CN110336511A - A kind of six-phase motor method for inhibiting harmonic current based on model prediction Direct Torque Control - Google Patents
A kind of six-phase motor method for inhibiting harmonic current based on model prediction Direct Torque Control Download PDFInfo
- Publication number
- CN110336511A CN110336511A CN201910623237.8A CN201910623237A CN110336511A CN 110336511 A CN110336511 A CN 110336511A CN 201910623237 A CN201910623237 A CN 201910623237A CN 110336511 A CN110336511 A CN 110336511A
- Authority
- CN
- China
- Prior art keywords
- vector
- phase motor
- direct torque
- motor
- torque control
- 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
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 5
- 239000013598 vector Substances 0.000 claims abstract description 93
- 230000008030 elimination Effects 0.000 claims abstract description 8
- 238000003379 elimination reaction Methods 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000013178 mathematical model Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000009795 derivation Methods 0.000 abstract description 3
- 230000000875 corresponding effect Effects 0.000 description 10
- 230000005764 inhibitory process Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011438 discrete method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
- H02P21/28—Stator flux based control
- H02P21/30—Direct torque control [DTC] or field acceleration method [FAM]
-
- 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
- H02P27/12—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 pulsing by guiding the flux vector, current vector or voltage vector on a circle or a closed curve, e.g. for direct torque control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a kind of six-phase motor method for inhibiting harmonic current based on model prediction Direct Torque Control, comprising: according to six-phase motor voltage vector feature, analysis meets the vector requirement of current harmonics elimination；Rule is selected according to the vector of Direct Torque, considers the situation of change of torque and magnetic linkage, vector is formulated and selects table；Corresponding zero vector selection is carried out according to the minimum principle of on-off times, zero vector is formulated and corresponds to table；Go out the prediction model of motor by the Derivation of Mathematical Model of six-phase motor；The characteristics of according to model prediction Direct Torque Control, obtain simplified cost function；Based on the model prediction Direct Torque Control that above scheme carries out, it can effectively inhibit six-phase motor harmonic current, scheme implementation process is simple and easy, can make full use of the maximum voltage vector of system.
Description
Technical field
The present invention relates to six-phase motor control technology fields more particularly to a kind of based on model prediction Direct Torque Control
Six-phase motor method for inhibiting harmonic current.
Background technique
Polyphase machine is since small with torque pulsation, control freedom degree is big, the especially output of its low-pressure high-power, fault-tolerant energy
The features such as power is strong makes it be highly suitable for the systems such as electric car, Ship Propeling, wind-power electricity generation, electric aircraft.Double three-phase machine
It is the asymmetric six-phase motor that two sets of three-phase windings differ 30 degree of electrical angles, due to carrying out motor power conversion in the motor
The subspace α, β voltage vector, while x can be projected, on y harmonic wave subspace, so the vector of common three-phase motor and directly turning
Square control method, requires suitably modified, could be suitble to use in double three-phase machine.
In order to eliminate the harmonic components of double three-phase machine, using for reference the method to come from conventional three-phase motor control method has:
The SVPWM method of four-vector synthesis, double zero sequences inject PWM method, and three-phase decouples the methods of PWM.In recent years, with model prediction
Extensive use of the control algolithm in motor field has the voltage arrow of four kinds of different amplitude sizes of document utilization double three-phase machine
Amount, in α, the position different characteristics of the subspace β and x, y harmonic wave subspace can synthesize production using the voltage vector of 2-3 kind amplitude
Raw x, the vector that the subspace y voltage is zero, and then binding model predictive control algorithm control motor to inhibit harmonic wave electric
Stream, improves the efficiency of motor.But the control process that these methods are combined using the vector of a variety of amplitudes, one side vector
Synthesis process complexity it is time-consuming, on the other hand do not make full use of maximum voltage vector yet.One kind proposed by the present invention is based on
The six-phase motor method for inhibiting harmonic current of model prediction Direct Torque Control, takes full advantage of maximum voltage vector, realizes
The inhibition of the subspace x, y harmonic current, and method is simple and easy.
Summary of the invention
The object of the present invention is to provide a kind of six-phase motor current harmonics eliminations based on model prediction Direct Torque Control
Method makes full use of maximum voltage vector, realizes the inhibition of harmonic current, promotes electric efficiency.The technology used in the present invention
Scheme, described below:
Step 1: according to six-phase motor voltage vector feature, analysis meets the vector requirement of current harmonics elimination；
Step 2: selecting rule according to the vector of Direct Torque, consider the situation of change of torque and magnetic linkage, formulation meets humorous
The vector that wave inhibits selects table；
Step 3: corresponding zero vector being selected according to the minimum principle of on-off times, zero vector is formulated and corresponds to table；
Step 4: going out the prediction model of motor by the Derivation of Mathematical Model of six-phase motor；
Step 5: the characteristics of according to model prediction Direct Torque Control, obtaining simplified cost function；
Step 6: when motor operation, obtaining the parameter of electric machine and current state, vector corresponding in vector table is substituted into one by one
Prediction model obtains harmonic prediction value；
Step 7: harmonic prediction value being substituted into cost function, obtains functional value；
Step 8: repeating step 6 and step 7, find the smallest voltage vector of current function value as optimal vector；
Step 9: exporting optimal vector to 6 phase inverters, inverter executes corresponding actions according to vector controlled switching tube, defeated
Voltage controls motor operation out；Step 10: constantly repeating step 6 and arrive step 9, motor is by continuous operation.
Compared with the prior art, the advantages of the invention are the characteristics of using Direct Torque Control, obtain vector selection table, root
According to the situation of change of torque and magnetic linkage, as long as at most predicting 3 vectors；System has used zero vector, can reduce and turn
Square fluctuation and raising efficiency；The maximum voltage vector for taking full advantage of system, improves the voltage utilization of system；Scheme is implemented
Process is simple and easy, can effectively inhibit six-phase motor harmonic current, promote the efficiency of motor.
Detailed description of the invention
The source six-phase motor drive system structure of the bis- three-phase neutral point isolation of Fig. 1
Fig. 2 six-phase system α, β and x, the subspace y voltage vector distribution map
The continuous vector in the subspace Fig. 3 α, β 3 is in x, the changes in spatial distribution of the subspace y
Six-phase motor control system block diagram of the Fig. 4 based on model prediction Direct Torque Control
Specific embodiment
1-4 carries out the detailed description of specific embodiment to the present invention with reference to the accompanying drawing:
Step 1: according to six-phase motor voltage vector feature, analysis meets the vector requirement of current harmonics elimination；
The source six-phase motor drive system of the present invention corresponding neutral point isolation is as shown in Figure 1, α, β and the x of the system, y
The vector of subspace can be expressed as follows:
Wherein a=ejπ/6, (Sa,Sb,Sc,Sd,Se,Sf) switch state of the ∈ (0,1) for six bridge arms of inverter, such as Sa=0
When indicate upper bridge arm switching tube Sa1Cut-off, lower bridge arm switching tube Sa2Conducting, SaThen on the contrary, other bridge arms are similar when=1.α, β and
The subspace x, y each has 26=64 vectors are divided into 4 amplitude sizes, vector space such as Fig. 2 of L4, L3, L2, L1 composition
Shown, two numbers of target are each switching tube state indicated with 2 systems, such as V under each vector in figure64Represent binary system
(110 100) respectively correspond six switch (Sa,Sb,Sc,Sd,Se,Sf) switch state.
Due to α, the L4 amplitude vector that any two are adjacent in β (being separated by 30 degree), in x, the subspace y, which will form, to be separated by
150 degree of two L1 amplitude vectors.So continuous phase always can shape on x, the subspace y every 30 degree of 3 L4 vectors in α, β
Positive and negative 150 degree of L1 vector, example as shown in Figure 3 are respectively differed with the 1st, the 3rd vector at the 2nd.α is selected every time, 3 of L4 in β
Continuous vector is that it can be made to synthesize the vector that amplitude is zero in x, y.
Step 2: selecting rule according to the vector of Direct Torque, consider the situation of change of torque and magnetic linkage, formulate vector choosing
Select table；
Rule is selected according to the vector of control system block diagram shown in Fig. 4 and Direct Torque, considers torque and magnetic linkage
Changes delta ψ, Δ TeValue, when motor status is located at sector S1, is divided into 4 kinds of situations for 12 of outermost layer L4 big vector, can be with
Obtain below table.
Vector selects table when 1 sector S1 of table
1 indicates reference value ψ in tableref,Greater than current value ψ, Te, the vector for selecting to increase current value is needed at this time；
- 1 indicate the vector for needing to select to be worth before reducing accordingly, 0 expression current value remains unchanged selection zero vector.When motor presses the inverse time
When needle rotates to the different sectors from S2 to S12, the vector in upper table also presses position shown in Fig. 2, rotates counterclockwise
Obtain corresponding vector table.
Step 3: corresponding zero sequence vector being selected according to the minimum principle of on-off times, zero vector is formulated and corresponds to table；
Since zero vector has V00, V77, V07, tetra- kinds of V70, the selection of zero vector switches to null vector according to by current vector
The minimum principle of on-off times is selected when amount, available the following table 2.
Corresponding zero vector when 2 difference vector of table
| Current vector | V44 | V64 | V66 | V26 | V22 | V32 |
| Zero vector | V00 | V70 | V77 | V07 | V00 | V70 |
| Current vector | V33 | V13 | V11 | V51 | V55 | V45 |
| Zero vector | V77 | V07 | V00 | V70 | V77 | V07 |
Step 4: going out the prediction model of motor by the Derivation of Mathematical Model of six-phase motor；
The mathematical model of six-phase motor is for example following various shown, and wherein d, the voltage equation in the space q are as follows:
The voltage equation in the space x, y is as follows:
The magnetic linkage and torque equation of motor are as follows:
To Euler's discrete method before from (3) formula combination single order, x can be obtained, the current forecasting model in the space y is as follows:
Step 5: the characteristics of according to model prediction Direct Torque Control, obtaining simple and easy cost function；
Traditional cost function is general are as follows:
Such cost function needs to carry out λ1,λ2,λ3The adjustment of three factors, it is more complicated.And since this method combines
The advantages of Direct Torque, when selecting the voltage vector of table 1, it has been contemplated thatΔTeEffect and influence, so can
To remove magnetic linkage and torque portions in cost function, simplify are as follows:
Such cost function does not need to carry out λ1,λ2,λ3The adjustment of three factors, it is very simple and easy.
Step 6: when motor operation, obtaining the parameter of electric machine and current state first, one by one by vector corresponding in vector table
Prediction model is substituted into, harmonic prediction value is obtained；
1) by the current state i of motorabcdef, θ various obtains i according to followingd,iq,ix,iy:
2) by id,iqAnd the parameter L that motor is intrinsicd,Lq,ψf, according to (4) formula it can be concluded that Te, ψ value；
3) by PI controller it can be concluded that Te ref, and the ψ of settingrefWith Te, ψ carries out stagnant ring and relatively obtains Δ Te,Δ
ψ；
Step 7: if Δ Te=0, then exporting zero vector as V according to vector table 2opt, go to step 9；
Step 8: if Δ Te≠ 0, an optimal vector V is obtained by prediction model and cost functionopt；
1) according to Δ Te, the value and vector table 1 of Δ ψ, 3 voltage vectors preselected；
2) the intrinsic parameter L of motor is combinedz,RsAnd system communication cycle Ts, it is pre- that 3 voltage vectors are substituted into electric current one by one
Modular form (5) are surveyed to obtain
3) according to cost function (7), voltage vector when cost function minimum is found out, as optimal vector Vopt；
Step 9: output voltage vector VoptTo 6 phase inverters, for inverter according to hex value each in vector, control is corresponding
Switching tube is opened or is cut-off, and corresponding voltage control motor operation is exported；
Step 10: constantly repeating step 6 and arrive step 9, motor will continuously run according to the scheme of setting, realize to harmonic wave electricity
The inhibition of stream.
The six-phase motor control system implemented by above step, can effectively inhibit by ix,iyThe harmonic current of composition, mentions
The operational efficiency of high motor.
Claims (4)
1. a kind of six-phase motor method for inhibiting harmonic current based on model prediction Direct Torque Control, which is characterized in that described
Control method the following steps are included:
1) the harmonic wave origin cause of formation for considering six-phase motor, selects according to the vector of six-phase motor voltage vector feature and Direct Torque
Rule formulates vector and selects table；
2) it is carried out selecting corresponding zero sequence vector according to the minimum principle of on-off times, formulates zero vector and correspond to table；
3) by the prediction model of six-phase motor, cost function, vector table, binding model predicts Direct Torque Control to motor
It is controlled.
2. a kind of six-phase motor current harmonics elimination side based on model prediction Direct Torque Control according to claim 1
Method, it is characterised in that involved motor is that two sets of three-phase windings differ 30 degree of electrical angles, and the six-phase permanent-magnet motor of neutral point isolation.
3. a kind of six-phase motor current harmonics elimination side based on model prediction Direct Torque Control according to claim 1
Method, it is characterised in that vector selects table as shown below:
Vector selects table when 1 sector S1 of table
When motor is by different sectors are rotated counterclockwise to, the vector in upper table also can be obtained by by rotation counterclockwise corresponding
Vector table.
4. a kind of six-phase motor current harmonics elimination side based on model prediction Direct Torque Control according to claim 1
Method, it is characterised in that used cost function are as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623237.8A CN110336511B (en) | 2019-07-11 | 2019-07-11 | Six-phase motor harmonic current suppression method based on model prediction direct torque control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623237.8A CN110336511B (en) | 2019-07-11 | 2019-07-11 | Six-phase motor harmonic current suppression method based on model prediction direct torque control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110336511A true CN110336511A (en) | 2019-10-15 |
| CN110336511B CN110336511B (en) | 2021-10-22 |
Family
ID=68146342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623237.8A Expired - Fee Related CN110336511B (en) | 2019-07-11 | 2019-07-11 | Six-phase motor harmonic current suppression method based on model prediction direct torque control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336511B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162708A (en) * | 2020-01-14 | 2020-05-15 | 中南大学 | Asynchronous motor model prediction control method |
| CN111585477A (en) * | 2020-06-04 | 2020-08-25 | 福州大学 | Voltage vector preselection-based dual-motor drive system predicted torque control method |
| CN113098348A (en) * | 2021-04-09 | 2021-07-09 | 沈阳工业大学 | Double three-phase permanent magnet synchronous motor predicted torque control method |
| CN114189184A (en) * | 2021-11-25 | 2022-03-15 | 上大电气科技(嘉兴)有限公司 | Six-phase motor model prediction control method for reducing harmonic content |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101335499A (en) * | 2008-07-24 | 2008-12-31 | 江苏大学 | Controlling method of 4 phase permanent magnet fault tolerant motor |
| CN105162380A (en) * | 2015-10-13 | 2015-12-16 | 哈尔滨工业大学 | Six-phase permanent-magnet synchronous motor model predictive control method |
| WO2016089859A1 (en) * | 2014-12-02 | 2016-06-09 | Princeton Power Systems, Inc. | Bidirectional high frequency variable speed drive for chp (combined heating and power) and flywheel applications |
| CN107565865A (en) * | 2017-09-13 | 2018-01-09 | 华中科技大学 | A kind of fault-tolerant double vector prediction control method and device of six-phase permanent-magnet motor |
| CN107994832A (en) * | 2017-11-24 | 2018-05-04 | 东南大学 | A kind of multichannel permanent magnet synchronous motor mixing Direct Torque Control |
| EP3399641A1 (en) * | 2011-09-29 | 2018-11-07 | Daihen Corporation | Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and pwm converter system |
| CN109217765A (en) * | 2018-09-17 | 2019-01-15 | 沈阳工业大学 | A kind of double three-phase permanent-magnetic synchronous motor Direct Torque Control |
| CN109379013A (en) * | 2018-11-30 | 2019-02-22 | 北京理工大学 | A kind of permanent magnet synchronous motor method for suppressing torque ripple |
| CN109951128A (en) * | 2019-04-02 | 2019-06-28 | 合肥工业大学 | The SMPMSM drive system model-free current predictive control method and control system of inverter reference voltage vector on-line optimization |
-
2019
- 2019-07-11 CN CN201910623237.8A patent/CN110336511B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101335499A (en) * | 2008-07-24 | 2008-12-31 | 江苏大学 | Controlling method of 4 phase permanent magnet fault tolerant motor |
| EP3399641A1 (en) * | 2011-09-29 | 2018-11-07 | Daihen Corporation | Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and pwm converter system |
| WO2016089859A1 (en) * | 2014-12-02 | 2016-06-09 | Princeton Power Systems, Inc. | Bidirectional high frequency variable speed drive for chp (combined heating and power) and flywheel applications |
| CN105162380A (en) * | 2015-10-13 | 2015-12-16 | 哈尔滨工业大学 | Six-phase permanent-magnet synchronous motor model predictive control method |
| CN107565865A (en) * | 2017-09-13 | 2018-01-09 | 华中科技大学 | A kind of fault-tolerant double vector prediction control method and device of six-phase permanent-magnet motor |
| CN107994832A (en) * | 2017-11-24 | 2018-05-04 | 东南大学 | A kind of multichannel permanent magnet synchronous motor mixing Direct Torque Control |
| CN109217765A (en) * | 2018-09-17 | 2019-01-15 | 沈阳工业大学 | A kind of double three-phase permanent-magnetic synchronous motor Direct Torque Control |
| CN109379013A (en) * | 2018-11-30 | 2019-02-22 | 北京理工大学 | A kind of permanent magnet synchronous motor method for suppressing torque ripple |
| CN109951128A (en) * | 2019-04-02 | 2019-06-28 | 合肥工业大学 | The SMPMSM drive system model-free current predictive control method and control system of inverter reference voltage vector on-line optimization |
Non-Patent Citations (2)
| Title |
|---|
| 李山: "《基于零序平衡矢量的六相感应电动机SVPWM策略研究》", 《机床与液压》 * |
| 肖扬: "《间接式矩阵变换器馈电双三相电机驱动系统的研究》", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技II辑》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162708A (en) * | 2020-01-14 | 2020-05-15 | 中南大学 | Asynchronous motor model prediction control method |
| CN111162708B (en) * | 2020-01-14 | 2023-04-11 | 中南大学 | Asynchronous motor model prediction control method |
| CN111585477A (en) * | 2020-06-04 | 2020-08-25 | 福州大学 | Voltage vector preselection-based dual-motor drive system predicted torque control method |
| CN111585477B (en) * | 2020-06-04 | 2021-09-28 | 福州大学 | Voltage vector preselection-based dual-motor drive system predicted torque control method |
| CN113098348A (en) * | 2021-04-09 | 2021-07-09 | 沈阳工业大学 | Double three-phase permanent magnet synchronous motor predicted torque control method |
| CN113098348B (en) * | 2021-04-09 | 2023-10-31 | 沈阳工业大学 | Predictive torque control method for double three-phase permanent magnet synchronous motor |
| CN114189184A (en) * | 2021-11-25 | 2022-03-15 | 上大电气科技(嘉兴)有限公司 | Six-phase motor model prediction control method for reducing harmonic content |
| CN114189184B (en) * | 2021-11-25 | 2023-12-01 | 上大电气科技(嘉兴)有限公司 | Six-phase motor model predictive control method for reducing harmonic content |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110336511B (en) | 2021-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110336511A (en) | A kind of six-phase motor method for inhibiting harmonic current based on model prediction Direct Torque Control | |
| Rodriguez et al. | State of the art of finite control set model predictive control in power electronics | |
| Nagarajan et al. | Performance analysis of a novel reduced switch cascaded multilevel inverter | |
| CN107565865B (en) | A kind of fault-tolerant double vector prediction control method and device of six-phase permanent-magnet motor | |
| CN108683216B (en) | Harmonic power uniform control method for parallel inverter under nonlinear load | |
| CN109586590B (en) | Multifunctional space vector modulation method for current source type current transformer | |
| CN109217765A (en) | A kind of double three-phase permanent-magnetic synchronous motor Direct Torque Control | |
| CN111064377B (en) | Synchronous carrier DPWM method for avoiding two-level jump of phase voltage of three-level inverter | |
| CN108390604A (en) | Five bridge arms, two permanent magnet motor system Zero voltage vector optimizes modulating device and method | |
| CN110912436B (en) | Three-level converter synchronous carrier DPWM control method | |
| Zhang et al. | A novel simplified finite control set repeat model predictive control for grid-connected inverters | |
| Guazzelli et al. | Dual predictive current control of grid connected nine-switch converter applied to induction generator | |
| CN113162045A (en) | Inverter control method and device containing nonlinear load island microgrid harmonic suppression | |
| CN117353379A (en) | Control method and system for high-order grid-connected converter based on virtual double-machine parallel technology | |
| Vinogradov et al. | Control of a multilevel frequency converter of a power-efficient electric drive | |
| CN106026823B (en) | A kind of motor driver topology and control algolithm | |
| CN111541409B (en) | SVPWM control method for single-phase open-circuit fault of five-phase permanent magnet synchronous motor based on modulation function | |
| Tozzi et al. | Enhanced space vector PWM for six to three-phase matrix converter interfacing PMSG with the grid | |
| CN114400911A (en) | Three-phase current source type converter direct-current side current ripple suppression subdivision modulation method | |
| CN105827124A (en) | Matrix rectifier control method | |
| CN112467776A (en) | Current source type converter system, control method and space vector modulation method | |
| CN108809179A (en) | A kind of band is tabled look-up the New energy automobile motor control method of ovennodulation | |
| Menshawi et al. | Multistage inverters control using surface hysteresis comparators | |
| Yang et al. | A novel sequential direct torque control scheme for seven-phase induction motors | |
| Atia et al. | Analysis and design of improved predictive direct power control strategy for renewable energy grid-connected systems |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |