CN106685269A - Inverter topological structure used for dual motors - Google Patents
Inverter topological structure used for dual motors Download PDFInfo
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- CN106685269A CN106685269A CN201611132149.0A CN201611132149A CN106685269A CN 106685269 A CN106685269 A CN 106685269A CN 201611132149 A CN201611132149 A CN 201611132149A CN 106685269 A CN106685269 A CN 106685269A
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- switching tube
- bridge arm
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- electric capacity
- switch pipe
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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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides an inverter topological structure used for dual motors. The inverter topological structure comprises a positive bus, a negative bus, a first capacitor, a second capacitor, a first switching tube bridge arm, a second switching tube bridge arm, a third switching tube bridge arm, a fourth switching tube bridge arm and a fifth switching tube bridge arm, wherein the first capacitor and the second capacitor are connected in series between the positive bus and the negative bus; a first motor of the dual motors is connected with the first capacitor, the second capacitor, the first switching tube bridge arm and the second switching tube bridge arm separately to form control connection between the first motor and a three-phase four-switch inverter; and the second motor of the dual motors is connected with the third switching tube bridge arm, the fourth switching tube bridge arm and the fifth switching tube bridge arm separately to form control connection between the second motor and a three-phase voltage type full-bridge inverter. The inverter topological structure used for the dual motors provided by the invention can realize actual independent control; and the control is simpler and the control effect is better.
Description
Technical field
The present invention relates to motor control technology field, in particular it relates to a kind of inverter topology for bi-motor.
Background technology
In recent years, in the application of many industrial circles, for example：Oil exploitation, electric/hybrid automobile, aviation boat
It etc., it is often necessary to which multiple electric motors are carried out with high performance control, the inverter topology of single motor can not meet reality
Demand, the inverter topology and control strategy of bi-motor become the focus of Recent study, it is contemplated that cost and control
Effect, is all at present the public several switching tubes of two motors or electric capacity, and then common SPWM or SVPWM are carried out accordingly
Improve.
Find through retrieval：
Shi Tingna, Zhang Bijun, Liu Tao etc. exist《Proceedings of the CSEE》(2015,35(6):Deliver in 1498-1507)
's《Double permagnetic synchronous motor system duty cycles optimization modulation strategy [J] that five leg inverters drive》, this paper refer to
A kind of five bridge arm topologicals, as shown in Figure 1.This topology has five bridge arms, the public one of bridge arm of two motors, this to open up
Flutter because a public bridge arm to SPWMM or SVPWM using common SPWM or SVPWM can not need to be made and be changed accordingly
Become, control more complicated.
Ledezma E,Munoz-Garcia A,Lipo T A.A dual three-phase drive system
with a reduced switch count[J].1998,1:781-788vol.1, this paper refer to a kind of four bridge legs
Topology, as shown in Figure 2.This topology uses the mode of two traditional Four-switch converter public direct-flow bus wire electric capacity, this
The problem that belt transect comes is that single motor can only carry out the control of three bridge arms by controlling two bridge arms, and two bridge arms of control show
So than controlling, three bridge arms are difficult and effect is worse, and the electric current on electric capacity is determined by the public phase current sum of two motors
So voltage pulsation on electric capacity can be than larger.
Gao F,Zhang L,Li D,et al.Optimal pulsewidth modulation of nine-switch
inverter[J].IEEE Transactions on Power Electronics,2010,25(9):2331-2343, this piece
Paper proposes a kind of nine switch topology, as shown in Figure 3.This topology time adopts three bridge arms, has three to open on each bridge arm
Guan Guan, two motors public centre three switching tubes Q2, Q5, Q8, motor 1 using six switching tube Q1 above, Q4, Q7, Q2,
Q5, Q8, motor 2 uses following six switching tubes Q2, Q5, Q8, Q3, Q6, Q9.The problem that this topology is brought is, when the work of motor 1
When making, lower three switching tube Q3, Q6, Q9 must be all turned on, and motor 2 is just out of control, upper three switching tubes Q1 when corresponding motor 2 works,
Q4, Q7 must be all open-minded, and motor 1 is just out of control.Generally speaking, difficulty is controlled higher, it is difficult to independent control.
The topology of existing bi-motor has the disadvantage to be required for public switch pipe or electric capacity, thus using traditional SPWM or
SVPWM motors are not normally functioning, and need to be SPWM or SVPWM corresponding change, and like this control difficulty is uprised,
And control effect is not as using traditional SPWM or SVPWM.
Find through retrieval：Number of patent application is 201510032368.0, entitled《Dual-motors Driving inverter》
Chinese patent application, it is proposed that a kind of new bi-motor topology, as shown in Figure 10.Wherein, the first centrage of the first motor
It is connected with positive bus-bar, the three-phase of the first motor connects respectively the midpoint of three switching tube bridge arms, the second centrage of the second motor
Be connected with negative busbar, the three-phase of the second motor connects respectively the midpoint of the other three switching tube bridge arm, each switching tube bridge arm by
Whether one transistor and a diode composition, each switching tube pipe turns on, and determines the electricity being connected with the switching tube bridge arm
The phase voltage of machine, recycles the dutycycle of each switching tube bridge arm, carrys out the operating of controlled motor.The topology that the patent application is proposed
Although switching tube quantity used only has 6, this topology sacrifices the independence of two motor rotations, two motors because
It is public three bridge arms so it is difficult to independent operation.
Currently without the explanation or report that find technology similar to the present invention, money similar both at home and abroad is also not yet collected
Material.
The content of the invention
Two motors of inverter topology for bi-motor traditional present in prior art of the invention are generally public to be opened
Close that the control that pipe or capacitor strap come is complicated, be difficult to the problems such as really realizing independent control, it is proposed that a kind of for bi-motor
Inverter topology, the topological structure is truly realized two motors not common switch pipe or electric capacity, has been really achieved two
The independent control of motor, control difficulty is also greatly reduced.
For achieving the above object, the present invention is achieved by the following technical solutions.
A kind of inverter topology for bi-motor, including positive bus-bar, negative busbar, the first electric capacity, the second electric capacity,
One switching tube bridge arm, second switch pipe bridge arm, the 3rd switching tube bridge arm, the 4th switching tube bridge arm and the 5th switching tube bridge arm,
The first switch pipe bridge arm, second switch pipe bridge arm, the 3rd switching tube bridge arm, the 4th switching tube bridge arm and the 5th switching tube
Bridge arm is connected between positive bus-bar, negative busbar, and parallel relationship each other between five bridge arms；First electric capacity and second electric
Appearance is connected in series between positive bus-bar and negative busbar, series arm and five bridge arms that first electric capacity and the second electric capacity are formed
Between form parallel relationship；
First electric capacity, the second electric capacity, first switch pipe bridge arm and second switch pipe bridge arm composition three-phase four switchs inverse
Become device, the 3rd switching tube bridge arm, the 4th switching tube bridge arm and the 5th switching tube bridge arm constitute three-phase voltage type full-bridge inverting
Device；
The three-phase power line of the first motor in bi-motor series arm respectively with the first electric capacity and the second electric capacity, first
Switching tube bridge arm, second switch pipe bridge arm are connected, and form the first motor and are connected with the control of three-phase Four-switch converter；
The second motor three-phase power line in bi-motor respectively with the 3rd switching tube bridge arm, the 4th switching tube bridge arm, the 5th
Switching tube bridge arm connects, and forms the second motor and is connected with the control of three-phase voltage type full-bridge inverter.
Preferably：
The first switch pipe bridge arm, including first switch pipe and second switch pipe, the first switch pipe and second is opened
Close pipe to be connected in series between positive bus-bar and negative busbar；
The second switch pipe bridge arm, including the 3rd switching tube and the 4th switching tube, the 3rd switching tube and the 4th is opened
Close pipe to be connected in series between positive bus-bar and negative busbar；
The three-phase power line of the first motor, is connected between the first electric capacity and the second electric capacity, first switch pipe and
Between two switching tubes, between the 3rd switching tube and the 4th switching tube.
Preferably, the 3rd switching tube bridge arm, including the 5th switching tube and the 6th switching tube, the 5th switching tube and
6th switching tube is connected in series between positive bus-bar and negative busbar；
The 4th switching tube bridge arm, including the 7th switching tube and the 8th switching tube, the 7th switching tube and the 8th is opened
Close pipe to be connected in series between positive bus-bar and negative busbar；
The 5th switching tube bridge arm, including the 9th switching tube and the tenth switching tube, the 9th switching tube and the tenth is opened
Close pipe to be connected in series between positive bus-bar and negative busbar；
The three-phase power line of the second motor, is connected between the 5th switching tube and the 6th switching tube, the 7th switching tube
And the 8th between switching tube, between the 9th switching tube and the tenth switching tube.
Preferably, first electric capacity and the second electric capacity are respectively electrochemical capacitor.
Preferably, the described first~the tenth switching tube adopts metal-oxide-semiconductor, IGBT (insulated gate bipolar transistor) or bipolarity
Transistor (bipolar transistor).
Provided by the present invention for the inverter topology of bi-motor, using two series capacitances and five switching tubes
Bridge arm, can regard the first motor as and be controlled by three-phase Four-switch converter, and the second motor is by three-phase voltage type full-bridge inverter control
System.
Provided by the present invention for the inverter topology of bi-motor, its topological structure is seemed and existing five bridge arm topological
Structure is the same, there is very big difference in fact：The public bridge arm of two motors in existing five bridge arm topologicals structure, and in the present invention
Two motors of topological structure do not share a bridge arm, the first motor is connected with three-phase Four-switch converter, the second motor
It is connected with three-phase voltage type full-bridge inverter, the control between two motors will not influence each other, controls simpler and imitate
Fruit more preferably, but the number of switches for adopting is but such as existing five bridge arm topologicals structure, so this topological structure compares it
Front bi-motor topology is very big improvement.
Specifically in control, the first motor can be controlled according to the control to common three-phase Four-switch converter,
The second motor is controlled according to the control to three-phase voltage-type inverter.
Compared with prior art, the present invention has the advantages that：
Provided by the present invention for the inverter topology of bi-motor, independent control can be really realized, be controlled simpler
It is single, and control effect is more preferable.
Description of the drawings
The detailed description by reading non-limiting example made with reference to the following drawings, the further feature of the present invention,
Objects and advantages will become more apparent upon：
Fig. 1 is existing five bridge arms main circuit structure；
Fig. 2 is existing four bridge legs main circuit structure；
Fig. 3 is existing nine switch main circuits structure；
Fig. 4 is the inverter topology schematic diagram provided by the present invention for bi-motor；
Fig. 5 is the inverter side control method schematic diagram of the first motor/the second motor in the embodiment of the present invention；
Fig. 6 is the rotating-speed tracking waveform of the first motor；
Fig. 7 is the rotating-speed tracking waveform of the second motor；
Fig. 8 is the torque tracking waveform of the first motor；
Fig. 9 is the torque tracking waveform of the second motor；
Figure 10 is the topological structure schematic diagram of Dual-motors Driving inverter in background technology.
Specific embodiment
Embodiments of the invention are elaborated below：The present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process.It should be pointed out that to one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.
Embodiment
Present embodiments provide a kind of inverter topology for bi-motor, including it is positive bus-bar, negative busbar, first electric
Hold C1, the second electric capacity C2, first switch pipe bridge arm, second switch pipe bridge arm, the 3rd switching tube bridge arm, the 4th switching tube bridge arm with
And the 5th switching tube bridge arm, the first switch pipe bridge arm, second switch pipe bridge arm, the 3rd switching tube bridge arm, the 4th switching tube
Between bridge arm and the connection of the 5th switching tube bridge arm and positive bus-bar, negative busbar, and parallel relationship each other between five bridge arms；Institute
State the first electric capacity C1 and the second electric capacity C2 is connected in series between positive bus-bar and negative busbar, the series arm and five that two electric capacity are formed
Parallel relationship is formed between individual bridge arm；
The first motor in bi-motor is opened respectively with the first electric capacity C1, the second electric capacity C2, first switch pipe bridge arm and second
Close pipe bridge arm to be connected, form the first motor and be connected with the control of three-phase Four-switch converter, the second motor difference in bi-motor
It is connected with the 3rd switching tube bridge arm, the 4th switching tube bridge arm and the 5th switching tube bridge arm, forms the second motor and three-phase voltage type
Full-bridge inverter control connection.
Wherein：
First electric capacity C1 and the second electric capacity C2 are connected in series between the positive bus-bar and the negative busbar；First motor
A phase power lines are connected between the first electric capacity C1 and the second electric capacity C2；
First switch pipe bridge arm, is connected between the positive bus-bar and the negative busbar, mainly by first for being connected in series
Switching tube Q1 and second switch pipe Q2 is constituted；The b phase power lines of the first motor are connected to first switch pipe Q1 and second switch pipe
Between Q2；
Second switch pipe bridge arm, is connected between the positive bus-bar and the negative busbar, mainly by the 3rd for being connected in series
Switching tube Q3 and the 4th switching tube Q4 is constituted；The c phase power lines of the first motor are connected to the 3rd switching tube Q3 and the 4th switching tube
Between Q4；
3rd switching tube bridge arm, is connected between the positive bus-bar and the negative busbar, mainly by the 5th for being connected in series
Switching tube Q5 and the 6th switching tube Q6 is constituted；The a phase power lines of the second motor are connected to the 5th switching tube Q5 and the 6th switching tube
Between Q6；
4th switching tube bridge arm, is connected between the positive bus-bar and the negative busbar, mainly by the 7th for being connected in series
Switching tube Q7 and the 8th switching tube Q8 is constituted；The b phase power lines of the first motor are connected to the 7th switching tube Q7 and the 8th switching tube
Between Q8；
5th switching tube bridge arm, is connected between the positive bus-bar and the negative busbar, mainly by the 9th for being connected in series
Switching tube Q9 and the tenth switching tube Q10 is constituted, and the c phase power lines of the first motor are connected to the 9th switching tube Q9 and the tenth switching tube
Between Q10；
Further, the first electric capacity C1 and the second electric capacity C2 are respectively electrochemical capacitor.
Further, the first switch pipe Q1~the tenth switching tube Q10 adopts metal-oxide-semiconductor, IGBT or bipolar transistor.
The present embodiment proposes a kind of inverter topology for bi-motor, mainly includes two series capacitances and five
Individual switching tube bridge arm, is similar to that existing five leg inverter topology, but control it is simpler than existing five leg inverter and
Control effect can be more preferable than five leg inverters.
The inverter topology for bi-motor that the present embodiment is proposed, as shown in figure 4, the first motor can be regarded as
1 is controlled by three-phase Four-switch converter, and the second motor 2 is controlled by three-phase voltage type full-bridge inverter.
As shown in figure 4, three-phase Four-switch converter is opened by the first electric capacity C1, the second electric capacity C2, first switch pipe~4th
Close pipe Q1, Q2, Q3, Q4 to constitute；Three-phase voltage type full-bridge inverter by Fig. 4 in the 5th switching tube~the tenth switching tube Q5, Q6,
Q7, Q8, Q9, Q10 are constituted.
The inverter topology for bi-motor of the present embodiment is seemed as existing five bridge arm topologicals structure, in fact
There is very big difference.The public bridge arm of two motors in existing five bridge arm topologicals structure, and the topological structure two of the present embodiment
Platform motor does not share a bridge arm, and the first motor 1 is connected with three-phase Four-switch converter, the second motor 2 and three-phase voltage
Type full-bridge inverter is connected, and the control between two motors will not influence each other, and controls simpler and effect more preferably, but
Using number of switches be but with five bridge arms as, so the bi-motor topology before this topology is compared is very big changing
Enter.
Specifically in control, the first motor 1 is controlled according to the control to common three-phase Four-switch converter, according to
Control to three-phase voltage-type inverter is controlled to the second motor 2.
The present embodiment can really realize independent control, and control is simpler, and control effect is more preferable.
As a result the present embodiment meets expection through verification experimental verification.
The voltage on line side that the present embodiment is adopted is 311V power frequency sine waves for amplitude, and each hardware parameter is as follows respectively：Input
Inductance L is 1mH, and capacitance group is connected from two 470 μ F, and switching device is 600V, and the IGBT of 25A, switching frequency is arranged
For 10kHz.Motor 1 is internal permanent magnet synchronous motor, and the parameter of electric machine is as follows：D-axis inductance is 6.9mH, and quadrature axis inductance is
10.7mH, stator phase resistance is 0.8 Ω, and permanent magnet flux linkage is 0.088366Wb, and motor number of pole-pairs is 3, and rated power is 1.35kW,
Rated speed is 5400rpm；Motor 2 is durface mounted permanent magnet synchronous motor, and the parameter of electric machine is as follows：D-axis inductance is 67.5mH, is handed over
Axle inductance is 67.5mH, and stator phase resistance is 7.1 Ω, and permanent magnet flux linkage is 0.421Wb, and motor number of pole-pairs is 4, and rated power is
560W, rated speed is 850rpm.
In order to prove that two motors can arbitrarily use SPWM or SVPWM, inverter of the present embodiment to the first motor 1
Using SVPWM, SPWM is used to the inverter of the second motor 2.Using the two close cycles of current inner loop rotating speed outer shroud as shown in Figure 5
Control strategy, while two motors are all to use weak magnetic, so iqThe given output for coming from der Geschwindigkeitkreis, idGiven employing under
Formula：
Wherein, ΨmIt is rotor flux, LdIt is d axle inductances, VomIt is that the phase that the first motor 1 or the second motor 2 can reach is electric
Pressure fundamental voltage amplitude, ω is the angular rate of the first motor 1 or the second motor 2, LqIt is q axle inductances, iqIt is q shaft currents, idIt is d axles
Electric current.
The der Geschwindigkeitkreis pi regulator parameter of the first motor 1 is set to Kp=100, Ki=0.1, and output violent change is ± 15A.dq
Shaft current pi regulator parameter is set to Kp=50, Ki=10, and output violent change is ± 300V.
The der Geschwindigkeitkreis pi regulator parameter of the second motor 2 is set to Kp=0.1, Ki=1, and output violent change is ± 15A.Dq axles
Electric current pi regulator parameter is set to Kp=5000, Ki=1000, and output violent change is ± 300V.
The reference rotation velocity of the first motor 1 is 5400rpm, and rotating-speed tracking waveform is as shown in Figure 6；
The reference rotation velocity of the second motor 2 is 850rpm, and rotating-speed tracking waveform is as shown in Figure 7.
The nominal torque of the first motor 1 is 6.3N.m, and torque tracking waveform is as shown in Figure 8；
The nominal torque of the second motor 2 is 2.38N.m, and torque tracking waveform is as shown in Figure 9.
Result of the test shows that motor can be finally stable in given rotating speed and given load torque, demonstrates this enforcement
The feasibility of example.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various modifications or modification, this not shadow
Ring the flesh and blood of the present invention.
Claims (5)
1. a kind of inverter topology for bi-motor, it is characterised in that including positive bus-bar, negative busbar, the first electric capacity,
Two electric capacity, first switch pipe bridge arm, second switch pipe bridge arm, the 3rd switching tube bridge arm, the 4th switching tube bridge arm and the 5th open
Close pipe bridge arm, the first switch pipe bridge arm, second switch pipe bridge arm, the 3rd switching tube bridge arm, the 4th switching tube bridge arm and
5th switching tube bridge arm is connected between positive bus-bar, negative busbar, and parallel relationship each other between five bridge arms；Described first is electric
Hold and the second capacitances in series is connected between positive bus-bar and negative busbar, the series arm that first electric capacity and the second electric capacity are formed
Parallel relationship is formed between five bridge arms；
First electric capacity, the second electric capacity, first switch pipe bridge arm and second switch pipe bridge arm constitute three-phase Four-switch converter,
The 3rd switching tube bridge arm, the 4th switching tube bridge arm and the 5th switching tube bridge arm constitute three-phase voltage type full-bridge inverter；
The three-phase power line of the first motor in bi-motor series arm, first switch respectively with the first electric capacity and the second electric capacity
Pipe bridge arm, second switch pipe bridge arm are connected, and form the first motor and are connected with the control of three-phase Four-switch converter；
The three-phase power line of the second motor in bi-motor is opened respectively with the 3rd switching tube bridge arm, the 4th switching tube bridge arm, the 5th
The connection of pipe bridge arm is closed, the second motor is formed and is connected with the control of three-phase voltage type full-bridge inverter.
2. the inverter topology for bi-motor according to claim 1, it is characterised in that：
The first switch pipe bridge arm, including first switch pipe and second switch pipe, the first switch pipe and second switch pipe
It is connected in series between positive bus-bar and negative busbar；
The second switch pipe bridge arm, including the 3rd switching tube and the 4th switching tube, the 3rd switching tube and the 4th switching tube
It is connected in series between positive bus-bar and negative busbar；
The three-phase power line of the first motor, is connected between the first electric capacity and the second electric capacity, first switch pipe and second is opened
Close between pipe, between the 3rd switching tube and the 4th switching tube.
3. the inverter topology for bi-motor according to claim 1, it is characterised in that：
The 3rd switching tube bridge arm, including the 5th switching tube and the 6th switching tube, the 5th switching tube and the 6th switching tube
It is connected in series between positive bus-bar and negative busbar；
The 4th switching tube bridge arm, including the 7th switching tube and the 8th switching tube, the 7th switching tube and the 8th switching tube
It is connected in series between positive bus-bar and negative busbar；
The 5th switching tube bridge arm, including the 9th switching tube and the tenth switching tube, the 9th switching tube and the tenth switching tube
It is connected in series between positive bus-bar and negative busbar；
The three-phase power line of the second motor, is connected between the 5th switching tube and the 6th switching tube, the 7th switching tube and
Between eight switching tubes, between the 9th switching tube and the tenth switching tube.
4. the inverter topology for bi-motor according to claim 3, it is characterised in that the described first~the tenth
Switching tube adopts metal-oxide-semiconductor, IGBT or bipolar transistor.
5. the inverter topology for bi-motor according to any one of claim 1-4, it is characterised in that described
One electric capacity and the second electric capacity adopt electrochemical capacitor.
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| CN108183644A (en) * | 2018-01-19 | 2018-06-19 | 长安大学 | Bi-motor four-leg inverter driving circuit and its Field orientable control method |
| CN108183636A (en) * | 2018-01-19 | 2018-06-19 | 长安大学 | A kind of seven switching inverter of bi-motor and its control method |
| CN108183638A (en) * | 2018-01-19 | 2018-06-19 | 长安大学 | A kind of nine Switching Two synchronous motor Time-sharing control inverter of three-phase and control method |
| CN108206651A (en) * | 2018-01-19 | 2018-06-26 | 长安大学 | Nine-switch inverter double-motor driving system and control method thereof |
| CN108233783A (en) * | 2018-01-19 | 2018-06-29 | 长安大学 | A kind of bi-motor three-leg inverter and its control method |
| CN108134543B (en) * | 2018-01-19 | 2020-09-22 | 长安大学 | Double three-phase motor four-bridge arm inverter and control method thereof |
| WO2021195945A1 (en) * | 2020-03-31 | 2021-10-07 | 华为技术有限公司 | Multi-motor drive circuit and control method therefor |
| CN114301367A (en) * | 2022-01-18 | 2022-04-08 | 华中科技大学 | Four-switch inverter double-motor control system |
| CN114337459A (en) * | 2021-12-31 | 2022-04-12 | 西比里电机技术(苏州)有限公司 | Driving topology circuit applicable to two-phase switched reluctance motor with wide power supply voltage |
| 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 |
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| CN114337459B (en) * | 2021-12-31 | 2023-12-08 | 西比里电机技术(苏州)有限公司 | Driving topology circuit suitable for two-phase switch reluctance motor with wide power supply voltage |
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