CN109167551A - A kind of H bridge automotive motor controller of integrated charge function - Google Patents
A kind of H bridge automotive motor controller of integrated charge function Download PDFInfo
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- CN109167551A CN109167551A CN201811277379.5A CN201811277379A CN109167551A CN 109167551 A CN109167551 A CN 109167551A CN 201811277379 A CN201811277379 A CN 201811277379A CN 109167551 A CN109167551 A CN 109167551A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- H02J7/045—
Abstract
The present invention provides a kind of H bridge automotive motor controller of integrated charge function, including electric machine controller, motor phase windings, charging interface and communicating circuit, power battery, motor phase windings, charge power supply and telecommunication circuit are separately connected outside electric machine controller；The electric machine controller includes power battery, the positive and negative electrode that the DC bus at battery both ends is separately connected switchs and is connected to the DCDC voltage changing module of anode, the DC bus at battery both ends is connect with the both ends of H bridge driver respectively, and H bridge driver is connect with charging interface.The H bridge automotive motor controller of integrated charge function of the present invention: it does not need to disconnect motor phase windings, stable structure in charging；It can use single phase alternating current power supply, three-phase alternating-current supply or DC power supply to charge to automobile power cell；It can charge in any place for having power supply, reduce the construction to charging pile and put into, reduce the influence to power grid.
Description
Technical field
The present invention relates to a kind of H bridge automotive motor controllers of integrated charge function.
Background technique
Electric car effectively reduces exhaust emissions, riding comfort in city and greatly improves, and obtains all over the world
Widely popularize application.Electric car using motor as driving part, using battery as energy storage component, convert electrical energy into running car
Mechanical kinetic energy, electric machine controller be energy conversion intermediary.The electric machine controller of existing electric car generallys use three-phase
Bridge inverter main circuit, one freewheeling diode of each switching tube reverse parallel connection, battery provide DC voltage source, central controller root
The on-off that each phase switching tube is controlled according to the rotor-position and current status of motor, the row for issuing motor response entire car controller
Vehicle instruction.Motor three-phase windings have common point, when the inverter leg that any phase winding breaks down or is connected with winding goes out
Existing failure, can have an impact other phase windings and inverter leg.
Existing electric car charging all uses external charger (charging pile), is divided into alternating-current charging pile and DC charging
Stake: alternating-current charging pile provides stable three-phase alternating-current supply, then is converted into DC power supply by onboard charger and charges the battery, but
Onboard charger power is smaller；After external ac power source is rectified into DC power supply by direct-current charging post, then charge the battery, vapour
Vehicle does not need charger.Because charging pile is very high to power and voltage class requirement, usually construction is in government or enterprise
The specified place of unit.The charging pile Shortcomings of fixed position: on the one hand, electric car charging time itself is long, most short to fill
The electric time is also required to half an hour, and the waiting time is longer if peak period is lined up.On the other hand, a large amount of electric car is simultaneously
Charging can bring adverse effect to the power grid near charging pile.Some passenger cars are equipped with portable charger, but need individually purchase
It buys.
In conclusion existing electric car haves the shortcomings that the charging time is long, charging place is inconvenient, at high cost；Simultaneously
The error resilience performance of motor is lower, requires power battery voltage higher.Invent CN 201310741241.7 and CN
201610836899 propose the electric machine controller of two kinds of integrated charge functions, but every time charging when need by motor phase windings from
It is disconnected on three-phase inverter, frequent on-off will appear winding poor contact, influence automobile normal operation.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of H bridge automotive motor controllers of integrated charge function.
The present invention is achieved by the following technical programs.
A kind of H bridge automotive motor controller of integrated charge function provided by the invention；Including electric machine controller, motor phase
Winding, charging interface, communicating circuit are separately connected power battery, motor phase windings, charge power supply, logical outside electric machine controller
Believe circuit, the electric machine controller includes power battery, the positive and negative electrode switch and connect that the DC bus at battery both ends is separately connected
The DCDC voltage changing module in anode is connect, the DC bus at battery both ends is connect with the both ends of H bridge driver respectively, and H bridge drives
Dynamic device is connect with charging interface.
The H bridge driver is polyphase windings, respectively corresponds machine winding quantity.
The H bridge driver composes in parallel again after being connected two-by-two by four switching tubes, and each switching tube inverse parallel one continuous
Flow diode.
Two terminals of every phase winding of the motor all extract, and do not have common point between each phase winding.
Every phase winding both ends of the motor are respectively connected to individual H bridge driver.
Preliminary filling resistance is also connected between the positive and negative anodes switch and H bridge driver.
The machine winding is three-phase, corresponding three H bridge drivers.
Three-phase windings step mode are as follows:
Unidirectionally-single-phase conducting three condition；
Six states are connected in unidirectionally-single-phase, two-phase in turn；
Three condition is connected in unidirectionally-two-phase in turn；
Two-way-single-phase six state of conducting three-phase；
Ten two-states are connected in two-way-single-phase, two-phase in turn；
Two-way-two are conducted six state of three-phase；
Ten two-states are connected in two-way-two-phase, three-phase in turn；
Two-way-three are conducted six states.
Bus capacitor is also connected between the DC bus at the battery both ends.
The beneficial effects of the present invention are the H bridge automotive motor controllers of integrated charge function: not needing to break in charging
Open motor phase windings, stable structure；It can use single phase alternating current power supply, three-phase alternating-current supply or DC power supply and give automobile power electricity
It charges in pond；It can charge in any place for having power supply, reduce the construction to charging pile and put into, reduce the shadow to power grid
It rings.
The H bridge automotive motor controller of integrated charge function has many feature performance benefits using H bridge driver control motor:
Motor phase windings are mutually indepedent, connect respective H bridge driver, certain phase winding failure will not impact other phase windings,
The error resilience performance of entire electric machine controller improves；Every phase winding is individually controlled, winding conduction mode multiplicity can be according to difference
Situation adjusts winding conducting；The voltage of bus required by electric machine controller can reduce, and switching tube wants pressure-resistant attenuating, although H bridge
The device of driver increases, but overall cost does not increase；H bridge driver connects motor phase windings, facilitates detection phase winding
Voltage, current waveform, realize electric machine without position sensor control；H bridge automotive motor controller may be implemented electric motor starting and turn
Square is big, speed adjustable range is wide.
Detailed description of the invention
Fig. 1: the structure chart of the H bridge automotive motor controller of integrated charge function of the present invention
Fig. 2: the structure that the H bridge automotive motor controller of integrated charge function of the present invention works when driving three-phase motor
Figure；
Fig. 3: the H bridge automotive motor controller work of integrated charge function of the present invention is driving winding when three-phase motor to lead
Logical phase sequence figure；
Fig. 4: the armature magnetic that the H bridge automotive motor controller of integrated charge function of the present invention works when driving three-phase motor
Kinetic potential polar plot；
Fig. 5: program flow diagram of the H bridge automotive motor controller work of integrated charge function of the present invention in charging；
Fig. 6: knot of the H bridge automotive motor controller of integrated charge function of the present invention when using three-phase alternating-current supply charging
Composition；
Fig. 7: knot of the H bridge automotive motor controller of integrated charge function of the present invention when using single phase alternating current power supply charging
Composition.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
A kind of H bridge automotive motor controller of integrated charge function；Including electric machine controller, motor phase windings, charging
Mouthful, communicating circuit, be separately connected power battery, motor phase windings, charge power supply, telecommunication circuit outside electric machine controller, it is described
Electric machine controller includes power battery, the positive and negative electrode switch and be connected to battery just that the DC bus at battery both ends is separately connected
The DCDC voltage changing module of pole, the DC bus at battery both ends are connect with the both ends of H bridge driver respectively, H bridge driver and charging
Interface connection.
The H bridge driver is polyphase windings, respectively corresponds machine winding quantity.
The H bridge driver composes in parallel again after being connected two-by-two by four switching tubes, and each switching tube inverse parallel one continuous
Flow diode.
Two terminals of every phase winding of the motor all extract, and do not have common point between each phase winding.Motor phase
Winding uses absolute construction, and two terminals of every phase winding all extract；There is no common point between each phase winding of motor, i.e.,
Winding connection method does not use traditional star-like connection or triangle connection type.Motor can be asynchronous machine, switched reluctance machines,
Synchronous motor, brshless DC motor.Every phase winding both ends of the motor are respectively connected to individual H bridge driver.Motor
Every phase winding both ends are linked into individual H bridge driver, and the number of H bridge driver is equal with the machine winding number of phases, all windings
Using identical direction access H bridge driver.There are dead times between switching tube above and below H bridge, prevent DC power supply positive and negative
Short circuit.
Preliminary filling resistance is also connected between the positive and negative anodes switch and H bridge driver.The positive switch of DC power supply bus
And negative switch, it is the switch that H bridge driver is connected to power battery, in order to reduce power battery to the electricity of H bridge driver
Stream impact, this structure include precharging circuit (preliminary filling resistance).
The machine winding is three-phase, corresponding three H bridge drivers.
Three-phase windings step mode are as follows:
Unidirectionally-single-phase conducting three condition；
Six states are connected in unidirectionally-single-phase, two-phase in turn；
Three condition is connected in unidirectionally-two-phase in turn；
Two-way-single-phase six state of conducting three-phase；
Ten two-states are connected in two-way-single-phase, two-phase in turn；
Two-way-two are conducted six state of three-phase；
Ten two-states are connected in two-way-two-phase, three-phase in turn；
Two-way-three are conducted six states.
Bus capacitor is also connected between the DC bus at the battery both ends.
Central controller operation positive switch and cathode positive switch complete the powering on of whole system, lower electric process, detection
Motor rotor position state simultaneously controls each H bridge driver forwards/reverse realization motor driven, operation DCDC switch and charging
Charge function is completed in the operation of mouthful circuit.And each H bridge driver of real-time monitoring, DCDC voltage changing module and charging inlet circuit
Voltage and current state, protect entire electric machine controller to operate normally, and communicated with external devices.
The input of charging inlet circuit connects external power supply, can access single phase alternating current power supply or three-phase alternating-current supply.Charging
The output of interface circuit terminates on the unilateral winding connection end of each H bridge driver.When motor operation, entire charging
Mouth circuit is in an off state；Only charging inlet circuit just can turn under motor halted state.When charging, each H bridge is driven
Dynamic device only has unilateral bridge arm to work, another bridge arm does not work, and motor phase windings only have one end to access power supply, not will form electric current
Circuit.Two single armed circuits form a single-phase full bridge controlled rectification bridge circuit, and three single armed circuits form a three phase full bridge
Controlled rectification bridge circuit.
DCDC voltage changing module access bus anode in charging, according to the big of full-bridge controllable rectifier bridge circuit output voltage
It is small, it adjusts output voltage values and charges to power battery.Power battery itself works as DC charging with direct-current charging interface
Power battery at one's leisure, can directly be arrived direct-current charging post by stake charging.
The present invention proposes the H bridge automotive motor controller of integrated charge function, to realize that charging is convenient, structure is reliable, electricity
The excellent purpose of machine control performance.
The H bridge automotive motor controller of integrated charge function of the present invention can with driving motor operate, give power battery charging,
It is achieved by following technical proposals:
Firstly, the H bridge automotive motor controller work of integrated charge function, in driving polyphase machine operating, feature exists
In:
The electric machine controller of the present invention does not use three phase inverter bridge structure, simultaneously by multiple H bridge drivers
Join.The polyphase windings (can be a phase, two-phase, three-phase or multiphase, usually three-phase) of motor are mutually not connected to, it is each mutually around
There is no common point between group, the both ends of every phase winding are connected to a H bridge driver of electric machine controller.Each H bridge driver
It connected by four switching tubes, be formed in parallel again two-by-two, one freewheeling diode of each switching tube inverse parallel.H bridge driver is connected to
On DC power supply bus, DC power supply bus is connected on power battery.
The H bridge automotive motor controller of integrated charge function of the present invention realizes the voltage electricity to every phase winding of motor
Stream individually control, motor can be with positive and negative rotation or power generation；It is mutually isolated between each phase winding of motor, when any phase winding of motor goes out
Show failure or when the inverter leg being connected with winding breaks down, other phase windings and corresponding H bridge will not be driven
Device has an impact.
The rotor-position and current status of central controller motor control each H bridge driver forwards/reverse, make motor
Each phase winding is powered according to certain rules, powers off, thus allow motor gas-gap magnetic field rotating, driving motor rotor motion.Motor can be with
It is asynchronous machine, switched reluctance machines, synchronous motor, brshless DC motor, but it is not limited to these types of motor.
Particularly, when the H bridge automotive motor controller of the integrated charge function drives three-phase motor, in a power cycles
Interior, common conduction mode can have following eight kinds:
A) unidirectional-single-phase conducting three condition: each state only has phase winding energization, and every phase winding is all to be in back-emf
It is connected in the case where just, or is connected in the case where back-emf is negative；
B) six states are connected in unidirectional-single-phase, two-phase in turn: be powered according to a phase, two-phase is powered mode in turn, every phase around
Group is connected in the case where back-emf is positive, or is connected in the case where back-emf is negative；
C) six states are connected in unidirectional-two-phase in turn: the mode that each state has two-phase to be powered in turn, every phase winding are all
It is connected in the case where back-emf is positive, or is connected in the case where back-emf is negative；
D) two-way-single-phase six state of conducting three-phase: each state only has phase winding energization, and every positive negative direction of phase winding is logical
Electricity；
E) two-way-two be conducted six state of three-phase: each state has two-phase winding energization, every phase winding two-way communication；
F) ten two-states are connected in two-way-single-phase, two-phase in turn: it is powered according to a phase, the mode that two-phase is powered in turn, every phase
Winding two-way communication；
G) ten two-state of three-phase is connected in two-way-two-phase, three-phase in turn: it is powered according to two-phase, the mode that three-phase is powered in turn,
Every phase winding two-way communication；
H) it two-way-three is conducted six states, each state has three-phase windings energization, every phase winding two-way communication.
The H bridge automotive motor controller of the integrated charge function can always work under certain conduction mode at this time,
Conduction mode can be converted according to working condition.
Secondly, the H bridge automotive motor controller of integrated charge function works in charged state, it is desirable that motor must stall,
It is characterized by:
The charging inlet circuit input of the H bridge automotive motor controller of integrated charge function is connected to external ac power source
(single-phase or three-phase alternating-current supply), central controller are switched to phase according to external power supply type, by the output of charging inlet circuit
On the winding connection end for answering H bridge driver unilateral side.When single-phase alternating current access, charging inlet circuit output is connected to two H bridges
On the single armed of driver, two single armed circuits form a single-phase full bridge controlled rectification bridge circuit；When three-phase alternating current access,
Charging inlet circuit output is connected on the single armed of three H bridge drivers, and it is controllably whole that three single armed circuits form a three phase full bridge
Flow bridge circuit.When motor operation, central controller device cuts off charging inlet circuit；The only charging under motor halted state
Mouth circuit just can turn on.When charging, each H bridge driver only has unilateral bridge arm to work, another bridge arm does not work, motor mutually around
Group only has one end to access power supply, not will form current loop.
When charging, central controller disconnects positive switch, connects DCDC switch, and DCDC voltage changing module is being connected to power battery just
Between pole and full-bridge controlled rectification bridge circuit.DCDC voltage changing module can control charging voltage and electric current: single-phase full bridge is controllably whole
When stream bridge circuit output voltage is lower, DCDC voltage changing module raises output voltage values；Three phase full bridge controllable rectifier bridge circuit output
When voltage is higher, DCDC voltage changing module reduces output voltage values.When power battery is charged to saturation fastly, charging current is reduced.
Embodiment: the H bridge automotive motor controller of integrated charge function include: the H bridge driver of polyphase windings (usually
Three-phase), DC power supply bus, positive switch (or relay, similarly hereinafter), negative switch, DCDC voltage changing module, DCDC switch,
Dc-link capacitance, charging inlet circuit, central processing unit.
The H bridge automotive motor controller of integrated charge function works under driving motor state, and central controller is connected just
Pole switch and negative switch disconnect DCDC switch and charging inlet circuit, each H bridge driver power supply of power battery, each H bridge
It is connected to a phase winding of motor.There is no common point between each phase winding of motor, two terminals of every phase winding are all
Extract, be connected to H bridge driver, can the voltage and current to phase winding individually control.Motor can be asynchronous machine, switch
Reluctance motor, synchronous motor, brshless DC motor, but it is not limited to these types of motor.
Illustrate the hair so that the H bridge automotive motor controller of integrated charge function drives three-phase brushless dc motor as an example below
Bright Motor drive function, as shown in Figure 2.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
Three H bridge drivers of the H bridge automotive motor controller of integrated charge function are connected to the three of brshless DC motor
Phase winding, each H bridge driver are connected two-by-two by four switching tubes, are formed in parallel again, one afterflow of each switching tube inverse parallel
Diode.
Central controller detects motor rotor position and current status, controls each H bridge driver forwards/reverse, makes electricity
Each phase winding of machine is powered according to certain rules, powers off, thus allow motor gas-gap magnetic field rotating, driving motor rotor motion.At one
In power cycles, common conduction mode can have following eight kinds, as shown in figure 3, the H bridge electric motor of automobile of the integrated charge function
Controller can always work under certain conduction mode, can also convert conduction mode according to working condition.
A) unidirectional-single-phase conducting three condition: each state only has phase winding energization, and every phase winding is all to be in back-emf
It is connected in the case where just, or is connected in the case where back-emf is negative；
B) six states are connected in unidirectional-single-phase, two-phase in turn: be powered according to a phase, two-phase is powered mode in turn, every phase around
Group is connected in the case where back-emf is positive, or is connected in the case where back-emf is negative；
C) six states are connected in unidirectional-two-phase in turn: the mode that each state has two-phase to be powered in turn, every phase winding are all
It is connected in the case where back-emf is positive, or is connected in the case where back-emf is negative；
D) two-way-single-phase six state of conducting three-phase: each state only has phase winding energization, and every positive negative direction of phase winding is logical
Electricity；
E) two-way-two be conducted six state of three-phase: each state has two-phase winding energization, every phase winding two-way communication；
F) ten two-states are connected in two-way-single-phase, two-phase in turn: it is powered according to a phase, the mode that two-phase is powered in turn, every phase
Winding two-way communication；
G) ten two-state of three-phase is connected in two-way-two-phase, three-phase in turn: it is powered according to two-phase, the mode that three-phase is powered in turn,
Every phase winding two-way communication；
H) it two-way-three is conducted six states, each state has three-phase windings energization, every phase winding two-way communication.
The H bridge automotive motor controller of integrated charge function individually controls every phase winding, and phase winding has forward conduction, closes
Disconnected, three kinds of states of reverse-conducting.Can be in any moment of motor running, three-phase windings one be conducted, two be conducted or
Three are conducted.The issuable armature magnetomotive force of three-phase windings is as shown in figure 4, FA、FB、FCMagnetic when for each phase winding forward conduction
Kinetic potential,Magnetomotive force when for each phase winding reverse-conducting；For the conducting of two phase windings
When synthesis magnetomotive force, wherein a phase winding forward conduction, another phase winding reverse-conducting；For
Synthesis magnetomotive force when three-phase windings are connected, wherein a phase winding forward conduction, another two phase windings reverse-conducting；An or phase winding
Reverse-conducting, another two phase windings forward conduction.
Three are conducted two-way-two to electric machine controller driving three-phase brushless dc motor now in conjunction with Fig. 2 and Fig. 3 (f)
The principle of six state powered-on mode of phase operation is described.
Referring to Fig. 3 (f), the six state powered-on mode of two-phase of open type winding three-phase brshless DC motor: every phase winding have just,
Opposite direction is powered and no power three state, any one state has the conducting of two phase windings, and is an another phase of phase forward conduction
Reverse-conducting, it then followsBe conducted,Be conducted,Be conducted,Be conducted,Be conducted,Be conducted,
Be conducted ... (Indicate A phase be just conducted, B is conducted on the contrary, the phase not marked be off state) recycle be connected in turn
Mode, there are six magnetic state in power cycles:The corresponding 60 ° of electric angles of each magnetic state
Degree.
Motor turns over 360 ° of electrical angles in one power cycles, and when motor often turns over 60 ° of electrical angles, three-phase windings lead to
Electric logical changes are primary, and stator magnetic state just changes once.Each state has the conducting of two phase windings, and every phase winding is all anti-
Potential is connected in the case where being positive, or is connected in the case where back-emf is negative；Flowed through in every phase winding electric current when
Between be equivalent to rotor and rotate 120 ° of electrical angles, the angle of flow of each switching tube is 120 °, is pressed to control each phase winding of motor
Certain sequential working, generates rotating excitation field in motor gas-gap, so that motor be made to rotate.
The H bridge automotive motor controller of integrated charge function works in charged state, and motor must stall at this time, center control
Device processed disconnects positive switch, connects negative switch, DCDC switch and charging inlet circuit.
Such as Fig. 6, the H bridge automotive motor controller of integrated charge function is by three-phase alternating-current supply to power battery charging:
Charging inlet circuit input is connected to three-phase alternating-current supply, and the output of charging inlet circuit terminates to the unilateral side of three H bridge drivers
On winding connection end, each H bridge driver of central controller controls only has unilateral bridge arm to work, another bridge arm does not work, electricity
Machine phase winding only has one end to access power supply, not will form current loop.Three-phase alternating-current supply is connected to the single armed of three H bridge drivers
On, three single armed circuits form a three phase full bridge controlled rectification bridge circuit.
DCDC voltage changing module access bus anode in charging, according to the big of three phase full bridge controllable rectifier bridge output voltage
It is small, it adjusts output voltage and charges to power battery.When three phase full bridge controllable rectifier bridge circuit output voltage is lower, DCDC
Voltage changing module raises output voltage values；When three phase full bridge controllable rectifier bridge circuit output voltage is higher, DCDC voltage changing module drop
Low output voltage value.
Similarly, the H bridge automotive motor controller of integrated charge function passes through single phase alternating current power supply to power battery charging, such as
Fig. 7, charging inlet circuit input connect single phase alternating current power supply, and output terminates on the winding connection end of two H bridge driver unilateral side,
Two single armed circuits form a single-phase phase full-bridge controlled rectification bridge circuit, and DCDC voltage changing module adjusts output voltage to power electric
It charges in pond.
Claims (9)
1. a kind of H bridge automotive motor controller of integrated charge function, it is characterised in that: including electric machine controller, motor mutually around
Group, charging interface, communicating circuit are separately connected power battery, motor phase windings, charge power supply, communication outside electric machine controller
Circuit, the electric machine controller include power battery, the positive and negative electrode switch and connection that the DC bus at battery both ends is separately connected
In the DCDC voltage changing module of anode, the DC bus at battery both ends is connect with the both ends of H bridge driver respectively, the driving of H bridge
Device is connect with charging interface.
2. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the H bridge driving
Device is polyphase windings, respectively corresponds machine winding quantity.
3. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the H bridge driving
Device composes in parallel again after being connected two-by-two by four switching tubes, one freewheeling diode of each switching tube inverse parallel.
4. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the motor
Two terminals of every phase winding all extract, and do not have common point between each phase winding.
5. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the motor
Every phase winding both ends are respectively connected to individual H bridge driver.
6. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the positive and negative anodes
Preliminary filling resistance is also connected between switch and H bridge driver.
7. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the motor around
Group is three-phase, corresponding three H bridge drivers.
8. the H bridge automotive motor controller of integrated charge function as claimed in claim 7, it is characterised in that: three-phase windings are logical
Electric mode are as follows:
A) unidirectional-single-phase conducting three condition；
B) six states are connected in unidirectional-single-phase, two-phase in turn；
C) three condition is connected in unidirectional-two-phase in turn；
D) two-way-single-phase six state of conducting three-phase；
E) ten two-states are connected in two-way-single-phase, two-phase in turn；
F) it two-way-two is conducted six state of three-phase；
G) ten two-states are connected in two-way-two-phase, three-phase in turn；
H) it two-way-three is conducted six states.
9. the H bridge automotive motor controller of integrated charge function as described in claim 1, it is characterised in that: the battery two
Bus capacitor is also connected between the DC bus at end.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112440782B (en) * | 2019-08-30 | 2022-06-14 | 比亚迪股份有限公司 | Electric automobile and control method and device of charging system of electric automobile |
| CN111200308A (en) * | 2020-02-23 | 2020-05-26 | 义乌吉利动力总成有限公司 | Charging circuit and device integrated in double-motor control system |
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