CN103023411A - Default phase fault tolerance driving system of open winding motor - Google Patents
Default phase fault tolerance driving system of open winding motor Download PDFInfo
- Publication number
- CN103023411A CN103023411A CN2012104039444A CN201210403944A CN103023411A CN 103023411 A CN103023411 A CN 103023411A CN 2012104039444 A CN2012104039444 A CN 2012104039444A CN 201210403944 A CN201210403944 A CN 201210403944A CN 103023411 A CN103023411 A CN 103023411A
- Authority
- CN
- China
- Prior art keywords
- phase
- inverter
- electric machine
- fault
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a default phase fault tolerance driving system of an open winding motor. A head end and a tail end of a common three-phase motor winding are cascaded with two nominal electrical level inverters; after a fault happens in a one-phase winding open circuit, two switches on a fault phase upper bridge arm are online locked; two switching tubes of a lower bridge arm are normally driven by 1; and through the modulation of phase current reconstruction and effective redundancy switch vector reconstruction, a stable torque output is retained, the default phase fault tolerance operation of the driving system is realized and the requirements on the system continuous operation capability of the high-reliability application field such as electric automobiles are satisfied. Through the design of dual power supply, the danger of a common-mode voltage and a zero-sequence current to electric components and motors is eliminated. The device comprises a primary direct-current voltage source (1), a primary capacitor (2), a primary inverter (3), a secondary direct-current voltage source (4), a secondary capacitor (5), a secondary inverter (6), a three-phase motor (7) and a redundant switch vector (8); the primary inverter is connected to the head end of the three-phase motor winding and the secondary inverter is connected to the tail end of the motor winding.
Description
Technical field
The present invention relates to a kind of novel phase-lacking fault-tolerant drive system of opening winding electric machine, can be applicable to the particular application that some failure operation has higher requirements, belong to the motor-driven technology.
Background technology
The three phase electric machine frequency conversion speed-adjusting system plays a part very important in commercial Application with its superior performance.Yet, such as Aero-Space, in the commercial Application such as locomotive traction even nuclear industry, open fault occurs mutually in case three phase electric machine is a certain, such as connector lug gets loose, meticulous blow etc. of wire do not cut off this phase, will cause catastrophic consequence.In these occasions, the reliability of system and fault-tolerant ability are most important indexs, and how research can continue operation and be unlikely to stop in the phase shortage situation, have important practical significance.Takahashi I proposes a kind of winding open-circuit type asynchronous machine first, and three phase winding first and last end cascades, 2 cover inverters are coordinated control by two inverters, improve torque responsing speed and the frequency band range of asynchronous machine.Nominal two-level inverter gate-controlled switch device after cascade is selected more, has Tolerate and redundance switching vector selector assembled state, can realize running without interruption of three phase electric machine, can avoid accident and disaster to occur, and keeps stable torque output.Therefore, be necessary to propose a kind of novel phase-lacking fault-tolerant drive system of opening winding electric machine.
Summary of the invention
Technical problem: stator coil can not produce rotating magnetic field after the present invention is directed to three phase electric machine winding open circuit, and there are characteristics such as zero-sequence current, a kind of motor driven systems with phase-lacking fault-tolerant function is proposed, solve the problem such as torque pulsation and the reconstruct of residue biphase current behind the motor phase failure, content of the present invention is novelly to open the phase-lacking fault-tolerant drive system performance of winding electric machine and design around a kind of.
Technical scheme: for solving the problems of the technologies described above, the invention provides a kind of phase-lacking fault-tolerant drive system of opening winding electric machine, three phase electric machine winding first and last end is the two-level inverter of two nominals of cascade respectively, and system is powered by two direct voltage sources;
This fault-tolerant drive system comprises primary direct current potential source, elementary electric capacity, elementary inverter, secondary direct voltage source, secondary capacitance, secondary inverter, three phase electric machine, Redundanter schalter vector; Elementary electric capacity, elementary inverter parallel are at the two ends of primary direct current potential source, secondary capacitance, secondary inverter parallel are at the two ends of secondary direct voltage source, three elementary inputs of three phase electric machine connect respectively three outputs of elementary inverter, three secondary inputs of three phase electric machine connect respectively secondary inverter three outputs, produce 6 groups of switching signals after the Redundanter schalter Vector Modulation, respectively corresponding 6 groups of base stage control ends that connect elementary inverter and secondary inverter.
The winding of three phase electric machine adopts the open type structure, and the neutral point of traditional Y type three phase electric machine is taken apart, draws six roots of sensation end line.
It is the batteries of 120V that primary direct current potential source and secondary direct voltage source all adopt nominal voltage.
Elementary inverter and secondary inverter all are two level PWM voltage source inverters of nominal, can be operated in three level zone after the cascade.
Fault phase brachium pontis switching device can make open fault phase winding two-terminal-grounding short circuit.
Described Redundanter schalter vector, fault-tolerant control system wherein adopts the control strategy of Realization of pulse width modulation based on voltage space vector, produces 19 space vector of voltage by 64 kinds of switch combinations, has the Redundanter schalter vector.
Beneficial effect:
(1) the cascaded inverter structure is compared common diode clamp type, leap capacitor type three-level inverter topology structure, has reduced the quantity of power device, does not have the problems such as mid-point voltage imbalance, has reduced volume, weight and the manufacturing cost of drive unit.
(2) with traditional three phase electric machine winding neutral point separately, the motor winding works alone, and effectively eliminates the impact between the winding, improves the reliability of motor self.
(3) the cascaded inverter structure can make the harmonic content of output voltage reduce under lower switching frequency, and the power output grade improves.
(4) two direct voltage sources are independently-powered, avoid the generation of common-mode voltage, zero-sequence current to the harm of electronic device and motor.
(5) do not need to increase the Redundanter schalter device, only need just can realize by the reconstruct modulation to the Redundanter schalter vector phase-lacking fault-tolerant operation of three phase electric machine.
(6) from torque ripple minimization and two angles of torque maximumization the residue phase current is reconstructed, can keeps stable torque output.
(7) block brachium pontis switching tube driving signal on the open phase, the brachium pontis switch can be eliminated the induced potential in the fault winding under normal " 1 " driving open phase.
Description of drawings
Fig. 1 is structural representation of the present invention.
Wherein have: primary direct current potential source 1, elementary electric capacity 2, elementary inverter 3, secondary direct voltage source 4, secondary capacitance 5, secondary inverter 6, three phase electric machine 7, Redundanter schalter vector 8.
Fig. 2 is expressed as the switching sequence in Fig. 1 Redundanter schalter vector.
Wherein have: the on off state S of A phase brachium pontis in the elementary inverter (3)
a, B phase brachium pontis on off state S
b, C phase brachium pontis on off state S
cThe on off state S of A phase brachium pontis in the secondary inverter (6)
A, B phase brachium pontis on off state S
B, C phase brachium pontis on off state S
CThe on off state value is to represent that the place went up the brachium pontis conducting mutually at 1 o'clock, represents during for O that the place descends the brachium pontis conducting mutually.
Fig. 3 is the Tolerate and redundance switching vector selector distribution map behind the A phase winding open circuit of the present invention.
Embodiment
The present invention will be described below with reference to accompanying drawings.
A kind of novel phase-lacking fault-tolerant drive system of opening winding electric machine provided by the invention, with three phase electric machine winding neutral point separately, the two-level inverter of two nominals of first and last end cascade, after one phase winding open fault occurs, online two switches that block brachium pontis on the fault phase, two switching tubes of lower brachium pontis normal " 1 " drive, the Redundanter schalter vector of reconstruct cascaded inverter inherence, again the Tolerate and redundance switching vector selector is carried out space vector modulation, in vector control three phase electric machine drive system, the residue biphase current is reconstructed.This device comprises primary direct current potential source 1, elementary electric capacity 2, elementary inverter 3, secondary direct voltage source 4, secondary capacitance 5, secondary inverter 6, three phase electric machine 7, Redundanter schalter vector 8.Described elementary inverter 3 connects an end of three phase electric machine winding, and secondary inverter 6 is connected to the winding other end.Advantage of the present invention is: compare with existing phase-lacking fault-tolerant technology, only need the Redundanter schalter vector of on-line reorganization modulating cascade inverter inherence, it is constant that motor output torque is kept, and is applicable to the special application field that some has higher requirements to failure operation.
The present invention discloses a kind of novel phase-lacking fault-tolerant drive system of opening winding electric machine, in vector control drive motors system, from torque ripple minimization, torque maximum angle the residue biphase current is reconstructed design, and take full advantage of the based on SVPWM principle, effective selection by space vector of voltage, realize the fault-tolerant reconstruct modulation of Redundanter schalter vector, solved the shortcoming that the output torque value diminishes and torque pulsation is large after traditional Three-phase electric motor phase operation.
Described three phase electric machine (7) comprises the multiple three phase electric machine forms such as asynchronous machine, permagnetic synchronous motor.
Described motor-driven with phase-lacking fault-tolerant comprises the multiple drive forms such as vector control, direct torque control.
The present invention adopts space vector pulse width modulation, designs with A phase winding open fault.After winding A mutually open fault occurs, block at once the driving signal of brachium pontis switching tube on the open phase place, lower brachium pontis normal " 1 " drives, and makes A phase winding two-terminal-grounding short circuit.Tolerate and redundance switching vector selector after reconstruct carries out space vector pulse width modulation to the Tolerate and redundance switching vector selector and just can obtain circular magnetic field as shown in Figure 2, and then keeps the stable torque output of three phase electric machine.Residue two-phase winding parallel has reduced the dimension of controllable current, so can consider reconstruct phase current under the structure of vector control under the phase-deficient operation, but must satisfy fault-tolerant electric current and be O, and namely zero-sequence current is the constraints of O.Namely keeping zero-sequence current from torque ripple minimization is that O and two angles of torque maximumization consider that the reconstruct phase current that obtains is:
The above only is preferred embodiments of the present invention; protection scope of the present invention is not limited with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (6)
1. phase-lacking fault-tolerant drive system of opening winding electric machine is characterized in that: three phase electric machine winding first and last end is the two-level inverter of two nominals of cascade respectively, and system is powered by two direct voltage sources;
This fault-tolerant drive system comprises primary direct current potential source (1), elementary electric capacity (2), elementary inverter (3), secondary direct voltage source (4), secondary capacitance (5), secondary inverter (6), three phase electric machine (7), Redundanter schalter vector (8); Elementary electric capacity (2), elementary inverter (3) is connected in parallel on the two ends of primary direct current potential source (1), secondary capacitance (5), secondary inverter (6) is connected in parallel on the two ends of secondary direct voltage source (4), three elementary inputs of three phase electric machine (7) connect respectively three outputs of elementary inverter (3), three secondary inputs of three phase electric machine (7) connect respectively secondary inverter (6) three outputs, produce 6 groups of switching signals after Redundanter schalter vector (8) modulation, correspondence connects 6 groups of base stage control ends of elementary inverter (3) and secondary inverter (6) respectively.
2. the phase-lacking fault-tolerant drive system of opening winding electric machine according to claim 1 is characterized in that: the winding of three phase electric machine (7) adopts the open type structure, and the neutral point of traditional Y type three phase electric machine is taken apart, draws six roots of sensation end line.
3. the phase-lacking fault-tolerant drive system of opening winding electric machine according to claim 1, it is characterized in that: it is the batteries of 120V that primary direct current potential source (1) and secondary direct voltage source (4) all adopt nominal voltage.
4. the phase-lacking fault-tolerant drive system of opening winding electric machine according to claim 1, it is characterized in that: elementary inverter (3) and secondary inverter (6) all are two level PWM voltage source inverters of nominal, can be operated in three level zone after the cascade.
5. the phase-lacking fault-tolerant drive system of opening winding electric machine according to claim 1, it is characterized in that: fault phase brachium pontis switching device can make open fault phase winding two-terminal-grounding short circuit.
6. the phase-lacking fault-tolerant drive system of opening winding electric machine according to claim 1, it is characterized in that described Redundanter schalter vector (8), fault-tolerant control system wherein adopts the control strategy of Realization of pulse width modulation based on voltage space vector, produce 19 space vector of voltage by 64 kinds of switch combinations, have the Redundanter schalter vector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104039444A CN103023411A (en) | 2012-10-22 | 2012-10-22 | Default phase fault tolerance driving system of open winding motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104039444A CN103023411A (en) | 2012-10-22 | 2012-10-22 | Default phase fault tolerance driving system of open winding motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103023411A true CN103023411A (en) | 2013-04-03 |
Family
ID=47971612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104039444A Pending CN103023411A (en) | 2012-10-22 | 2012-10-22 | Default phase fault tolerance driving system of open winding motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103023411A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249628A (en) * | 2013-06-28 | 2014-12-31 | 比亚迪股份有限公司 | Electric vehicle and power system and motor controller for electric vehicle |
| CN104333272A (en) * | 2014-11-21 | 2015-02-04 | 东南大学 | Fault tolerant system and method of single-phase winding short circuit of three-phase permanent magnet synchronous motor of open winding |
| CN104655944A (en) * | 2013-11-18 | 2015-05-27 | Ls产电株式会社 | Apparatus and method for detecting output phase deficiency in inverter |
| CN104753382A (en) * | 2015-04-10 | 2015-07-01 | 东南大学 | Fault tolerance inverter circuit of dual-power five-phase open-winding system for electric vehicle |
| CN104852614A (en) * | 2015-05-22 | 2015-08-19 | 南京航空航天大学 | Fault tolerant control method for open circuit faults of three-phase bridge PWM rectifier switching tube |
| CN105811835A (en) * | 2016-04-26 | 2016-07-27 | 南京航空航天大学 | Low-cost open-winding permanent magnet synchronous motor drive system and control method thereof |
| US9862287B2 (en) | 2013-06-28 | 2018-01-09 | Byd Company Limited | Power system for electric vehicle, electric vehicle and motor controller |
| CN107612453A (en) * | 2017-09-12 | 2018-01-19 | 海信（山东）空调有限公司 | A kind of DRIVEN BY AIR CONDITIONING COMPRESSOR system, compressor of air conditioner and air-conditioning |
| CN107634695A (en) * | 2017-09-12 | 2018-01-26 | 海信（山东）空调有限公司 | A kind of DRIVEN BY AIR CONDITIONING COMPRESSOR system, compressor of air conditioner and air-conditioning |
| CN108966685A (en) * | 2016-03-04 | 2018-12-07 | 日本电产株式会社 | Power inverter, motor drive unit, electric power steering apparatus and relay module |
| US10166882B2 (en) | 2013-06-28 | 2019-01-01 | Byd Company Limited | Power system for electric vehicle |
| CN109256997A (en) * | 2018-10-10 | 2019-01-22 | 浙江大学 | The control method of winding permanent magnet synchronous motor system is opened based on double-current sensor common DC bus |
| CN109672384A (en) * | 2018-12-26 | 2019-04-23 | 天津大学 | Open the design method of winding permanent magnet synchronous motor prediction fault-tolerant controller |
| CN109696627A (en) * | 2017-10-20 | 2019-04-30 | 株洲中车时代电气股份有限公司 | A kind of motor in electric automobile three-phase power line Phase Faults method and device |
| CN110168921A (en) * | 2017-01-20 | 2019-08-23 | 日本电产株式会社 | Power inverter, motor drive unit and electric power steering apparatus |
| CN110504696A (en) * | 2019-08-23 | 2019-11-26 | 西南交通大学 | A kind of three phase space vector fast modulation reconstructing methods |
| CN110632437A (en) * | 2019-09-20 | 2019-12-31 | 合肥工业大学 | Open-circuit fault diagnosis method for switching tube of common neutral line open-winding electric drive system |
| CN111585483A (en) * | 2020-05-28 | 2020-08-25 | 华中科技大学 | Phase current reconstruction method and control system of open-winding permanent magnet synchronous motor |
| CN111791946A (en) * | 2019-04-01 | 2020-10-20 | 罗伯特·博世有限公司 | Method for reducing torque ripple of three-phase motor of steering system |
| CN112510981A (en) * | 2020-12-08 | 2021-03-16 | 合肥工业大学 | Electromagnetic compatibility friendly open winding topological structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354430A2 (en) * | 1988-08-12 | 1990-02-14 | Siemens Aktiengesellschaft | Converter composed of parallel subconverters with a DC circuit |
| CN1379543A (en) * | 2002-05-24 | 2002-11-13 | 清华大学 | Frequency-changing speed regulation driver by supplying power to both ends of windings of Three-phase asynchronous motor |
| US20080258661A1 (en) * | 2007-04-23 | 2008-10-23 | Nagashima James M | Inverter topology for an electric motor |
| CN101335499A (en) * | 2008-07-24 | 2008-12-31 | 江苏大学 | Controlling method of 4 phase permanent magnet fault tolerant motor |
| CN102223131A (en) * | 2011-06-17 | 2011-10-19 | 江苏大学 | Drive control method of fault tolerant type magnetic flux switching permanent magnet motor |
-
2012
- 2012-10-22 CN CN2012104039444A patent/CN103023411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354430A2 (en) * | 1988-08-12 | 1990-02-14 | Siemens Aktiengesellschaft | Converter composed of parallel subconverters with a DC circuit |
| CN1379543A (en) * | 2002-05-24 | 2002-11-13 | 清华大学 | Frequency-changing speed regulation driver by supplying power to both ends of windings of Three-phase asynchronous motor |
| US20080258661A1 (en) * | 2007-04-23 | 2008-10-23 | Nagashima James M | Inverter topology for an electric motor |
| CN101335499A (en) * | 2008-07-24 | 2008-12-31 | 江苏大学 | Controlling method of 4 phase permanent magnet fault tolerant motor |
| CN102223131A (en) * | 2011-06-17 | 2011-10-19 | 江苏大学 | Drive control method of fault tolerant type magnetic flux switching permanent magnet motor |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10166882B2 (en) | 2013-06-28 | 2019-01-01 | Byd Company Limited | Power system for electric vehicle |
| CN104249628A (en) * | 2013-06-28 | 2014-12-31 | 比亚迪股份有限公司 | Electric vehicle and power system and motor controller for electric vehicle |
| CN104249628B (en) * | 2013-06-28 | 2017-08-04 | 比亚迪股份有限公司 | Electric automobile and dynamical system and electric machine controller for electric automobile |
| US9862287B2 (en) | 2013-06-28 | 2018-01-09 | Byd Company Limited | Power system for electric vehicle, electric vehicle and motor controller |
| CN104655944B (en) * | 2013-11-18 | 2018-01-12 | Ls产电株式会社 | For detecting the apparatus and method that phase shortage is exported in inverter |
| CN104655944A (en) * | 2013-11-18 | 2015-05-27 | Ls产电株式会社 | Apparatus and method for detecting output phase deficiency in inverter |
| CN104333272A (en) * | 2014-11-21 | 2015-02-04 | 东南大学 | Fault tolerant system and method of single-phase winding short circuit of three-phase permanent magnet synchronous motor of open winding |
| CN104753382A (en) * | 2015-04-10 | 2015-07-01 | 东南大学 | Fault tolerance inverter circuit of dual-power five-phase open-winding system for electric vehicle |
| CN104852614B (en) * | 2015-05-22 | 2018-06-01 | 南京航空航天大学 | A kind of three-phase bridge PWM rectifier switching tube open fault fault tolerant control method |
| CN104852614A (en) * | 2015-05-22 | 2015-08-19 | 南京航空航天大学 | Fault tolerant control method for open circuit faults of three-phase bridge PWM rectifier switching tube |
| CN108966685A (en) * | 2016-03-04 | 2018-12-07 | 日本电产株式会社 | Power inverter, motor drive unit, electric power steering apparatus and relay module |
| CN105811835A (en) * | 2016-04-26 | 2016-07-27 | 南京航空航天大学 | Low-cost open-winding permanent magnet synchronous motor drive system and control method thereof |
| CN105811835B (en) * | 2016-04-26 | 2018-08-24 | 南京航空航天大学 | One kind opening winding permanent magnet Synchromous machine drive system and its control method |
| CN110168921B (en) * | 2017-01-20 | 2022-11-29 | 日本电产株式会社 | Power conversion device, motor drive unit, and electric power steering device |
| CN110168921A (en) * | 2017-01-20 | 2019-08-23 | 日本电产株式会社 | Power inverter, motor drive unit and electric power steering apparatus |
| CN107612453A (en) * | 2017-09-12 | 2018-01-19 | 海信（山东）空调有限公司 | A kind of DRIVEN BY AIR CONDITIONING COMPRESSOR system, compressor of air conditioner and air-conditioning |
| CN107634695A (en) * | 2017-09-12 | 2018-01-26 | 海信（山东）空调有限公司 | A kind of DRIVEN BY AIR CONDITIONING COMPRESSOR system, compressor of air conditioner and air-conditioning |
| CN109696627A (en) * | 2017-10-20 | 2019-04-30 | 株洲中车时代电气股份有限公司 | A kind of motor in electric automobile three-phase power line Phase Faults method and device |
| CN109256997A (en) * | 2018-10-10 | 2019-01-22 | 浙江大学 | The control method of winding permanent magnet synchronous motor system is opened based on double-current sensor common DC bus |
| CN109672384A (en) * | 2018-12-26 | 2019-04-23 | 天津大学 | Open the design method of winding permanent magnet synchronous motor prediction fault-tolerant controller |
| CN111791946A (en) * | 2019-04-01 | 2020-10-20 | 罗伯特·博世有限公司 | Method for reducing torque ripple of three-phase motor of steering system |
| CN110504696B (en) * | 2019-08-23 | 2021-03-30 | 西南交通大学 | Three-phase space vector fast modulation reconstruction method |
| CN110504696A (en) * | 2019-08-23 | 2019-11-26 | 西南交通大学 | A kind of three phase space vector fast modulation reconstructing methods |
| CN110632437B (en) * | 2019-09-20 | 2020-09-18 | 合肥工业大学 | Open-circuit fault diagnosis method for switching tube of common neutral line open-winding electric drive system |
| CN110632437A (en) * | 2019-09-20 | 2019-12-31 | 合肥工业大学 | Open-circuit fault diagnosis method for switching tube of common neutral line open-winding electric drive system |
| CN111585483A (en) * | 2020-05-28 | 2020-08-25 | 华中科技大学 | Phase current reconstruction method and control system of open-winding permanent magnet synchronous motor |
| CN112510981A (en) * | 2020-12-08 | 2021-03-16 | 合肥工业大学 | Electromagnetic compatibility friendly open winding topological structure |
| CN112510981B (en) * | 2020-12-08 | 2021-10-15 | 合肥工业大学 | Electromagnetic compatibility friendly open winding topological structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103023411A (en) | Default phase fault tolerance driving system of open winding motor | |
| CN202856682U (en) | Open-phase fault tolerance driving device of open-winding motor | |
| CN102882459B (en) | Single-supply open-coil winding permanent magnet synchronous motor driving system for electric vehicles | |
| US9318992B2 (en) | Drive circuit for a pre-phase AC motor | |
| CN101272125B (en) | Motor drive system with fault tolerance function | |
| CN102224671A (en) | Frequency convertor | |
| CN101860231A (en) | Special tri-level full-power converter set for large power wind-driven generator | |
| Zhao et al. | Unity power factor fault-tolerant control of linear permanent-magnet vernier motor fed by a floating bridge multilevel inverter with switch fault | |
| CN104753382A (en) | Fault tolerance inverter circuit of dual-power five-phase open-winding system for electric vehicle | |
| WO2018108040A1 (en) | Electric driving device, electric equipment, inverter and multiphase alternating current motor | |
| CN105356816B (en) | Switched reluctance machines polymorphic type Fault-Tolerant System based on relay network | |
| CN102594243A (en) | Indirect matrix converter multi-machine transmission system and fault-tolerant operation control method thereof | |
| CN202395465U (en) | Three-level full power converter set specially for high-power wind driven generator | |
| CN104362924A (en) | SPWM-based (sinusoidal pulse width modulation) fault-tolerance control method of three-phase open-winding PMSM (permanent magnet synchronous motor) drive system | |
| CN102157958A (en) | Wind generating unit using multiple-winding generator | |
| CN102064755B (en) | Control strategy applied to high speed motor | |
| Azer et al. | An asymmetric three-level T-type converter for switched reluctance motor drives in hybrid electric vehicles | |
| Pires et al. | A multilevel topology based on the T-type converter for SRM drives | |
| CN201975800U (en) | Alternating-current permanent magnet synchronous generator system driven by semi-control converters | |
| CN112234875B (en) | Multiphase high-speed permanent magnet synchronous motor drive control system | |
| Jiang et al. | Analysis of highly reliable electric drive system based on dual-winding fault-tolerant permanent magnet motor | |
| KR102141100B1 (en) | Integrated charger for electric vehicle | |
| CN116208062A (en) | Motor control system, control method of motor control system and vehicle | |
| Hopkins et al. | DC-link Capacitor Reduction in Low Voltage and High Power Integrated Modular Motor Drives | |
| CN104378034A (en) | Operation control system of brushless alternating-current hybrid excitation brushless direct-current motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |