CN110061678A - A kind of electric excitation biconvex electrode electric machine driving charging integration system - Google Patents
A kind of electric excitation biconvex electrode electric machine driving charging integration system Download PDFInfo
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- CN110061678A CN110061678A CN201910289038.8A CN201910289038A CN110061678A CN 110061678 A CN110061678 A CN 110061678A CN 201910289038 A CN201910289038 A CN 201910289038A CN 110061678 A CN110061678 A CN 110061678A
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- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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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
Abstract
The invention discloses a kind of electric excitation biconvex electrode electric machine driving charging integration system and its method, system includes battery, the first to the 6th switching tube, the first switching switch, double salient-pole electric machine, DC filter capacitor, three-phase bridge type converter, electromagnetic interface filter and the second switching switch.The present invention is integrated using double salient-pole electric machine Split type excitation winding and DC/DC converter inductance, the excitation control circuit of electric excitation biconvex electrode electric machine and system booster circuit are combined, reduce system bulk and weight, keep its structure more compact, and reduce loss, in conjunction with driving and charge control method, so that having net side High Power Factor under charge mode, motor output torque is pulsed small feature under drive mode, gives full play to that electric excitation biconvex electrode electric machine system reliability is high, the range of speeds is wide, high efficiency, the advantage of high fault tolerance.
Description
Technical field
The present invention relates to electric system and control field more particularly to a kind of electric excitation biconvex electrode electric machine driving charging one
Change system.
Background technique
The problems such as with environmental pollution and lack of energy, gets worse, and finds new energy and replaces fossil fuel at the world
The hot topic of various countries' research.New-energy automobile has the characteristics that energy conservation and environmental protection, the relevant technologies and industry are quickly sent out because of it
Exhibition.Compared with hybrid vehicle, pure electric automobile uses single electric energy, internal structure because without machine driven system and
Great simplification has been obtained, while having also reduced the mechanical loss and noise of automobile, has been the main development of current new-energy automobile
Direction.
Currently, used motor has induction machine, permanent magnet synchronous motor and switched reluctance machines on electric car, they
There is respective, also to have oneself applicable occasion when operation.Induction machine is compact-sized, small in size, light-weight, torque arteries and veins
Move it is low and cheap, it is easy to maintain, even if inverter damage generate short circuit when there will not be counter electromotive force, so will not send out
Raw a possibility that bringing to a halt, but the disadvantages of power factor is lower, speed adjusting performance is poor is the principal element for limiting its development, it is main at present
To be suitable for high speed, powerful occasion, wherein using using tesla, U.S. electric car as some companies of representative new
Type high efficiency AC induction motor.
Domestic generally to use main driving motor of the permanent magnet synchronous motor as electric car, power factor is big, efficiency
Height greatly simplifies structure due to saving the elements such as excitation winding, easy to maintain, but due to permanent-magnet material be vibrated,
Its magnetic property of situations such as high temperature will appear the case where decline is even demagnetized, so its control is complex, and rare earth material
As its growing price of demand is also constantly riseing, cost problem will be more and more obvious.
Switched reluctance machines be latest generation after frequency conversion speed-adjusting system and Speed Regulating System of Brushless DC Motor without
Grade speed-regulating system, compared to the above motor, its structure is the simplest, and the range of speeds is wide, and control is flexibly, it can be achieved that four-quadrant is transported
Row, but it has that output torque fluctuates larger and noise.
Double salient-pole electric machine be the nineties in last century famous American motor expert T.A.Lipo etc. in traditional magnetic resistance class motor base
A kind of motor with novel arrangement proposed on plinth, it is available in the driving charging integration system of electric car widely to answer
With.Since the motor increases set of excitation device on the stator (or rotor) of switched reluctance machines, so having brushless straight
Galvanic electricity machine strong antijamming capability, electrical component is few, the simple feature of structure, at the same it is at low cost, power factor is high, but exciting current
There is mutual association between armature supply and the size of exciting current can not be directly controlled.
At present on the market to power battery charging mode it is usual there are two types of, one is charge independence systems, and one is vehicles
Carry charging system.Charge independence system is charged the battery using direct current of ground charging pile, but its vehicle-mounted space of occupancy is big, simultaneously also
It needs to configure
Ground fast charging device is invested larger.And vehicle-mounted charge is although more convenient, flexibility is good, but charging rate is slow, when
Between it is long, and will increase curb weight.And the electric excitation biconvex electrode electric machine driving charging one with Split type excitation winding
The drive system that change system can use motor carries out vehicle-mounted charge, and the loss of system is reduced while reducing device, because
This, studying powerful driving charging integration system has greatly value.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of electrical excitation for defect involved in background technique
Double salient-pole electric machine drives charging integration system.
The present invention uses following technical scheme to solve above-mentioned technical problem:
A kind of electric excitation biconvex electrode electric machine driving charging integration system, cuts comprising battery, the first to the 6th switching tube, first
Change switch, double salient-pole electric machine, DC filter capacitor, three-phase bridge type converter, electromagnetic interface filter and the second switching switch；
The excitation winding of the double salient-pole electric machine, which is cut off, is divided into isometric two sections, i.e. the first excitation winding section, the second excitation around
Group section, and the threephase armature winding of double salient-pole electric machine is Open architecture；
The second switching switch is three-phase single-pole double-throw switch (SPDT), and one side is connected by electromagnetic interface filter with external electrical network, another
Side is connected with one end of double salient-pole electric machine threephase armature winding correspondence；The double salient-pole electric machine threephase armature winding it is another
End is connected with the midpoint of three bridge arms of three-phase bridge type converter correspondence respectively；
Described first to the 6th switching tube, the first switching switch and the first excitation winding section, the second excitation winding composition fill
Discharge DC/DC converter, wherein first to third switching tube composition charge and discharge DC/DC converter input bridge arm, the 4th to the
The output bridge arm of six switching tubes composition charge and discharge DC/DC converter；It opens one end of the first excitation winding section and described first
Guan Guan, the midpoint of second switch are connected, and the other end is connected with the midpoint of the 4th switching tube, the 5th switching tube；Described
One end of two excitation winding sections is connected with the midpoint of the second switch, third switching tube, the other end and the 5th switch
Pipe, the midpoint of the 6th switching tube are connected；The emitter of the third switching tube passes through the first switching switch and the 6th switch
The emitter of pipe is connected；
The both ends of the input bridge arm of the charge and discharge DC/DC converter are connected with the both ends of the battery, and charge and discharge DC/DC becomes
The both ends of the output bridge arm of parallel operation are mutually cascaded by the DC filter capacitor with the three-phase bridge type converter.
When being in drive mode the present invention also provides a kind of electric excitation biconvex electrode electric machine driving charging integration system
Control method:
Second switching closes the switch, and by the threephase armature winding ends short circuit of electric excitation biconvex electrode electric machine, so that it is formed star and connects
Mode is connect, electromagnetic interface filter does not work, and disconnects the connection with power grid；
First switching closes the switch, and charge and discharge DC/DC converter is switched to Boost, works in boost mode, first,
Second switch is open-minded, and third, the shutdown of the 4th switching tube, the five, the 6th switching tubes work in PWM chopping mode, the first excitation
Winding segments and the second excitation winding section equivalent parallel, at this point, charge and discharge DC/DC converter promotes the voltage of battery, through rear class
The operating of three-phase bridge inverter driving motor.
When being in charge mode the present invention also provides a kind of electric excitation biconvex electrode electric machine driving charging integration system
Control method:
Second switching switch is opened, and the threephase armature winding ends of electric excitation biconvex electrode electric machine connect with electromagnetic interface filter, are equivalent to
Three-phase filter inductance；
When system is in charge mode, the first switching switch is opened, and charge and discharge DC/DC converter is switched to Buck converter,
4th switching tube works in PWM chopping mode, and the 6th switching tube is open-minded, the shutdown of the first, second, third, the 5th switching tube, the
One excitation winding section and the second equivalent differential concatenation of excitation winding section realize electric excitation biconvex electrode electric machine demagnetization function, three-phase bridge
Formula converter works in PWM rectifier mode, and three-phase alternating current is changed into direct current, is depressured using Buck converter to storage
Battery charging.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
Double salient-pole electric machine Split type excitation winding and DC/DC converter inductance are integrated by the present invention, by electric excitation biconvex electrode electricity
The excitation control circuit and system booster circuit of machine combine, so that mobile unit structure more simplifies, reduce ground
It is again lighter than vehicle-mounted charge weight while charging expense, and converted by double salient-pole electric machine Split type excitation winding and DC/DC
Device inductance is integrated, and has saved the energy, is reduced costs, while double salient-pole electric machine is big with power density, output torque is high
Advantage；Driving and charging both of which switch switch K2 by charge and discharge and obtain reliable and effective switching, successfully realize electricity
Electrical automobile and grid network realize the two-way flow of vehicle and power grid energy by dispatching of power netwoks.
Under drive mode, the excitation control circuit of electric excitation biconvex electrode electric machine and system booster circuit are integrated to by the present invention
Together, the additional field power supply that traditional electric excitation biconvex electrode electric machine is used for excitation in the drive mode is eliminated, is solved opposite
There is excitation loss in magneto, reduce device and reduce system overall losses, improve operational efficiency.
Under charge mode, the switching tube arrangement for the DC/DC converter that the present invention designs is not necessarily to DC/DC transducer side
Two sections of Split type excitation winding differential concatenations can be realized in additional switching switch, and double salient-pole electric machine generates after armature winding is powered
Positive and negative torque can offset, so that motor torque be inhibited to export, reduce excess loss.
Detailed description of the invention
Fig. 1 is the driving charging integration system structural schematic diagram of electric excitation biconvex electrode electric machine excitation winding multiplexing；
Fig. 2 is the excitation winding connected mode schematic diagram for 12/10 pole electric excitation biconvex electrode electric machine；
Fig. 3 is that 4 sections of excitation winding series connection of electric excitation biconvex electrode electric machine are two sections of excitation winding schematic diagrames；
Fig. 4 is that 4 sections of excitation winding parallel connections of electric excitation biconvex electrode electric machine are two sections of excitation winding schematic diagrames；
Fig. 5 is the current simulations waveform of the motor Split type excitation winding F1 under drive mode in motor starting process；
Fig. 6 is the DC/DC converter outlet side voltage simulation waveform under drive mode in motor starting process；
Fig. 7 is the motor speed simulation waveform under drive mode in motor starting process；
Fig. 8 is armature current simulations waveform under charge mode；
Fig. 9 is battery charge simulation waveform under charge mode.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
The present invention can be embodied in many different forms, and should not be assumed that be limited to the embodiments described herein.On the contrary, providing
These embodiments are thoroughly and complete to make the disclosure, and will give full expression to the scope of the present invention to those skilled in the art.
In the accompanying drawings, for the sake of clarity it is exaggerated component.
In order to reduce driving charging integration system volume and weight, keep its structure more compact, and reduce loss,
There is net side High Power Factor, motor output torque pulsation is small under drive mode, gives full play to electric excitation dual protrusion under charge mode
Pole electric system high reliablity, the range of speeds be wide, high efficiency, the advantage of high fault tolerance, and the invention proposes one kind to have division
The electric excitation biconvex electrode electric machine driving charging integration system and its control method of formula excitation winding, as shown in Figure 1, the present embodiment
It is a kind of electric excitation biconvex electrode electric machine driving charging integration system with Split type excitation winding, which mainly includes storing
Battery, charge and discharge DC/DC converter, double salient-pole electric machine, three-phase bridge type converter, electromagnetic interface filter with division excitation winding
Switch with charge and discharge and switchs.
Electric excitation biconvex electrode electric machine uses 12/10 pole structure, the arrangement of armature winding and excitation winding as shown in Fig. 2,
The excitation winding of double salient-pole electric machine can also be cut into several sections, when the excitation winding number of segment that double salient-pole electric machine is formed by cutting is big
When two sections, the mode that serial or parallel connection can be used forms two sections of excitation windings, is illustrated in figure 34 sections of excitation windings and is connected into
Two sections of schematic diagram is illustrated in figure 44 sections of excitation windings and is unified into two sections of schematic diagram.
Battery connect charge and discharge DC/DC converter input terminal, double salient-pole electric machine Split type excitation winding multiplexing in
Charge and discharge DC/DC converter, the output of DC/DC converter are mutually cascaded by DC side filter capacitor with three-phase bridge type converter, electricity
The armature winding of excitation biconvex electrode electric machine is Open architecture, is connected to three-phase single-pole double-throw switch (SPDT) charge and discharge switching switch K2.
System switches the switching that switch K2 realizes driving, charged state by charge and discharge.When system is in drive mode, fill
Electric discharge switching switch K2 is in closed state, by the threephase armature winding ends short circuit of electric excitation biconvex electrode electric machine, makes its composition
Star-like connection mode, electromagnetic interface filter do not work, and disconnect the connection with power grid；When system is in charge mode, charge and discharge switching is opened
K2 is closed to automatically open by power grid electric energy, the threephase armature winding ends of electric excitation biconvex electrode electric machine are connect with electromagnetic interface filter, etc.
Effect is three-phase filter inductance.
Charge and discharge DC/DC converter is by 6 switching tube S1~S6, switching switch K1, an electric excitation biconvex electrode electric machine
Split type excitation winding F1 and F2 and filter capacitor C1 are constituted, and three switching tubes S1, S2 and S3 constitute a bridge arm, S1, S2
Midpoint and the midpoint of S2, S3 be respectively connected to one end of two sections of excitation windings of electric excitation biconvex electrode electric machine, switching tube S4, S5,
S6 constitutes another bridge arm, the midpoint of S4, S5 and the midpoint of S5, S6 be respectively connected to two sections of excitations of electric excitation biconvex electrode electric machine around
The other end of group, switching tube K1 are located among two bridge arms, and filter capacitor C1 is located at the output end of charge and discharge DC/DC converter.
Charge and discharge DC/DC converter uses Double closed-loop of voltage and current mode, acquires battery and capacitance voltage respectively,
To capacitance voltage closed-loop control in discharge process, to battery voltage closed-loop control in charging process, according to system operating mode
Switch voltage close loop control module, and exports to electric current loop as given value of current, compared with the actual current of feedback, through electric current tune
Section device generates pwm control signal and selectively controls S4, S5, S6, realizes and exports to exciting current and charge and discharge DC/DC converter
The adjusting of voltage.
Under drive mode, switch switch K1Closure, charge and discharge DC/DC converter are switched to Boost, work in liter
Die pressing type promotes the voltage of battery, operates through rear class three-phase bridge inverter driving motor.
Switching tube S1, S2 pipe are open-minded, control the size of output voltage, the shutdown of S3, S4 pipe, and S5, S6 pipe work in PWM copped wave
Mode, Split type excitation winding F1 and F2 equivalent parallel, in the case where S1, S2 duty ratio determine, by adjusting accounting for for S5, S6
The exciting current control to two sections of excitation windings may be implemented in empty ratio.
By the duty ratio of the adjustable each switching tube of pi regulator, thus excitation electricity when adjusting driving operating status
The busbar voltage of size and DC/DC converter outlet side is flowed, the parameter of pi regulator affects the process of the dynamic response of system,
Power feedforward can be adjusted and be added in controller, in order to fast implement dynamic response process and increase the stabilization of system
Property, finally make the duty ratio of each switching tube and the size of exciting current and DC/DC converter export side bus voltage and meets
The requirement of the range of given three-phase bridge type converter input direct-current voltage.
In the drive mode, the position signal of double salient-pole electric machine, the inverter switching device pipe of three-phase bridge type converter need to be acquired
S7-S12 is turned on and off according to the switch conduction logic of conventional ADS driving electric excitation biconvex electrode electric machine, is examined by current sensor
It surveys threephase armature winding current and carries out closed-loop control, then electromagnetic torque is exported by instruction control motor.
Under charge mode, switch switch K1It opens, charge and discharge DC/DC converter is switched to Buck converter, three-phase bridge
Converter works in PWM rectifier mode, and three-phase alternating current is changed into direct current, is depressured using Buck converter to electric power storage
Pond charging.
S4 pipe works in PWM chopping mode, and S6 pipe is open-minded, the shutdown of S1, S2, S3, S5 pipe, Split type excitation winding F1 and F2
Equivalent differential concatenation realizes electric excitation biconvex electrode electric machine demagnetization function.
Governor circuit is by adjusting duty ratio D come control switch pipe S1-S6.By between input voltage and output voltage
Relationship Vo=DVi it is found that the impulse waveform that we only need the duty ratio D(of control switch pipe to be defined as control power tube is led
Logical the ratio between time and its period, value is always less than 1), so that it may achieve the effect that decompression.When battery charge is bigger than normal
When, reduce duty ratio；When charging current is less than normal, increase duty ratio.
Test case one:
There is the electric excitation biconvex electrode electric machine driving charging integration system of Split type excitation winding according to specific embodiment control
System carries out the emulation of motor driven process, gives simulation parameter: DC/DC converter output terminal given voltage 250V；Motor uses
12/10 pole electric excitation biconvex electrode electric machine, the armature winding self-induction are steady state value 10mH, and mutual inductance is steady state value between armature winding
4.6mH, Split type excitation winding self-induction are steady state value 210mH, and mutual inductance is 0mH, armature winding resistance 0.23 between excitation winding
Ω, excitation winding resistance are 6.2 Ω；Motor given rotating speed 600rpm, gives every section of excitation winding electric current 25A, and motor band perseverance turns
Square load, motor rotary inertia 20kgm2, capacitor's capacity size is 1.5mF in circuit.Split type is encouraged during motor driven
The current simulations waveform of magnetic winding F1 as shown in figure 5, DC/DC converter outlet side voltage simulation waveform as shown in fig. 6, motor turns
Fast simulation waveform is as shown in Figure 7.Wherein, 0.4s is transient process when electric motor starting accelerates before simulation waveform, is electricity after 0.4s
Machine exciting current, DC/DC converter output voltage and motor speed reach the situation after stable state.
As shown in figure 5, during driving electric current there are ripple, this is because the commutation of armature winding electric current and armature winding and
Mutual inductance between excitation winding causes, and equally exists under traditional system for controlling exciting current in a manner of separate excitation.Such as Fig. 6 institute
Show, when motor is in acceleration mode, DC/DC converter output voltage will appear certain overshoot, but then due to voltage
Closed-loop control, output voltage can be stablized near given voltage.As shown in fig. 7, motor may be implemented to compare in test case
Stable accelerator, and eventually settling near given rotating speed.
The test case verifies system set forth in the present invention can be in Split type excitation winding and DC/DC converter inductance
The control to motor energization current and motor driven voltage is realized in the case where being integrated, so that motor can normally drive
It is dynamic.
Test case two:
There is the electric excitation biconvex electrode electric machine driving charging integration system of Split type excitation winding according to specific embodiment control
System carries out the emulation of high-power charging after connecting three phase network, and give simulation parameter: motor uses 12/10 pole electric excitation dual protrusion
Pole motor, the armature winding self-induction are steady state value 10mH, and mutual inductance is steady state value 4.6mH, Split type excitation between armature winding
Winding self-induction is steady state value 210mH, and mutual inductance is 0mH between excitation winding, and armature winding resistance is 0.23 Ω, and excitation winding resistance is
6.2Ω；Given charging current 3A, DC/DC converter capacitance voltage 135V, capacitor's capacity size are 0.15mF.
Armature current simulations waveform under charge mode is as shown in figure 8, threephase armature electric current can be controlled by SPWM in figure
System realizes its sineization, and due to filtering without electromagnetic interface filter, there are higher hamonic waves in the electric current.
Battery charge simulation waveform is as shown in Figure 9 under charge mode, it can be seen that the electric current is eventually stable in 3A
Left and right.
The test case verifies system set forth in the present invention, can be realized by three phase network to the big function of the high speed of battery
Rate charging.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (3)
1. a kind of electric excitation biconvex electrode electric machine drives charging integration system, which is characterized in that include battery, first to the 6th
Switching tube, the first switching switch, double salient-pole electric machine, DC filter capacitor, three-phase bridge type converter, electromagnetic interface filter and second are cut
Change switch；
The excitation winding of the double salient-pole electric machine, which is cut off, is divided into isometric two sections, i.e. the first excitation winding section, the second excitation around
Group section, and the threephase armature winding of double salient-pole electric machine is Open architecture；
The second switching switch is three-phase single-pole double-throw switch (SPDT), and one side is connected by electromagnetic interface filter with external electrical network, another
Side is connected with one end of double salient-pole electric machine threephase armature winding correspondence；The double salient-pole electric machine threephase armature winding it is another
End is connected with the midpoint of three bridge arms of three-phase bridge type converter correspondence respectively；
Described first to the 6th switching tube, the first switching switch and the first excitation winding section, the second excitation winding composition fill
Discharge DC/DC converter, wherein first to third switching tube composition charge and discharge DC/DC converter input bridge arm, the 4th to the
The output bridge arm of six switching tubes composition charge and discharge DC/DC converter；It opens one end of the first excitation winding section and described first
Guan Guan, the midpoint of second switch are connected, and the other end is connected with the midpoint of the 4th switching tube, the 5th switching tube；Described
One end of two excitation winding sections is connected with the midpoint of the second switch, third switching tube, the other end and the 5th switch
Pipe, the midpoint of the 6th switching tube are connected；The emitter of the third switching tube passes through the first switching switch and the 6th switch
The emitter of pipe is connected；
The both ends of the input bridge arm of the charge and discharge DC/DC converter are connected with the both ends of the battery, and charge and discharge DC/DC becomes
The both ends of the output bridge arm of parallel operation are mutually cascaded by the DC filter capacitor with the three-phase bridge type converter.
2. based on the control method of electric excitation biconvex electrode electric machine described in claim 1 driving charging integration system, feature
It is, the control method when electric excitation biconvex electrode electric machine drives charging integration system to be in drive mode is as follows:
Second switching closes the switch, and by the threephase armature winding ends short circuit of electric excitation biconvex electrode electric machine, so that it is formed star and connects
Mode is connect, electromagnetic interface filter does not work, and disconnects the connection with power grid；
First switching closes the switch, and charge and discharge DC/DC converter is switched to Boost, works in boost mode, first,
Second switch is open-minded, and third, the shutdown of the 4th switching tube, the five, the 6th switching tubes work in PWM chopping mode, the first excitation
Winding segments and the second excitation winding section equivalent parallel, at this point, charge and discharge DC/DC converter promotes the voltage of battery, through rear class
The operating of three-phase bridge inverter driving motor.
3. based on the control method of electric excitation biconvex electrode electric machine described in claim 1 driving charging integration system, feature
It is, the control method when electric excitation biconvex electrode electric machine drives charging integration system to be in charge mode is as follows:
Second switching switch is opened, and the threephase armature winding ends of electric excitation biconvex electrode electric machine connect with electromagnetic interface filter, are equivalent to
Three-phase filter inductance；
When system is in charge mode, the first switching switch is opened, and charge and discharge DC/DC converter is switched to Buck converter,
4th switching tube works in PWM chopping mode, and the 6th switching tube is open-minded, the shutdown of the first, second, third, the 5th switching tube, and first
Excitation winding section and the second equivalent differential concatenation of excitation winding section realize electric excitation biconvex electrode electric machine demagnetization function, three-phase bridge
Converter works in PWM rectifier mode, and three-phase alternating current is changed into direct current, is depressured using Buck converter to electric power storage
Pond charging.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113676095A (en) * | 2021-07-08 | 2021-11-19 | 南京航空航天大学 | Current cooperative control method of doubly salient electro-magnetic motor driving and charging integrated system |
| CN113676110A (en) * | 2021-08-02 | 2021-11-19 | 南京航空航天大学 | Pre-stage decoupling control method for driving and charging integrated system of electro-magnetic doubly salient motor |
| CN114142507A (en) * | 2021-12-03 | 2022-03-04 | 东南大学 | V2G system and integrated filter design method suitable for V2G system |
| CN114285313A (en) * | 2021-12-28 | 2022-04-05 | 哈尔滨工业大学 | Three-phase integrated charging system for improving grid-side inductance based on pulse vibration magnetomotive force offset method |
| CN114337455A (en) * | 2021-12-31 | 2022-04-12 | 西比里电机技术(苏州)有限公司 | Drive topology circuit of low-voltage motor |
| CN114865983A (en) * | 2022-06-02 | 2022-08-05 | 南京航空航天大学 | Three-phase alternating current speed regulation system for multiplexing excitation winding |
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