感， 开关管 T8反并联二极管 D8为电流提供续流回路， 通过对开 关管 T7占空比的控制，可以将直流母线电压 Udc变换为充电电池 E的充电电压， 并且具有良好的充电电压调节能力， 实现恒流或恒压的控制目标， 从而满足电 池的充电需求。  In the charging mode, the equivalent circuit of the bidirectional DC-DC converter is composed of the solid line part of Fig. 5. At this time, the circuit can be regarded as composed of the anti-parallel diode D8 of the multiplexing inductor L1, the switching transistor T7, and the switching transistor Τ8. The Buck step-down circuit, at this time, the switch tube T8 is in a normally open state. At this time, the function of the multiplexed inductor L1 is a step-down filter inductor, and the switch tube T8 is connected in parallel with the diode D8 to provide a freewheeling circuit for the current, through the switch tube T7. The duty cycle control can convert the DC bus voltage Udc into the charging voltage of the rechargeable battery E, and has a good charging voltage adjustment capability to achieve a constant current or constant voltage control target, thereby meeting the charging demand of the battery.
在单相充电模下： 交流电源输入接口装置、 三相桥式 DC-AC双向变换器、 双向 DC-DC变换器和充电电池依次连接形成电池充电回路， 闭合第三开关 K 3 , 外界三相交流电源利用第二相电感 L3或者第三相电感 L4参与 PFC功率校正， 三相桥式 DC-AC双向变换器在中央控制微处理器控制下工作在三相桥式 P醫整 流， 其等效电路如图 6所示， 中央控制微处理器控制下只有开关管 T3、 开关管 Τ4、 开关管 Τ5、 开关管 Τ6、 二级管 D3、 二级管 D4、 二级管 D5、 二级管 D6参与 工作， 形成 2个桥臂。 In the single-phase charging mode: the AC power input interface device, the three-phase bridge DC-AC bidirectional converter, the bidirectional DC-DC converter and the rechargeable battery are sequentially connected to form a battery charging circuit, and the third switch K 3 is closed. The external three-phase AC power supply uses the second phase inductance L3 or the third phase inductance L4 to participate in the PFC power correction, and the three-phase bridge type DC-AC bidirectional converter operates under the control of the central control microprocessor in the three-phase bridge type P medical rectification. The equivalent circuit is shown in Figure 6. Under the control of the central control microprocessor, only the switch tube T3, the switch tube Τ4, the switch tube Τ5, the switch tube Τ6, the diode D3, the diode D4, the diode D5, the second The tube D6 is involved in the work, forming two bridge arms.

Claims

权利要求 Rights request
1、 集成驱动及充放电功能的电机控制器，其特征在于： 它包括双向 DC-DC 变换器、 三相桥式 DC-AC双向变换器、 驱动-充电模式切换装置、 交流电源输入 接口装置和中央控制微处理器， 其中充电电池与双向 DC-DC变换器、 三相桥式 DC-AC双向变换器和电机依次连接形成电机驱动回路， 交流电源输入接口装置、 三相桥式 DC-AC双向变换器、 双向 DC-DC变换器和充电电池依次连接形成电池 充电回路， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC双向变换 器进行控制， 利用驱动-充电模式切换装置使电机驱动回路处于工作状态而电池 充电回路关断， 或者使电机驱动回路关断而电池充电回路处于工作状态。 1. A motor controller with integrated driving and charging and discharging functions, characterized by: It includes a bidirectional DC-DC converter, a three-phase bridge DC-AC bidirectional converter, a driving-charging mode switching device, an AC power input interface device and Central control microprocessor, in which the rechargeable battery is connected to the bidirectional DC-DC converter, the three-phase bridge DC-AC bidirectional converter and the motor in sequence to form a motor drive circuit, the AC power input interface device, the three-phase bridge DC-AC bidirectional The converter, bidirectional DC-DC converter and rechargeable battery are connected in sequence to form a battery charging circuit. The central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter, using the drive-charging mode. The switching device causes the motor drive circuit to be in the working state and the battery charging circuit to be turned off, or the motor driving circuit to be turned off and the battery charging circuit to be in the working state.
2、 根据权利要求 1所述的集成驱动及充放电功能的电机控制器，其特征在 于： 双向 DC-DC变换器在驱动模式下形成 boos t升压电路， 在充电模式下形成 buck降压电路。 2. The motor controller with integrated driving and charging and discharging functions according to claim 1, characterized in that: the bidirectional DC-DC converter forms a boost circuit in the driving mode and a buck circuit in the charging mode. .
3、 根据权利要求 1所述的集成驱动及充放电功能的电机控制器，其特征在 于： 双向 DC-DC变换器包括第七开关管 （T7 )、 第七二级管 （D7 )、 第八开关管 3. The motor controller with integrated driving and charging and discharging functions according to claim 1, characterized in that: the bidirectional DC-DC converter includes a seventh switching tube (T7), a seventh diode (D7), an eighth turning tube
( T8 )、 第八二级管 （D8 )、 复用电感 （L1 )和电容（C1 ), 第七开关管 （T7 ) 的 发射极与第八开关管（ T8 )集电极连接组合形成一个单桥壁结构，复用电感（ L1 ) 的一端连接在第七开关管 （T7 ) 的发射极与第八开关管 （T8 )集电极之间， 第 七开关管 （T7 ) 的集电极与第八开关管 （T8 )发射极之间连接电容（C1 ), 复用 电感 （L1 ) 的另一端与充电电池正极连接， 充电电池负极连接第八开关管 （T8 ) 发射极， 第七开关管 （ T7 )和第八开关管 （ T8 ) 的控制端与中央控制微处理器 的输出端连接。 (T8), the eighth diode (D8), the multiplexed inductor (L1) and the capacitor (C1), the emitter of the seventh switching tube (T7) and the collector of the eighth switching tube (T8) are connected and combined to form a single Bridge wall structure, one end of the multiplexed inductor (L1) is connected between the emitter of the seventh switching tube (T7) and the collector of the eighth switching tube (T8), and the collector of the seventh switching tube (T7) and the eighth switching tube (T8) The capacitor (C1) is connected between the emitter of the switch tube (T8), the other end of the multiplexed inductor (L1) is connected to the positive electrode of the rechargeable battery, the negative electrode of the rechargeable battery is connected to the emitter of the eighth switch tube (T8), and the seventh switch tube (T7 ) and the control end of the eighth switch tube (T8) are connected to the output end of the central control microprocessor.
4、 根据权利要求 1、 2或 3所述的集成驱动及充放电功能的电机控制器，其 特征在于： 驱动 -充电模式切换装置包括第一开关 K1和第二开关 K2，三相桥式 DC-AC双向变换器和电机之间有 3根连线，第一开关 K1和第二开关 K2分别安装 在一根连线上以控制三相桥式 DC-AC双向变换器和电机的连接和断开； 4. The motor controller with integrated driving and charging and discharging functions according to claim 1, 2 or 3, characterized in that: the driving-charging mode switching device includes a first switch K1 and a second switch K2, and a three-phase bridge DC -There are three connections between the AC bidirectional converter and the motor. The first switch K1 and the second switch K2 are installed on one connection wire respectively to control the connection and disconnection of the three-phase bridge DC-AC bidirectional converter and the motor. open;
在驱动模式下， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC双 向变换器进行控制， 第一开关 K1和第二开关 K2都闭合， 车载高压充电电池经 双向 DC-DC变换器升压对直流母线电压进行稳压， 三相桥式 DC-AC双向变换器 工作在逆变状态， 将直流 DC变化成交流 AC供电给电机； In drive mode, the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC dual To control the converter, the first switch K1 and the second switch K2 are both closed, the vehicle high-voltage rechargeable battery is boosted by the bidirectional DC-DC converter to stabilize the DC bus voltage, and the three-phase bridge DC-AC bidirectional converter works. In the inverter state, DC is converted into AC to supply power to the motor;
在充电模式下， 中央控制微处理器对双向 DC-DC变换器和三相桥式 DC-AC 双向变换器进行控制， 第一开关 K1和第二开关 K2都断开， 三相桥式 DC-AC双 向变换器工作在整流状态， 交流电源输入接口装置输入的交流电经过三相桥式 DC-AC双向变换器进行高频 PWM整流得到的直流母线电压， 并通过后级双向 DC-DC变换器进行降压限流对车载高压充电电池进行快充或者慢充。 In the charging mode, the central control microprocessor controls the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter. The first switch K1 and the second switch K2 are both turned off, and the three-phase bridge DC-AC converter is turned off. The AC bidirectional converter works in the rectification state. The AC power input by the AC power input interface device undergoes high-frequency PWM rectification by the three-phase bridge DC-AC bidirectional converter to obtain the DC bus voltage, and is processed by the subsequent bidirectional DC-DC converter. Voltage reduction and current limiting are used to fast charge or slow charge the vehicle's high-voltage rechargeable battery.
5、 根据权利要求 4所述的集成驱动及充放电功能的电机控制器，其特征在 于： 在电池充电回路中， 交流电源输入接口装置与三相桥式 DC-AC双向变换器 之间连接三相 PFC电感， 三相 PFC电感包括第一相电感（L2 )、 第二相电感（L3 ) 和第三相电感 （L4 )。 5. The motor controller with integrated driving and charging and discharging functions according to claim 4, characterized in that: in the battery charging circuit, the AC power input interface device is connected to the three-phase bridge DC-AC bidirectional converter. Phase PFC inductor, the three-phase PFC inductor includes the first phase inductor (L2), the second phase inductor (L3) and the third phase inductor (L4).
6、 根据权利要求 5所述的集成驱动及充放电功能的电机控制器，其特征在 于： 交流电源输入接口装置兼容单相充电和三相充电， 交流电源输入接口连接 有交流输入检测电路， 交流输入检测电路将检测信号传送到中央控制微处理器， 中央控制微处理器启动单相充电模式和三相充电模式去控制双向 DC-DC变换器、 三相桥式 DC-AC双向变换器。 6. The motor controller with integrated driving and charging and discharging functions according to claim 5, characterized in that: the AC power input interface device is compatible with single-phase charging and three-phase charging, and the AC power input interface is connected with an AC input detection circuit. The input detection circuit transmits the detection signal to the central control microprocessor, and the central control microprocessor starts the single-phase charging mode and the three-phase charging mode to control the bidirectional DC-DC converter and the three-phase bridge DC-AC bidirectional converter.
7、 根据权利要求 6所述的集成驱动及充放电功能的电机控制器，其特征在 于： 交流电源输入接口装置兼容单相充电和三相充电并釆用统一接口 PI , 具有 接口 A、 接口 B、 接口 C和接口 N和第三开关 K3 , 第三开关 K3的两端分别连接 接口 N和接口 A。 7. The motor controller with integrated driving and charging and discharging functions according to claim 6, characterized in that: the AC power input interface device is compatible with single-phase charging and three-phase charging and uses a unified interface PI, and has interface A and interface B. , interface C, interface N and the third switch K3. Both ends of the third switch K3 are connected to the interface N and the interface A respectively.
8、 根据权利要求 6所述的集成驱动及充放电功能的电机控制器，其特征在 于： 当中央控制微处理器启动单相充电模式， 闭合第三开关 K3 , 接口 A、 接口 B 有输入， 利用三相 PFC电感中的第二相电感（L3 )和第三相电感（L 参与 PFC 功率校正； 当中央控制微处理器启动三相充电模式， 断开第三开关 K3 , 利用第 一相电感 （U )、 第二相电感 （L3 )和第三相电感 （L 参与 PFC功率校正。 8. The motor controller with integrated driving and charging and discharging functions according to claim 6, characterized in that: when the central control microprocessor starts the single-phase charging mode, the third switch K3 is closed, and there are inputs to interface A and interface B, The second phase inductor (L3) and the third phase inductor (L) of the three-phase PFC inductor are used to participate in the PFC power correction; when the central control microprocessor starts the three-phase charging mode, the third switch K3 is turned off, and the first phase inductor is used. (U), the second phase inductor (L 3 ) and the third phase inductor (L) participate in PFC power correction.
9、 根据权利要求 8所述的集成驱动及充放电功能的电机控制器，其特征在 于： 当外部电源通过同一个接口 PI接入到中央控制微处理器时， 交流输入检测 电路将对接口 Jl、 接口 J2、 接口 J 3和接口 N进行幅值和相位的检测， 当检测判断 结果为单相输入时将第三 K3开关闭合， 由此接口 N的零线将引入到第一相电感9. The motor controller with integrated driving and charging and discharging functions according to claim 8, characterized in that: when the external power supply is connected to the central control microprocessor through the same interface PI, the AC input detection circuit will connect to the interface J1 , interface J2, interface J3 and interface N perform amplitude and phase detection. When the detection result is a single-phase input, the third K3 switch is closed, so that the neutral line of interface N will be introduced to the first phase inductor.
( L2 ) 中， 当检测判断结果为三相输入时将第三开关 K3断开， 由于接口 N的零线 将不再接入第一相电感 （L2 ) 中， 形成第一相电感 （U ) 、 第二相电感 （L3 ) 和第三相电感 （L4 )参与 PFC功率校正， 从而实现单相和三相的不干涉输入， 共用一个接口 PI。 (L2), when the detection and judgment result is a three-phase input, the third switch K3 is turned off. Since the neutral line of the interface N will no longer be connected to the first phase inductor ( L2 ), the first phase inductor (U ), the second phase inductor (L3) and the third phase inductor (L4) participate in PFC power correction, thereby achieving single-phase and three-phase non-interference input, sharing the same interface PI.
10、 根据权利要求 9所述的集成驱动及充放电功能的电机控制器，其特征在 于： 第一开关 Kl、 第二开关 Κ2和第三开关 Κ3都是继电器开关， 中央控制微处 理器通过驱动电路分别独立控制第一开关 Kl、 第二开关 Κ2和第三开关 Κ3。 10. The motor controller with integrated driving and charging and discharging functions according to claim 9, characterized in that: the first switch K1, the second switch K2 and the third switch K3 are all relay switches, and the central control microprocessor drives the The circuit independently controls the first switch K1, the second switch K2 and the third switch K3 respectively.
11、 根据根据权利要求 9所述的集成驱动及充放电功能的电机控制器，其特 征在于： 中央控制微处理器还检测母线电压、 母线电流、 电机转子位置、 电机 绕组的相电流数据。 11. The motor controller with integrated driving and charging and discharging functions according to claim 9, characterized in that: the central control microprocessor also detects bus voltage, bus current, motor rotor position, and phase current data of the motor winding.
PCT/CN2014/070474 2013-12-27 2014-01-10 Motor controller integrated with drive, charging and discharging functions WO2015096224A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310741241.7A CN103684202B (en) 2013-12-27 2013-12-27 Integrated driving and the electric machine controller of charging/discharging function
CN201310741241.7 2013-12-27

Publications (1)

Publication Number Publication Date
WO2015096224A1 true WO2015096224A1 (en) 2015-07-02

Family

ID=50320730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/070474 WO2015096224A1 (en) 2013-12-27 2014-01-10 Motor controller integrated with drive, charging and discharging functions

Country Status (2)

Country Link
CN (1) CN103684202B (en)
WO (1) WO2015096224A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112622658A (en) * 2019-10-08 2021-04-09 现代自动车株式会社 Battery charger for electric vehicle

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103929087A (en) * 2014-04-01 2014-07-16 陕西科技大学 High-efficiency high-power-factor two-way AC/DC converter
CN104943562B (en) * 2015-06-30 2017-01-18 郑州日产汽车有限公司 Automobile grade permanent magnet synchronous motor controller suitable for electric automobile
CN104917412A (en) * 2015-07-17 2015-09-16 东南大学 Single stage power factor correction phase-shift full bridge topology circuit
CN107508486A (en) * 2016-06-13 2017-12-22 中兴通讯股份有限公司 A kind of electric machine controller, electric machine control system and electric automobile
CN106253722A (en) * 2016-08-05 2016-12-21 广东亿鼎新能源汽车有限公司 Vehicle-mounted discharge and recharge inversion system
CN106452279B (en) * 2016-09-21 2018-10-30 渤海大学 The driving motor for electric automobile controller and control method of integrated charge function
CN110070983B (en) * 2018-01-22 2022-02-15 广汽埃安新能源汽车有限公司 Magnetic integrated inductor for energy conversion system and energy conversion system
CN108258906A (en) * 2018-03-22 2018-07-06 深圳市大地和电气股份有限公司 Electric vehicle integrated driving system
CN108202642A (en) * 2018-03-22 2018-06-26 深圳市大地和电气股份有限公司 Electric vehicle integrated driving system based on two-way inversion charge and discharge
CN110406406A (en) * 2018-04-26 2019-11-05 比亚迪股份有限公司 Vehicular charger and electric vehicle
CN111193437B (en) * 2018-11-15 2022-04-12 北京自动化控制设备研究所 Ultrasonic motor LC resonance matching circuit with feedback loop
DE102018222381A1 (en) * 2018-12-20 2020-06-25 Robert Bosch Gmbh Battery operated device with electromechanical interface for an exchangeable drive unit
CN109606156A (en) * 2018-12-28 2019-04-12 深圳电擎科技有限公司 A kind of new-energy automobile and its motor driven and battery charger
CN109510490A (en) * 2018-12-29 2019-03-22 河南锂想动力科技有限公司 A kind of Multi-function ac/dc power-supply system
CN109649184A (en) * 2019-01-18 2019-04-19 上海熠动动力科技有限公司 A kind of multi-function motor controller circuitry, controller and its automobile
CN111434513B (en) 2019-06-30 2021-02-23 比亚迪股份有限公司 Vehicle and energy conversion device and power system thereof
CN112224042B (en) * 2019-06-30 2022-04-15 比亚迪股份有限公司 Energy conversion device and vehicle
CN111434512B (en) 2019-06-30 2021-01-01 比亚迪股份有限公司 Energy conversion device, power system and vehicle
CN110682810A (en) * 2019-09-29 2020-01-14 深圳威迈斯新能源股份有限公司 Single-three phase compatible high-efficiency vehicle-mounted bidirectional charger
CN111409482B (en) * 2020-03-30 2023-01-31 上海电气集团股份有限公司 Integrated circuit of vehicle-mounted charger and motor controller and electric vehicle
CN111355397B (en) * 2020-04-17 2021-05-14 南通大学 Single-phase high-gain photovoltaic grid-connected inverter with continuous input current and control method
CN111806267B (en) * 2020-07-27 2022-09-06 哈尔滨工业大学 Electric automobile traction-bidirectional charging system based on quadruple staggered parallel DC/DC
CN112152489B (en) * 2020-09-23 2021-08-03 南京信息工程大学 High-low voltage direct current dual-output integrated three-phase PWM rectifier converter and control method
CN112550023B (en) * 2020-11-24 2022-05-10 广州橙行智动汽车科技有限公司 Electric automobile electric integration device and method and electric automobile
CN112803561B (en) * 2021-01-27 2022-09-20 华南理工大学 Electric automobile integrated charging circuit based on auxiliary inductance and three-phase motor drive
CN114475362B (en) * 2021-12-02 2024-06-14 北京新能源汽车股份有限公司 Electric vehicle and drive control system thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202142879U (en) * 2011-06-07 2012-02-08 天宝电子（惠州）有限公司 Vehicle-mounted charging system for electric vehicle
CN102738878A (en) * 2012-07-17 2012-10-17 天津清源电动车辆有限责任公司 Charging/inverting integrated device for pure electric vehicle
CN102826054A (en) * 2012-08-14 2012-12-19 深圳先进技术研究院 Multi-functional integrated power electronic system of electric automobile
CN103178590A (en) * 2011-12-26 2013-06-26 上海大郡动力控制技术有限公司 Plug-in type battery charging device used for electrically driven vehicle and using method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904947A (en) * 1973-08-22 1975-09-09 Roy E Crews Vehicle mounted battery charging system for an electric motor vehicle
CN103187768B (en) * 2011-12-31 2015-07-22 比亚迪股份有限公司 Electric automobile and discharging device thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202142879U (en) * 2011-06-07 2012-02-08 天宝电子（惠州）有限公司 Vehicle-mounted charging system for electric vehicle
CN103178590A (en) * 2011-12-26 2013-06-26 上海大郡动力控制技术有限公司 Plug-in type battery charging device used for electrically driven vehicle and using method thereof
CN102738878A (en) * 2012-07-17 2012-10-17 天津清源电动车辆有限责任公司 Charging/inverting integrated device for pure electric vehicle
CN102826054A (en) * 2012-08-14 2012-12-19 深圳先进技术研究院 Multi-functional integrated power electronic system of electric automobile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112622658A (en) * 2019-10-08 2021-04-09 现代自动车株式会社 Battery charger for electric vehicle
US11433774B2 (en) * 2019-10-08 2022-09-06 Hyundai Motor Company Battery charger for electric vehicle
CN112622658B (en) * 2019-10-08 2024-07-12 现代自动车株式会社 Battery charger for electric vehicle

Also Published As

Publication number Publication date
CN103684202B (en) 2016-09-14
CN103684202A (en) 2014-03-26

Similar Documents

Publication Publication Date Title
WO2015096224A1 (en) Motor controller integrated with drive, charging and discharging functions
JP7288057B2 (en) Method for charging power battery and method for charging power battery for vehicle
JP7185336B2 (en) Prechargeable DCDC conversion circuit
US8587252B2 (en) System and method for digital control of a DC/DC power-converter device, in particular for automotive applications
TWI327410B (en) Two-way dc-dc converter
CN112277671B (en) Electric automobile and charging control system thereof
CN110120752A (en) Power inverter and its control method
CN111355430B (en) Motor control circuit, charging and discharging method, heating method and vehicle
CN106208641B (en) Alternating current-direct current multiplexing circuit
CN105790588B (en) Bidirectional DC-DC power converter for vehicle systems
TWI397250B (en) Two way full bridge zero-voltage and zero-current switching dc-dc converter
WO2014044089A1 (en) On-line uninterrupted power supply topology
CN104638949A (en) Resistorless precharging
WO2020019540A1 (en) Bidirectional high-frequency auxiliary conversion system
WO2014026460A1 (en) Conversion device integrated with switched reluctance motor drive and low-voltage battery charging
EP4303065A1 (en) Charging system compatible with low-voltage direct-current charging pile, control method and vehicle thereof
JP5539337B2 (en) Energy recovery device for variable speed drive
CN206099839U (en) Drive motor of an electric vehicle controller of integrating charging function
TWI439008B (en) Bidrecrional power inverter circuit and electrical vehicle driving system using the same
WO2014071720A1 (en) Power-factor correction circuit and power circuit
CN113054875A (en) Motor drive control device and method and motor
CN112224058B (en) Energy conversion device, power system and vehicle
Shah et al. Integrated power converter with G2V and V2G capabilities for 4-phase SRM drive based EV application
WO2014086083A1 (en) Bidirectional converter topology
CN112224052B (en) Energy conversion device, power system and vehicle

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14874154

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14874154

Country of ref document: EP

Kind code of ref document: A1