CN108696204A - Mine traction is with opening winding permanent magnet Synchromous machine drive system and its working method - Google Patents
Mine traction is with opening winding permanent magnet Synchromous machine drive system and its working method Download PDFInfo
- Publication number
- CN108696204A CN108696204A CN201810396550.8A CN201810396550A CN108696204A CN 108696204 A CN108696204 A CN 108696204A CN 201810396550 A CN201810396550 A CN 201810396550A CN 108696204 A CN108696204 A CN 108696204A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- synchronous motor
- magnet synchronous
- moment
- connect
- 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.)
- Granted
Links
Classifications
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- 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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
-
- 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
- H02P27/08—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 with pulse width modulation
-
- 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
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The present invention provides a kind of traction of mine with opening winding permanent magnet Synchromous machine drive system and its working method, including:First power circuit, the first power circuit are connect with three-phase voltage;Second source circuit, second source circuit are connect with three-phase voltage;Magneto, magneto are connect with the first power circuit and second source circuit respectively;Sampling module, sampling module are connect with magneto;Main control module, main control module are connect with sampling module;Drive module, drive module connect main control module and the first power circuit and second source circuit.Beneficial effects of the present invention are as follows:The neutral point of permanent magnet synchronous motor is opened, one is formed and opens winding construction with dual-port, and using this winding permanent magnet synchronous motor of opening as the driving motor of mining electric locomotive, can reach the requirement of high start torque, improve the starting characteristic of drive system;It is separately connected out the both ends of winding permanent magnet synchronous motor using two converters, improves the stability of system, lowers failure rate.
Description
Technical field
The invention belongs to high power AC speed governing field, more particularly to a kind of mine traction is with opening winding permanent magnet synchronous motor
Drive system and its working method.
Background technology
In view of in coal industry, the operating condition of mine is severe, to the special finger such as explosion-proof, dust-proof and moisture-proof of motor
Very strict requirements are indicated, the driving motor of mining electric locomotive winding permanent magnet synchronous motor will be opened is used as.Not only have fine
Starting characteristic, additionally it is possible to effectively lower failure rate, reduce operating cost, while opening winding permanent magnet synchronous motor system efficiency ratio
The confidential high 15%-20% of asynchronous electric, meets the needs of high power AC speed governing.
It opens winding permanent magnet synchronous motor and forms mine traction drive system with converter.Existing topology is two transformation
Device shares a single supply power supply, easy tos produce larger zero-sequence current, and addition zero-sequence reactor is needed to be inhibited.In addition,
Most of converter is using two level topology.It must be adopted for the deficiency of two level converters in high-power speed governing field
Output voltage is improved with more level.
Invention content
For the defects in the prior art, same with winding permanent magnet is opened it is an object of the invention to propose a kind of mine traction
Walk motor driven systems and its working method.
In order to solve the above technical problems, the present invention provides a kind of traction of mine with opening winding permanent magnet Synchromous machine drive system
Including:First power circuit, the first power circuit are connect with three-phase voltage;Second source circuit, second source circuit and three-phase
Voltage connects;Magneto, magneto are connect with the first power circuit and second source circuit respectively;Sampling module, sampling
Module is connect with magneto;Main control module, main control module are connect with sampling module;Drive module, drive module connect master control
Module and the first power circuit and second source circuit.
Preferably, the first power circuit includes sequentially connected first isolating transformer, first fuse, the first reactance
Device, the first uncontrollable rectifier bridge, the first preliminary filling resistance and the first three-level converter;Wherein the first isolating transformer and three-phase electricity
Pressure connection;Magneto is connect with the first three-level converter;Drive module is connect with the first three-level converter.
Preferably, second source circuit includes sequentially connected second isolating transformer, second fuse, the second reactance
Device, the second uncontrollable rectifier bridge, the second preliminary filling resistance and the second three-level converter;Wherein the second isolating transformer and three-phase electricity
Pressure connection;Magneto is connect with the second three-level converter;Drive module is connect with the second three-level converter.
Preferably, sampling module includes first voltage current sample conditioning plate and second voltage current sample conditioning plate;Its
Middle first voltage current sample conditioning plate and second voltage current sample conditioning plate are separately connected magneto and main control module.
Preferably, drive module includes the first driving plate and the second driving plate;The one or three electricity of wherein the first driving plate connection
Flat converter and main control module;Second driving plate connects the second three-level converter and main control module.
A kind of mine traction working method for opening winding permanent magnet Synchromous machine drive system, includes the following steps:
Step 1, the discrete matrix equation for opening winding permanent magnet synchronous motor is obtained;
Step 2, discrete matrix equation is substituted into expanded Kalman filtration algorithm, obtains the rotor angle of permanent magnet synchronous motor
Spend θ;
Step 3, the rotor angle of permanent magnet synchronous motor is substituted into dq/ α β transformation and α β/dq transformation, to permanent-magnet synchronous
Motor is controlled;Wherein dq/ α β are conversion of the dq coordinate systems to α β coordinate systems;α β/dq are α β coordinate systems to dq coordinate systems
Conversion.
Preferably, step 1 includes:
Step 1.1, the state equation for opening winding permanent magnet synchronous motor is established, state equation is:
Step 1.2, state equation is converted into matrix equation, matrix equation is:
In formula
X=(id, iq, ω, θ)T
U=(ud, uq)T
Y=(id, iq)T
Step 1.3, sliding-model control is carried out to matrix equation, obtains discrete matrix equation, discrete matrix equation is:
Wherein
Wherein, p is the number of magnetic poles of permanent magnet synchronous motor, idFor the d shaft current components of permanent magnet synchronous motor, iqFor Permanent Magnet and Electric
The q shaft current components of machine, R are the stator resistance of permanent magnet synchronous motor, LdFor the d axle inductance components of permanent magnet synchronous motor, LqFor forever
The q axle inductance components of magnetic-synchro motor, ω are the angular speed of permanent magnet synchronous motor, udFor the d shaft voltages point of permanent magnet synchronous motor
Amount, uqFor the q shaft voltage components of permanent magnet synchronous motor, ψfFor the magnetic linkage of permanent magnet synchronous motor, J is the rotation of permanent magnet synchronous motor
Inertia, npFor the number of magnetic pole pairs of permanent magnet synchronous motor, TeFor the electromagnetic torque of permanent magnet synchronous motor, TmFor permanent magnet synchronous motor
Machine torque, θ are the rotor angle of permanent magnet synchronous motor, and t is the time, and x (k) is (i at k momentd, iq, ω, θ)TState become
Amount, x (k+1) are (i at k+1 momentd, iq, ω, θ)TState variable, y (k) be the k moment (id, iq)TState variable, y (k
+ 1) it is (the i at k+1 momentd, iq)TState variable.
Preferably, step 2 includes:
Step 2.1, filtering error variance matrix is established, filtering error variance matrix is:
Wherein,Inputs of the u (k) as the k moment,For the state estimation at k moment
Value,For the state vector at k+1 moment, outputs of the y (k+1) as the k+1 moment,It is sweared for the state at k+1 moment
Amount, K (k+1) are the optimum gain matrix equation at k+1 moment,
R is covariance matrix, and C (k+1) is k+
The matrix of 1 moment C, CT(k+1) transition matrix for being k+1 moment C.
For the error co-variance matrix predicted value at k+1 moment,Meet:
For the evaluated error covariance matrix at k+1 moment.
Step 2.2, the rotor angle of permanent magnet synchronous motor is obtained by filtering error variance matrix.
Compared with prior art, beneficial effects of the present invention are as follows:
1) neutral point of permanent magnet synchronous motor is opened, forms one and open winding construction with dual-port, and will be this
Driving motor of the winding permanent magnet synchronous motor as mining electric locomotive is opened, the requirement of high start torque is can reach, improves driving system
The starting characteristic of system;
2) it uses two converters to be separately connected out the both ends of winding permanent magnet synchronous motor, improves the stability of system, subtract
Few maintenance load, lowers failure rate, reduces operating cost;
3) the first three-level converter and the second three-level converter are individually powered, i.e., the DC side of two converters is independent
Power supply, avoids generation zero-sequence current;
4) using the three-level topology of bilateral power supply power supply, output voltage is equivalent to five level, current harmonic content and two
Compared to significantly reducing, output waveform improves the reliability of governing system closer to sine wave for level, three level;
5) expanded Kalman filtration algorithm is used to realize the real-time control for opening winding permanent magnet Synchromous machine drive system.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature mesh of the invention
And advantage will become more apparent upon.
Fig. 1 is the system structure diagram of the present invention;
Fig. 2 is the three-level topology structural schematic diagram of the present invention;
Fig. 3 is the uncontrollable rectifier bridge schematic diagram of the present invention;
Fig. 4 is the control method schematic diagram of the present invention;
Fig. 5 is the functional block diagram of the expanded Kalman filtration algorithm of the present invention.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection domain.
As shown in fig. 1~fig. 5, a kind of mine traction of bilateral power supply power supply based on three-level converter of the present invention is realized
With winding permanent magnet motor drive system and its control method is opened, realize that the drive system connection type is as follows:
One, main circuit part be connected respectively with the first isolating transformer 12 and the second isolating transformer 22 by three-phase voltage 1,
First isolating transformer 12 and the second isolating transformer 22 are connected with first fuse 13 and second fuse 23 respectively, first melts
Disconnected device 13 and second fuse 23 are connected with the first reactor 14 and the second reactor 24 respectively.First fuse 13 and second is molten
Disconnected device 23 realizes bilateral power supply power supply function.
Two, the first reactor 14 and the second reactor 24 respectively with the first uncontrollable rectifier bridge 15 and the second uncontrollable rectification
Bridge 25 is connected, and realizes bilateral DC power supply function.
Three, the first uncontrollable rectifier bridge 15 and the second uncontrollable rectifier bridge 25 are pre- with the first preliminary filling resistance 16 and second respectively
Charging resistance 26 is connected, and the first preliminary filling resistance 16 and the second preliminary filling resistance 26 are electric with the first three-level converter the 17 and the 2nd 3 respectively
Flat converter 27 is connected, and forms six phase alternating currents.
Four, the first three-level converter 17 and the second three-level converter 27 are connected with magneto 9 respectively, are Permanent Magnet and Electric
Machine 9 is powered.
Five, magneto 9 respectively with first voltage current sample conditioning plate 18 and second voltage current sample conditioning plate 28
It is connected, acquires corresponding voltage and current signal.
Six, first voltage current sample conditioning plate 18 and second voltage current sample conditioning plate 28 respectively with main control module 11
It is connected, the voltage and current signal of acquisition is transmitted to main control module 11, completes related algorithm and calculate.
Seven, main control module 11 is connected with the first driving plate 19 and the second driving plate 29 respectively.
Eight, the first driving plate 19 is connected with the first three-level converter 17, the second driving plate 29 and the two or three level translation
Device 27 is connected, and the first driving plate 19 and the second driving plate 29 are respectively the first three-level converter 17 and the second three-level converter
27 provide PWM drive signal.
Realize the mine traction of the bilateral power supply power supply based on three-level converter with opening winding permanent magnet synchronous machine drives
Steps are as follows for the control method of system work:
Step 1, foundation open the state equation of winding permanent magnet synchronous motor:
State equation and output equation are written as matrix form:
In formula
X=(id, iq, ω, θ)T
U=(ud, uq)T
Y=(id, iq)T
Matrix equation is subjected to discretization:
Wherein
Wherein, p is the number of magnetic poles of permanent magnet synchronous motor, idFor the d shaft current components of permanent magnet synchronous motor, iqFor Permanent Magnet and Electric
The q shaft current components of machine, R are the stator resistance of permanent magnet synchronous motor, LdFor the d axle inductance components of permanent magnet synchronous motor, LqFor forever
The q axle inductance components of magnetic-synchro motor, ω are the angular speed of permanent magnet synchronous motor, udFor the d shaft voltages point of permanent magnet synchronous motor
Amount, uqFor the q shaft voltage components of permanent magnet synchronous motor, ψfFor the magnetic linkage of permanent magnet synchronous motor, J is the rotation of permanent magnet synchronous motor
Inertia, npFor the number of magnetic pole pairs of permanent magnet synchronous motor, TeFor the electromagnetic torque of permanent magnet synchronous motor, TmFor permanent magnet synchronous motor
Machine torque, θ are the rotor angle of permanent magnet synchronous motor, and t is the time, and x (k) is (i at k momentd, iq, ω, θ)TState become
Amount, x (k+1) are (i at k+1 momentd, iq, ω, θ)TState variable, y (k) be the k moment (id, iq)TState variable, y (k
+ 1) it is (the i at k+1 momentd, iq)TState variable.
Step 2 establishes filtering error variance matrix, and filtering error variance matrix is:
Wherein,Inputs of the u (k) as the k moment,For the state estimation at k moment
Value,For the state vector at k+1 moment, outputs of the y (k+1) as the k+1 moment,It is sweared for the state at k+1 moment
Amount, K (k+1) are the optimum gain matrix equation at k+1 moment,
R is covariance matrix, and C (k+1) is k+
The matrix of 1 moment C, CT(k+1) transition matrix for being k+1 moment C.
For the error co-variance matrix predicted value at k+1 moment,Meet:
For the evaluated error covariance matrix at k+1 moment, permanent magnet synchronous electric is obtained by filtering error variance matrix
The rotor angle of machine.
Step 3, the angle, θ for obtaining extended Kalman filter are used in dq/ α β transformation and α β/dq transformation.
Step 4, using rotating speed outer shroud, the double circle controling mode of current inner loop, modulation system uses seven segmentations, five level
SVPWM modulation systems generate pwm signal, the IGBT module in driving transducer.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims, this not shadow
Ring the substantive content of the present invention.In the absence of conflict, the feature in embodiments herein and embodiment can arbitrary phase
Mutually combination.
Claims (8)
1. a kind of traction of mine is with opening winding permanent magnet Synchromous machine drive system, which is characterized in that including:
First power circuit, the first power circuit are connect with three-phase voltage;
Second source circuit, second source circuit are connect with three-phase voltage;
Magneto, magneto are connect with the first power circuit and second source circuit respectively;
Sampling module, sampling module are connect with magneto;
Main control module, main control module are connect with sampling module;
Drive module, drive module connect main control module and the first power circuit and second source circuit.
2. mine according to claim 1 traction is with opening winding permanent magnet Synchromous machine drive system, which is characterized in that first
Power circuit include sequentially connected first isolating transformer, first fuse, the first reactor, the first uncontrollable rectifier bridge,
First preliminary filling resistance and the first three-level converter;Wherein
First isolating transformer is connect with three-phase voltage;Magneto is connect with the first three-level converter;Drive module and the
One three-level converter connects.
3. mine according to claim 2 traction is with opening winding permanent magnet Synchromous machine drive system, which is characterized in that second
Power circuit include sequentially connected second isolating transformer, second fuse, the second reactor, the second uncontrollable rectifier bridge,
Second preliminary filling resistance and the second three-level converter;Wherein
Second isolating transformer is connect with three-phase voltage;Magneto is connect with the second three-level converter;Drive module and the
Two three-level converters connect.
4. mine according to claim 3 traction is with opening winding permanent magnet Synchromous machine drive system, which is characterized in that sample
Module includes first voltage current sample conditioning plate and second voltage current sample conditioning plate;Wherein
First voltage current sample conditioning plate and second voltage current sample conditioning plate are separately connected magneto and main control module.
5. mine according to claim 4 traction is with opening winding permanent magnet Synchromous machine drive system, which is characterized in that drive
Module includes the first driving plate and the second driving plate;Wherein
First driving plate connects the first three-level converter and main control module;
Second driving plate connects the second three-level converter and main control module.
6. a kind of mine traction working method for opening winding permanent magnet Synchromous machine drive system, which is characterized in that including as follows
Step:
Step 1, the discrete matrix equation for opening winding permanent magnet synchronous motor is obtained;
Step 2, discrete matrix equation is substituted into expanded Kalman filtration algorithm, obtains the rotor angle of permanent magnet synchronous motor;
Step 3, the rotor angle of permanent magnet synchronous motor is substituted into dq/ α β transformation and α β/dq transformation, to permanent magnet synchronous motor
It is controlled;Wherein dq/ α β are conversion of the dq coordinate systems to α β coordinate systems;α β/dq are conversion of the α β coordinate systems to dq coordinate systems.
7. the traction working method for opening winding permanent magnet Synchromous machine drive system in mine according to claim 6, special
Sign is that step 1 includes:
Step 1.1, the state equation for opening winding permanent magnet synchronous motor is established, state equation is:
Step 1.2, state equation is converted into matrix equation, matrix equation is:
In formula
X=(id, iq, ω, θ)T
U=(ud, uq)T
Y=(id, iq)T
Step 1.3, sliding-model control is carried out to matrix equation, obtains discrete matrix equation, discrete matrix equation is:
Wherein
Wherein, p is the number of magnetic poles of permanent magnet synchronous motor, idFor the d shaft current components of permanent magnet synchronous motor, iqFor the q of magneto
Shaft current component, R are the stator resistance of permanent magnet synchronous motor, LdFor the d axle inductance components of permanent magnet synchronous motor, LqIt is same for permanent magnetism
The q axle inductance components of motor are walked, ω is the angular speed of permanent magnet synchronous motor, udFor the d shaft voltage components of permanent magnet synchronous motor, uq
For the q shaft voltage components of permanent magnet synchronous motor, ψfFor the magnetic linkage of permanent magnet synchronous motor, J is the rotary inertia of permanent magnet synchronous motor,
npFor the number of magnetic pole pairs of permanent magnet synchronous motor, TeFor the electromagnetic torque of permanent magnet synchronous motor, TmTurn for the machinery of permanent magnet synchronous motor
Square, θ are the rotor angle of permanent magnet synchronous motor, and t is the time, and x (k) is (i at k momentd, iq, ω, θ)TState variable, x (k+
1) it is (the i at k+1 momentd, iq, ω, θ)TState variable, y (k) be the k moment (id, iq)TState variable, y (k+1) be k+
(the i at 1 momentd, iq)TState variable.
8. the traction working method for opening winding permanent magnet Synchromous machine drive system in mine according to claim 7, special
Sign is that step 2 includes:
Step 2.1, filtering error variance matrix is established, filtering error variance matrix is:
Wherein,Inputs of the u (k) as the k moment,For the state estimation at k moment,For the state vector at k+1 moment, outputs of the y (k+1) as the k+1 moment,For the state vector at k+1 moment;
K (k+1) is the optimum gain matrix equation at k+1 moment,
R is covariance matrix, and C (k+1) is the k+1 moment
The matrix of C, CT(k+1) transition matrix for being k+1 moment C.
For the error co-variance matrix predicted value at k+1 moment,Meet:
For the evaluated error covariance matrix at k+1 moment.
Step 2.2, the rotor angle of permanent magnet synchronous motor is obtained by filtering error variance matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396550.8A CN108696204B (en) | 2018-04-27 | 2018-04-27 | Driving system of permanent magnet synchronous motor for unwinding winding in mine traction and working method of driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396550.8A CN108696204B (en) | 2018-04-27 | 2018-04-27 | Driving system of permanent magnet synchronous motor for unwinding winding in mine traction and working method of driving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108696204A true CN108696204A (en) | 2018-10-23 |
| CN108696204B CN108696204B (en) | 2020-12-29 |
Family
ID=63845887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810396550.8A Active CN108696204B (en) | 2018-04-27 | 2018-04-27 | Driving system of permanent magnet synchronous motor for unwinding winding in mine traction and working method of driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108696204B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1645032B1 (en) * | 2003-07-10 | 2008-11-12 | Honeywell International Inc. | Sensorless control method and apparatus for a motor drive system |
| CN103414416A (en) * | 2013-07-11 | 2013-11-27 | 中国大唐集团科学技术研究院有限公司 | Permanent magnet synchronous motor sensorless vector control system based on EKF |
| CN203851020U (en) * | 2014-03-27 | 2014-09-24 | 湖南南车时代电动汽车股份有限公司 | Power supply converting device of electric vehicle power line network and electric power driving system |
| 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 |
-
2018
- 2018-04-27 CN CN201810396550.8A patent/CN108696204B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1645032B1 (en) * | 2003-07-10 | 2008-11-12 | Honeywell International Inc. | Sensorless control method and apparatus for a motor drive system |
| CN103414416A (en) * | 2013-07-11 | 2013-11-27 | 中国大唐集团科学技术研究院有限公司 | Permanent magnet synchronous motor sensorless vector control system based on EKF |
| CN203851020U (en) * | 2014-03-27 | 2014-09-24 | 湖南南车时代电动汽车股份有限公司 | Power supply converting device of electric vehicle power line network and electric power driving system |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| A DAS ETC.: "Multilevel dodecagonal space vector generation for Open-end winding induction motor drive using conventional three level inverters", 《EPE "09. 13TH EUROPEAN CONFERENCE 》 * |
| 薛树功等: "基于扩展卡尔曼滤波的永磁同步电机无传感器矢量控制", 《电机与控制应用》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108696204B (en) | 2020-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103731079B (en) | A kind of winding permanent magnet motor system of opening of common bus structure and the control method of suppression zero-sequence current thereof | |
| CN101640423B (en) | Generator system for wind power generation and variable speed control method | |
| CN106655913B (en) | The adjustable three-phase inverter topological structure of DC bus-bar voltage and voltage adjusting method | |
| CN106451532B (en) | A kind of multiphase directly-drive permanent magnet wind generating unsteady flow integral system and its control method | |
| CN104320027B (en) | The control method of the open permanent-magnet electric generator system of parallel winding | |
| CN108418493B (en) | Common bus opens winding permanent magnet synchronous motor collaboration spaces vector modulation method | |
| CN103248291B (en) | A kind of high-speed brushless direct-current motor control system without position sensor | |
| CN105811835B (en) | One kind opening winding permanent magnet Synchromous machine drive system and its control method | |
| CN104539206B (en) | Marine large-scale straight drive switching magnetic-resistance wind-driven generator power converter system | |
| CN105119536B (en) | A kind of motor driver topology and its control method | |
| CN103227603B (en) | Vector compensation control method of winding open permanent magnet generator system | |
| CN103973191A (en) | Default phase fault-tolerant control method of nine-phase flux-switching permanent magnetic motor | |
| Taib et al. | Performance and efficiency control enhancement of wind power generation system based on DFIG using three-level sparse matrix converter | |
| CN105896856A (en) | Indirect matrix transformation type multi-phase multi-level permanent magnet motor system and control method thereof | |
| CN107947682A (en) | The three phase alternating current motor drive system and method for a kind of suppression common mode noise | |
| CN113131816A (en) | Maximum torque current ratio control system and method for hybrid rotor double-stator synchronous motor | |
| CN103259476B (en) | Frequency conversion alternating current generation system control method with voltage harmonic suppression function | |
| CN105720875B (en) | A kind of control method for driving winding permanent magnet synchronous motor based on Z sources and voltage source converter collaboration power supply | |
| CN104158228B (en) | Undamped winding permanent magnet synchronous motor combination method | |
| CN106301102B (en) | A kind of multiphase permanent magnet synchronous motor drive system and its control method | |
| CN104378034B (en) | The operation control system of brushless ac compound rectifier excitation brshless DC motor | |
| CN202696533U (en) | Variable speed permanent magnet alternating current generator system | |
| CN112217238B (en) | Brushless doubly-fed generator system and control method thereof | |
| CN102355186B (en) | Brake control method for permanent magnet synchronous motor | |
| CN204334399U (en) | The operation control system of brushless ac compound rectifier excitation brshless DC motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |