WO2016008300A1 - 一种采用开关磁阻电机作为功率变压器的动力*** - Google Patents
一种采用开关磁阻电机作为功率变压器的动力*** Download PDFInfo
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- WO2016008300A1 WO2016008300A1 PCT/CN2015/072718 CN2015072718W WO2016008300A1 WO 2016008300 A1 WO2016008300 A1 WO 2016008300A1 CN 2015072718 W CN2015072718 W CN 2015072718W WO 2016008300 A1 WO2016008300 A1 WO 2016008300A1
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- Prior art keywords
- power
- motor
- thyristor
- storage device
- controller unit
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- 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
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- 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
- B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
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- 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
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/25—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by controlling the electric load
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K47/00—Dynamo-electric converters
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- 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
- B60L2210/40—DC to AC converters
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- 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
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- 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
- B60L2220/18—Reluctance machines
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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- Y02T90/12—Electric charging stations
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- 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 power system, and more particularly to a power system using a thyristor as a power transformer.
- Lithium battery has small volume, light weight, high working voltage (three times that of nickel-cadmium battery and hydrogen-nickel battery), and high specific energy (up to 200WH/kg, which is three times that of hydrogen-nickel battery), cycle life Long, low self-discharge rate, no memory effect, no pollution, good safety and so on.
- the bottleneck that currently hinders the development of power lithium-ion batteries is the safety performance and management system of automotive power batteries.
- safety performance lithium ion power batteries have high energy density, high operating temperature, and poor working environment, which greatly reduce their safety performance. Together with the people-oriented safety concept, users put forward very high requirements for battery safety.
- the iron-lithium battery In terms of the management system of the automobile power battery, since the operating voltage of the single-power lithium-ion battery is 3.7V, the iron-lithium battery is 3.2v. In order to achieve the power required for the vehicle power, it often takes hundreds of V voltages, so it must be increased by connecting multiple batteries in series. Voltage, but because the battery is difficult to achieve a completely uniform charge and discharge, resulting in a single battery in a series of battery packs will be charged and discharged imbalance, the battery will be undercharged and over-discharged, and this situation will This leads to a sharp deterioration in battery performance, which eventually causes the entire battery to fail to work properly or even be scrapped, which greatly affects the battery life and reliability.
- the number of charge and discharge times of a single battery is 2,000 times under normal conditions, but the total number of charge and discharge times after grouping is usually only 300 to 500 times, and the usage time is too short, such as the investment of the early Beijing Olympic Games.
- Electric vehicle only used 3 The battery can't be used for a month, which makes the cost of the power battery increase, which is not conducive to the promotion of electric vehicles.
- the entire power system is light in weight, small in size, easy to assemble and convenient to manufacture, and the present invention bypasses the conventional battery.
- a driving system using a plurality of singly-connected reluctance motors in which the rotors of the independent storage devices are mechanically connected in parallel is creatively proposed.
- the object of the present invention is to overcome the deficiencies of the prior art, and to provide a system that can efficiently utilize a lower system voltage, output a larger power, can tolerate the difference between the power storage devices, has a strong fault tolerance, and is flexible in system manufacturing.
- the high compactness and low weight use the singular reluctance motor as the power system of the power transformer.
- a power system using a thyristor as a power transformer comprising a motor controller unit, a power storage device, two power converters and a motor unit
- the power storage device, the power converter and the motor are respectively connected to the motor controller unit, one power converter is connected to the power storage device, the other power converter is connected to the external power source, and the two power converters are respectively connected to the motor group.
- the motor unit includes one or more mechanically parallel motors, each of which has two power variations
- the converter is directly connected.
- the motor is a yoke reluctance motor.
- the motor has at least one phase comprising two independent coil windings, and the two coil windings are respectively connected to two driving circuits, and the driving circuit is respectively connected with the electric energy storage component and the external power source, and the motor controller unit passes through two A separate power supply and drive circuit controls the four quadrant operation of the motor.
- the power storage device is a device that can be repeatedly charged and discharged.
- the motor controller unit receives and executes the control signals of the overall controller unit, and uploads the actual operating data collected by the motor control unit to the overall controller and executes the basic control strategy.
- the motor is a transformer.
- the control strategy includes a battery management control strategy, a charging control strategy, a power storage module balance control strategy, and a solar maximum power tracking control strategy.
- the beneficial effects of the present invention are:
- the power system can efficiently utilize a lower system voltage, output a larger power, has a greater tolerance of the storage device, and can mix and use different types of power storage devices. , strong fault tolerance, flexible system manufacturing, high system compactness, low weight and low cost.
- FIG. 1 is a power system connection block diagram
- FIG. 2 is a schematic diagram of the operation of a thyristor reluctance motor as a transformer
- FIG. 3 is a schematic diagram of the operation of the thyristor reluctance motor as a transformer.
- a power system using a thyristor as a power transformer includes a motor
- the controller unit, the power storage device, the two power converters and the motor group, the power storage device, the power converter and the motor are respectively connected to the motor controller unit, one power converter is connected to the power storage device, and the other power converter is connected
- the external power supply is connected, and the two power converters are respectively connected to the motor group.
- the motor unit comprises one or more mechanically parallel motors, each motor being directly connected to two power converters.
- the motor is a ⁇ reluctance motor.
- the motor has at least one phase comprising two independent coil windings, and the two coil windings are respectively connected to two driving circuits, and the driving circuit is respectively connected with the electric energy storage component and the external power source, and the motor controller unit passes through two A separate power supply and drive circuit controls the four quadrant operation of the motor.
- the power storage device is a device that can be repeatedly charged and discharged.
- the motor controller unit receives and executes the control signals of the overall controller unit, and uploads the actual operational data collected by the motor control unit to the overall controller and executes the basic control strategy.
- the motor is a transformer.
- the control strategy includes a battery management control strategy, a charging control strategy, a power storage module balance control strategy, and a solar energy maximum power tracking control strategy.
- the power system may be composed of a plurality of power units, and the shut-off reluctance motors in each power unit are mechanically connected in parallel, and each motor has an independent motor control unit and two power amplifiers.
- the motor controller unit can respectively control two independent power sources to realize four-quadrant operation of the motor, and each controller unit performs control regulation signals received from the total controller unit, such as speed control, torque control, and rotor position. Control, etc.
- the actual operation data of the motor control unit is uploaded to the overall controller, and each control unit collects data of the power system through the communication system and makes a basic control strategy.
- the battery management system BMS can be used to collect information about the battery system.
- the battery management control strategy in the basic control strategy includes that the battery needs to stop charging when the charging threshold voltage exceeds the upper limit voltage, and the battery module discharges the threshold voltage beyond the lower limit voltage to stop discharging, and the battery module is overheated. Need to smash heat sinks, reduce power and even stop running. When the controller finds that these parameters reach the upper or lower limit of the battery management system setting, the corresponding control will be taken.
- the strategy is to ensure that the battery operates within a safe, reasonable and efficient range.
- the charging control strategy includes the system charging on the external power supply.
- the maximum speed charging can be achieved by setting the power limit on the overall controller to ensure that the external power supply is not overloaded. .
- the power storage module balance control strategy is that each subsystem adopts different conditions according to the condition of its own system energy storage system. Control Strategy. The master controller issues different control commands for different subsystem conditions to ensure that each subsystem can maximize its capabilities.
- each motor controller personalizes the controller command according to the remaining WH number of the internal storage system of the system, the voltage of each cell, the temperature of the component, and the health of the component.
- the execution of the operation If the amount of remaining WH of the power storage device is different, the synchronous discharge with the same state of charge is ensured. That is, the power storage device with a large WH number has a large discharge power, and the power storage device with a small WH number has a small discharge power. All the electrical storage devices complete the discharge as synchronously as possible.
- each power storage device is independently charged after charging, and can be charged to the optimal state by the motor controller to ensure that each subsystem can maximize its ability to ensure its own safety and longevity.
- the singular reluctance motor can be operated in two states of a motor and a generator.
- the system can directly A power converter connected to the storage element is driven by the controller to convert the amount of electricity stored by the storage element or the external power source into power.
- the mechanical power of the input motor can also be electrically fed back to the storage device or external power source when needed.
- the specific operating state of the reluctance motor is that the total control task is respectively reached to each motor controller unit through the data calculation by the total controller for the control target, and each motor controller unit adopts a certain control strategy for different
- the control device implements control so that the motor can realize four-quadrant operation through two independent power sources.
- the single-phase sigma reluctance motor generally has no self-starting capability, if there are only two windings on one phase of the motor, in the actual use process, the reluctance motor can be used to start the rotor first. , and then from the control system to single-phase operation can also achieve a smooth start.
- the singular reluctance motor can be used as a transformer. When the electric energy stored in the energy storage system is inverted into alternating current by k5, k6, k7, k8, the magnetic field is completed by the motor body.
- Coupling generating an AC voltage on another coil, and performing full-bridge rectification by means of diodes dl, d2, d3, d4 connected in parallel on the kl, k2, k3, k4 switching devices to become DC power supply to the external device; when external power is passed k 1 , k2 , k3 , k4 are inverted into alternating current, and the magnetic field coupling is completed by the motor body, and the alternating voltage is generated on the other coil, through the diodes d5 and d6 connected in parallel to the switching devices k5, k6, k7, k8, D7 and d8 perform full-bridge rectification to convert DC power to the energy storage system.
- the external electrical energy is inverted by kl, k2, k3, k4 into an alternating current to complete the magnetic field coupling through the motor body, and an alternating voltage is generated on one phase coil of the motor, and two consecutive passages on the bypass device are connected.
- the flow diodes vd4 and vd3 and the system have a full-bridge rectifier circuit consisting of freewheeling diodes vdl and vd2, which then become DC to charge the energy storage system.
- the mechanical parallel connection between the internal motors of the power system of the present invention can avoid the grouping effect caused by the series connection of the conventional batteries, and the overall controller can make them according to the different conditions of the batteries according to the information provided by each motor controller.
- the personalized working state ensures that each battery pack can work within a safe range, thus avoiding the occurrence of group effects.
- the same can be used as a power transformer, which can conveniently charge the energy of the external power supply into the energy storage power source.
- the charging power is large and the speed is fast. Since there are no excessive parts, almost no Need to increase the weight of any system, the entire system has the ability to low-voltage and high-power fast charging. If used in electric vehicles, it will be easy to obtain supplemental energy through the traditional grid, which is extremely convenient to use.
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- 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)
- Control Of Electric Motors In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/327,166 US20170136915A1 (en) | 2014-07-18 | 2015-02-11 | Power System Using Switched Reluctance Motor as Power Transformer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201410343617.3 | 2014-07-18 | ||
CN201410343617.3A CN104129314B (zh) | 2014-07-18 | 2014-07-18 | 一种采用开关磁阻电机作为功率变压器的动力*** |
Publications (1)
Publication Number | Publication Date |
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WO2016008300A1 true WO2016008300A1 (zh) | 2016-01-21 |
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Family Applications (1)
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PCT/CN2015/072718 WO2016008300A1 (zh) | 2014-07-18 | 2015-02-11 | 一种采用开关磁阻电机作为功率变压器的动力*** |
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Country | Link |
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US (1) | US20170136915A1 (zh) |
CN (1) | CN104129314B (zh) |
WO (1) | WO2016008300A1 (zh) |
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CN104129314B (zh) * | 2014-07-18 | 2017-03-01 | 成都宇能通能源开发有限公司 | 一种采用开关磁阻电机作为功率变压器的动力*** |
CN104967268A (zh) * | 2015-07-15 | 2015-10-07 | 余珊珊 | 一种分布式多驱动单元的开关磁阻电机 |
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US20170136915A1 (en) | 2017-05-18 |
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