WO2013190227A1 - Voltage regulating device and excitation rotating electric machine equipped with such a device - Google Patents
Voltage regulating device and excitation rotating electric machine equipped with such a device Download PDFInfo
- Publication number
- WO2013190227A1 WO2013190227A1 PCT/FR2013/051413 FR2013051413W WO2013190227A1 WO 2013190227 A1 WO2013190227 A1 WO 2013190227A1 FR 2013051413 W FR2013051413 W FR 2013051413W WO 2013190227 A1 WO2013190227 A1 WO 2013190227A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- regulator
- activation
- circuit
- regulating device
- Prior art date
Links
Classifications
-
- 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
Definitions
- the present invention relates generally to the field of rotating electrical machines with excitation, in particular for a motor vehicle. More particularly, the invention relates to a voltage regulating device adapted to regulate the output voltage of a rotating electrical machine excitation, such as an alternator.
- the regulating device according to the invention is adapted for the regulation of a power supply edge voltage greater than 12 V, such as 24 or 48 V.
- an alternator for a motor vehicle comprises an inductor rotating in the form of a rotor provided with an excitation coil and a stator provided with a plurality of stator coils.
- the stator coils provide AC voltages which are rectified to obtain a DC voltage.
- This DC voltage is regulated so as to provide the vehicle's on-board power supply with a stable DC voltage for battery charging and power to consumers connected to the network.
- the regulation of the output voltage of the alternator is made by adjusting the excitation current flowing in the rotor coil.
- the response of the alternator to a variation of the excitation current is limited by its intrinsic bandwidth, which essentially depends on its electromechanical characteristics.
- the output voltage shall be regulated so as to maintain stability in operating ranges (rotational speed and electric charge ranges) that are defined by the vehicle manufacturer.
- the output voltage of the alternator is measured and continuously compared to a setpoint value by a control device which controls the excitation current so as to minimize or cancel the error between the measured output voltage. and the set value.
- the output voltage of the alternator is generally regulated to a value of the order of 14 V so as to charge the 12 V battery of the vehicle and to feed the network of edge.
- 12V regulators Many of these regulators (known as 12V regulators) have been developed by automotive suppliers to meet the needs of manufacturers. These regulators are generally built around an ASIC circuit and involve significant development costs.
- first 12V on-board system powers conventional 12V consumers in a motor vehicle, such as lighting, dashboard, navigation electronics, audio / video players, etc.
- the second onboard network at 48 V powers electric traction machines and receives electrical energy from regenerative braking.
- the two dash systems can each integrate an energy store such as a battery, for example a 12 V lead-acid battery for the first network and a 48 V lithium-ion battery for the second network.
- a DC-DC converter can also be provided in the architecture of the on-board networks, to form a gateway for energy transfers between networks. According to the architectures, the energy generation means are either distributed over the two edge networks, or concentrated on one or the other of the networks with energy transfers through the DC-DC converter.
- the present invention relates to a voltage regulating device equipping a rotating electrical machine such as an alternator in a motor vehicle, the device comprising a standard voltage regulator, the regulator being designed to regulate a DC mains voltage. power supply edge to a first setpoint through the control of an excitation current supplied to the rotating electrical machine.
- the voltage regulating device also comprises controller adaptation means connected between the vehicle power supply on-board network and the regulator to allow, in combination with the regulator, a regulation of the voltage continuous power supply edge network at a second setpoint voltage higher than the first setpoint voltage for which the regulator is designed.
- the regulator adaptation means comprise a voltage matching circuit receiving as input the DC voltage of the electrical supply edge network and outputting a reduced DC voltage applied to a control loop input. of the regulator and used to supply voltage to the regulator, the ratio of the dc network voltage to the reduced dc voltage being substantially equal the ratio of the second setpoint voltage to the first setpoint voltage.
- the voltage matching circuit comprises a first bipolar transistor which is emitter follower-mounted and forms a low impedance voltage source delivering the reduced DC voltage.
- the voltage matching circuit comprises a second diode-mounted bipolar transistor at a base electrode of the first bipolar transistor for temperature-compensating the first bipolar transistor and temperature stabilizing the reduced DC voltage.
- the regulator adaptation means comprise an electronic switch and at least one activation control circuit, the electronic switch having the function of activating or deactivating the voltage matching circuit according to a command provided by the activation control circuit.
- the activation control circuit comprises a circuit delivering an activation command when closing a contact switch of the vehicle, the activation command causing a closing of the electronic switch and a subsequent activation of the voltage matching circuit.
- the activation control circuit comprises a circuit delivering an activation command when phase voltages are detected in stator coils of the rotating electrical machine, the activation command causing a closing of the electronic switch and a subsequent activation of the voltage matching circuit.
- the activation control circuit comprises a circuit providing an activation command when an activation instruction is received through a communication link between the voltage regulator and a unit. vehicle control electronics, the activation command causing a closing of the electronic switch and a subsequent activation of the voltage matching circuit.
- the present invention relates to a rotating electrical machine, such as an alternator, in a motor vehicle comprising a stator, a rotor provided with an excitation coil, a voltage rectifying circuit and a regulating device. voltage.
- the rotating electrical machine comprises a voltage regulating device as briefly described above.
- FIG. 1 is a schematic sectional view of the rear part of an embodiment of an alternator according to the invention.
- - Fig.2 is a general electrical block diagram of the alternator according to the embodiment of Fig.1;
- - Fig.3 is a circuit diagram of a principle of an embodiment of the voltage regulating device according to the invention.
- the alternator 1 conventionally comprises a stator S and a rotor R, as well as voltage recovery devices 2 and voltage regulation devices 3 which are installed at the level of FIG. a rear bearing of the alternator.
- the stator S is of three-phase type and comprises three stator coils mounted in a triangle.
- the rotor R is rotated by the heat engine and has an excitation coil We.
- the voltage rectifier device 2 is here of synchronous rectification type and comprises MOS-FET power transistors operating in ideal diode, that is to say, with a very low voltage threshold with respect to a silicon diode .
- the MOS-FET transistors are controlled by an electronic circuit which is known per se and is not shown in FIG.
- the voltage rectifier 2 has two positive and negative electrical polarity output terminals respectively connected to terminals positive B + and negative B- BAT battery equipping the vehicle.
- the BAT battery is here a 48 V lead-acid battery which supplies a 48 V electric vehicle on-board network.
- the voltage rectifier 2 provides a rectified DC voltage which is regulated by means of the voltage rectifier 2.
- the voltage regulator 3 is embodied as a brush-type voltage regulator incorporating brushes B1, B2 in electrical contact with collector rings C1, C2, respectively.
- the collector rings C1, C2 are made of copper and are electrically connected to the ends of the excitation coil We.
- the voltage regulation of the alternator 1 is obtained by controlling a lex excitation current flowing in the coil We.
- the lex current is modulated in PWM ("pulses width modulation" in English terminology) by the voltage regulation device 3 as a function of an error between an effective voltage Vb1 of the on-board network and a control regulation voltage V2 of the device.
- voltage regulator 3 is embodied as a brush-type voltage regulator incorporating brushes B1, B2 in electrical contact with collector rings C1, C2, respectively.
- the collector rings C1, C2 are made of copper and are electrically connected to the ends of the excitation coil We.
- PWM pulse width modulation
- the voltage regulation device 3 essentially comprises a voltage regulator 30 and a regulator adaptation device 31.
- the voltage regulator 30 is a standard regulator available, part of the catalog of the equipment manufacturer, but therefore the design is re-worked to incorporate in its box type "brush holder" the components of the controller adaptation device 31, and thus obtain the voltage regulator device 3 at low development cost.
- the voltage regulator 30 as a regulator available in the catalog, has been designed to regulate the output voltage of the alternator to a setpoint value V1 lower than the setpoint value V2 which is that at which the regulating device Voltage 3 must regulate the output voltage of the alternator.
- the regulator 30 is typically a 12 V regulator, while the voltage regulator 3 must regulate the voltage Vb1 to 48 V.
- the voltage regulator 30 comprises a MOS-FET type power transistor which provides PWM cutting of the current lex supplying the excitation coil We. As shown in Fig.2, the regulator 30 has a voltage supply input Vs and a voltage regulation loop input FB1.
- the inputs Vs and FB1 are connected together to an output SR of regulator adaptation device 31.
- Regulator matching device 31 also includes a voltage regulation loop input FB2, an enable input RV1, three enable inputs RV2, and an enable input RV3.
- a communication link COM is also provided so as to allow an exchange of commands and status information between an electronic control unit (not shown) of the vehicle and the voltage regulation device 3.
- the activation inputs RV1, RV2 and RV3 allow a so-called "stand-by" mode of the controller adaptation device 31 during which the latter is put to sleep and consumes little power.
- All the circuits and devices of the alternator 1 are connected to a common ground, that is to say, to the terminal B- itself connected to the chassis of the vehicle.
- the regulator adaptation device 31 is described below in detail with reference more particularly to FIG.
- the regulator matching device 31 essentially comprises a voltage matching circuit 310, an activation electronic switch 31 1 and three activation control circuits 312, 313 and 314.
- the voltage matching circuit 310 comprises an NPN transistor Q1 operating in linear mode, a diode-connected NPN transistor Q2 and two resistors R1, R2.
- Transistor Q1 is emitter-follower mounted so as to have a low output impedance.
- a collector electrode of transistor Q1 is connected to terminal B +.
- An emitter electrode of the transistor Q1 is connected to the output SR of the regulator matching device 31.
- a base electrode of transistor Q1 is connected to ground through transistor Q2 in series with resistor R2.
- the resistor R1 has a first end connected to the base of the transistor Q1 and a second end connected to the terminal B + through the electronic switch 31 1.
- Transistor Q2 is diode-mounted and has collector and base electrodes connected together to the base of transistor Q1.
- the emitter of transistor Q2 is connected to ground through resistor R2.
- the transistor Q2 diode mounted at the base of the transistor Q1 allows a temperature compensation of the transistor Q1 and opposes variations in the voltage at the output SR of the device 31 as a function of temperature.
- the electronic activation switch 31 1 operates in switching mode and controls the operation in the conduction mode or in the blocking mode of the transistor Q1.
- the electronic switch 31 1 essentially comprises a PNP transistor Q3 and resistors R3 and R4. Input terminals E1 and output S1 of switch 31 1, corresponding to emitter and collector electrodes of transistor Q3, are connected to terminal B + and to the second end of resistor R1 of circuit 310, respectively.
- the electronic switch 31 1 also comprises a control terminal C1 connected to a base electrode of the transistor Q3 through the resistor R4 and which receives as input an activation signal AV. First ends of the resistors R3 and R4 are connected together at the base of the transistor Q3. Second ends of the resistors R3 and R4 are connected to the terminals E1 and C1, respectively.
- the AV signal is produced by respective outputs, connected in "wired logic OR", activation control circuits 312, 313 and 314.
- the control terminal C1 is at the ground potential (logic level "0"), defined by the signal AV
- the electronic switch 31 1 is in a closed state in which the input terminals E1 and S1 of the output of the switch 31 1 are electrically connected through the transistor Q3 in the saturated state.
- the control terminal C1 is at the potential Vb1 of the terminal B + (logic level "1"), defined by the signal AV
- the electronic switch 31 1 is in an open state in which the input terminals E1 and output S1 of the switch 31 1 are electrically disconnected by the transistor Q3 in the off state.
- the logic level “0" (mass) of the AV signal is obtained by means of open-collector transistors Q4, Q5 and Q6, in the on state, present at the output of the activation control circuits 312, 313 and 314.
- the logic level “1" (potential Vb1) of the signal AV is fixed on the terminal C1 and the base of the transistor Q3 by the resistors R3 and R4 of the switch 31 1 when the open collector transistors Q4, Q5 and Q6 are all three blocked state.
- the voltage Vb1 supplies the bias circuit of the transistor Q1, the bias circuit formed by the resistors R1, R2 and the diode-connected transistor Q2.
- the voltage matching circuit 310 is then activated and the transistor Q1 delivers at the output SR a voltage Vb2 substantially equal to:
- Vb2 Vb1 .R2 / (R1 + R2) - Vbe
- Vbe is the emitter-base voltage (about 0.6V) of the transistor Q1 and that the collector-emitter voltage of the transistor Q3 in the saturated state is negligible.
- this ratio RT is of the order of 4, V1 and V2 being respectively equal to 12 V and 48 V.
- the closing / opening of the electronic switch 31 1 is controlled by the activation control circuits 312, 313 and 314.
- the AV signal controlling the opening of the switch 31 1 is the result of an OR logic function.
- the activation control circuit 312 has the function of controlling the activation of the device 31 when the ignition key of the vehicle (switch S1) is actuated.
- the switch S1 of the ignition key is connected to the activation input RV1 of the device 31.
- the circuit 312 is powered by the voltage Vb1.
- the voltage Vb1 produces a current in the base of an NPN transistor Q5 of the circuit 312, through the resistor R6. This basic current causes a saturation of the transistor Q5 and the AV signal then switches to the logic state "0".
- This logic state "0" of the AV signal controls the supply of the voltage matching circuit 310 and the activation of the device 31.
- the activation control circuit 313 has the function of controlling the activation of the device 31 when phase voltages occur in the stator coils of the stator S. These phase voltages are applied to the activation inputs RV2 of the device 31. The presence of non-zero phase voltages indicates that the rotor S is rotating.
- the activation control circuit 312 thus provides a redundancy in the detection, for the case for example where the circuit 312 in failure would not detect the operation of the ignition key (S1).
- the phase voltages are rectified in monoalternance by DR diodes and summed at a first end of a resistor R8.
- a second end of the resistor R8 is connected to first ends of resistors R5 and R9, a capacitor C1 and a cathode of a zener diode DZ1. Second ends of the components R9 and C1 and an anode of the diode DZ1 are connected to ground.
- a second end of the resistor R5 is connected to a base electrode of an NPN transistor Q4.
- the DR diodes, the capacitor C1 and the Zener diode DZ1 form a peak detection circuit, with a level clipping introduced by the zener diode DZ1. Level clipping is necessitated by the high and variable amplitudes that phase voltages can take.
- a DC detection voltage then present in the circuit 313 causes the flow of a current in the base of the transistor Q4 whose emitter is connected to ground. This basic current causes a saturation of the transistor Q4 and the AV signal then switches to the logic "0". This logic state "0" of the AV signal controls the supply of the voltage matching circuit 310 and the activation of the device 31.
- the purpose of the activation control circuit 314 is to control the activation of the device 31 when an activation instruction is received through the communication link COM.
- Such an activation instruction may be transmitted by an electronic control unit of the vehicle, for example to force a voltage supply of the regulator 30 and allow communication between the control unit and the controller 30.
- the control circuit activation 314 may thus, for example, allow communication between the control unit and the regulator 30 even if the vehicle is stopped, with the ignition off.
- the instruction signal from the COM communication link is applied to the activation input RV3 of the device 31.
- an instruction receiving circuit 3140 decodes the instruction signal and outputs an activation command CA3 to the active logic state "1" when activation of the device 31 is required.
- the activation command CA3 at state “1” causes the passage of a current in the base of an NPN transistor Q6 whose emitter is connected to ground. This basic current causes a saturation of the transistor Q6 and the AV signal then switches to the logic state "0". This logic state "0" of the AV signal controls the supply of the voltage matching circuit 310 and the activation of the device 31.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Control Of Charge By Means Of Generators (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380032683.2A CN104380565B (en) | 2012-06-22 | 2013-06-17 | Voltage regulating device and the excitation electric rotating machine being equipped with such device |
BR112014027855A BR112014027855A2 (en) | 2012-06-22 | 2013-06-17 | voltage regulating device and rotary electric machine with excitation equipped with such device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1255902 | 2012-06-22 | ||
FR1255902A FR2992491B1 (en) | 2012-06-22 | 2012-06-22 | VOLTAGE REGULATION DEVICE AND EXCITATION ROTATING ELECTRIC MACHINE EQUIPPED WITH SUCH A DEVICE |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013190227A1 true WO2013190227A1 (en) | 2013-12-27 |
Family
ID=46754682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2013/051413 WO2013190227A1 (en) | 2012-06-22 | 2013-06-17 | Voltage regulating device and excitation rotating electric machine equipped with such a device |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN104380565B (en) |
BR (1) | BR112014027855A2 (en) |
FR (1) | FR2992491B1 (en) |
WO (1) | WO2013190227A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016007900A1 (en) * | 2016-06-28 | 2017-12-28 | Audi Ag | Multi-voltage control device for a motor vehicle, motor vehicle and operating method for the control device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6300746B1 (en) * | 1997-08-01 | 2001-10-09 | Robert Bosch Gmbh | Method for regulating a generator |
FR2832002A1 (en) * | 2001-11-08 | 2003-05-09 | Denso Corp | VOLTAGE REGULATOR FOR CONTROLLING THE OUTPUT OF AN ALTERNATOR FOR A MOTOR VEHICLE |
US6919648B2 (en) * | 2001-02-16 | 2005-07-19 | Siemens Aktiengesellschaft | Motor vehicle electric system |
US20070085512A1 (en) * | 2005-10-14 | 2007-04-19 | Denso Corporation | Vehicle-generator control device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009118576A (en) * | 2007-11-02 | 2009-05-28 | Toyota Motor Corp | Power generation control device |
-
2012
- 2012-06-22 FR FR1255902A patent/FR2992491B1/en not_active Expired - Fee Related
-
2013
- 2013-06-17 CN CN201380032683.2A patent/CN104380565B/en not_active Expired - Fee Related
- 2013-06-17 BR BR112014027855A patent/BR112014027855A2/en not_active IP Right Cessation
- 2013-06-17 WO PCT/FR2013/051413 patent/WO2013190227A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6300746B1 (en) * | 1997-08-01 | 2001-10-09 | Robert Bosch Gmbh | Method for regulating a generator |
US6919648B2 (en) * | 2001-02-16 | 2005-07-19 | Siemens Aktiengesellschaft | Motor vehicle electric system |
FR2832002A1 (en) * | 2001-11-08 | 2003-05-09 | Denso Corp | VOLTAGE REGULATOR FOR CONTROLLING THE OUTPUT OF AN ALTERNATOR FOR A MOTOR VEHICLE |
US20070085512A1 (en) * | 2005-10-14 | 2007-04-19 | Denso Corporation | Vehicle-generator control device |
Also Published As
Publication number | Publication date |
---|---|
FR2992491B1 (en) | 2014-07-04 |
CN104380565A (en) | 2015-02-25 |
BR112014027855A2 (en) | 2017-06-27 |
FR2992491A1 (en) | 2013-12-27 |
CN104380565B (en) | 2017-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2794340B1 (en) | Device for connecting/disconnecting a load for energy storage unit in an automotive vehicle | |
EP3146626B1 (en) | Rotating electric machine for a motor vehicle | |
WO2016170262A1 (en) | Voltage regulator of a motor vehicle alternator, regulator brush holder and corresponding alternators | |
FR2674381A1 (en) | DEVICE FOR POWER SUPPLY IN A MOTOR VEHICLE WITH PARALLEL GENERATORS. | |
FR2907282A1 (en) | METHOD AND SYSTEM FOR COMMUNICATING VOLTAGE REGULATOR SWITCHING INFORMATION TO A VEHICLE COMPUTER | |
FR2675644A1 (en) | TWO-VOLTAGE ELECTRICAL CIRCUIT WITH IMPROVED FAULT SIGNALING, PARTICULARLY FOR MOTOR VEHICLES. | |
FR2981014A1 (en) | ELECTRICAL NETWORK FOR A VEHICLE HAVING AT LEAST ONE ACTIVABLE COMPONENT | |
WO2013190227A1 (en) | Voltage regulating device and excitation rotating electric machine equipped with such a device | |
EP1134886B1 (en) | Low loss rectifier for polyphase vehicle generators | |
WO2020208322A1 (en) | Motor vehicle electrical architecture comprising a distribution box of at least one switched electrical supply, method for the use thereof, and motor vehicle incorporating same | |
FR3009452A1 (en) | SYSTEM FOR MANAGING A POWER SUPPLY VOLTAGE OF AN ELECTRICAL NETWORK ON THE EDGE OF A MOTOR VEHICLE | |
EP0286510B1 (en) | Electric power supply device with overvoltage | |
EP1103019A1 (en) | Logic input device for energy recovery in a process control | |
JP2018165080A (en) | Vehicle power supply device | |
FR3092210A1 (en) | PROCESS FOR MANAGING THE POWER SUPPLY OF TWO ELECTRICAL NETWORKS OF A MOTOR VEHICLE CONNECTED TO EACH OTHER | |
EP1972052A1 (en) | Device for supplying the inductor of a rotating electrical machine | |
EP3750377B1 (en) | Method for controlling the power supply of electric heating means of a system, as a function of the available electric power and needs | |
FR2821699A1 (en) | MOTOR VEHICLE ALTERNATOR WITH EXCITATION INFORMATION OUTPUT | |
EP0055149A1 (en) | Battery charging device, especially for automotive vehicles | |
EP0738037A1 (en) | Excitation circuit for an alternator especially for motor vehicles and controller with an alternator containing it | |
FR3128068A1 (en) | Regulator comprising a safety module for a rotating electrical machine | |
EP2102670A1 (en) | Method and device for detecting the failure of an excitation circuit of a polyphase alternator | |
FR2802364A1 (en) | METHOD AND DEVICE FOR CONTROLLING THE POWER SUPPLY OF A ROTOR WINDING OF AN ELECTRIC MACHINE SUCH AS AN ALTERNATOR OR ALTERNATOR-STARTER OF A VEHICLE, IN PARTICULAR A MOTOR VEHICLE | |
FR3099115A1 (en) | A method of controlling, during gear changes, the electrical power supply networks of a hybrid vehicle equipped with a robotic gearbox. | |
FR2869469A1 (en) | Electrical network protection device for motor vehicle, has switch permitting charging of energy storage unit, in closed position of switch, when supply unit is not activated, where switch supplies supply unit, when it is activated |
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: 13737330 Country of ref document: EP Kind code of ref document: A1 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112014027855 Country of ref document: BR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13737330 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 112014027855 Country of ref document: BR Kind code of ref document: A2 Effective date: 20141107 |