CN103296955A - Matrix converter based alternating-current variable-frequency speed control system - Google Patents
Matrix converter based alternating-current variable-frequency speed control system Download PDFInfo
- Publication number
- CN103296955A CN103296955A CN2013102016067A CN201310201606A CN103296955A CN 103296955 A CN103296955 A CN 103296955A CN 2013102016067 A CN2013102016067 A CN 2013102016067A CN 201310201606 A CN201310201606 A CN 201310201606A CN 103296955 A CN103296955 A CN 103296955A
- Authority
- CN
- China
- Prior art keywords
- circuit
- output
- matrix converter
- resistance
- variable
- 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
Classifications
-
- Y02P80/112—
-
- Y02P80/116—
Landscapes
- Ac-Ac Conversion (AREA)
Abstract
The invention relates to a matrix converter based alternating-current variable-frequency speed control system suitable for alternating-current variable-frequency speed control of motors, and belongs to the technical field of intelligent electrical engineering and electric apparatuses. The matrix converter based alternating-current variable-frequency speed control system is designed based on a vector control technology, the problems of low power factors, serious harmonic pollution and the like of traditional alternating current-direct current-alternating current power converters can be solved effectively, operation performance of an alternating-current motor speed control system is further improved, and application of alternating-current transmission to the industrial automation field is widened and deepened. The matrix converter based alternating-current variable-frequency speed control system has the advantages that in application, electric energy can be saved, environmental problems of power systems caused by harmonic pollution are avoided, and requirements on high performances of alternating-current speed control are met.
Description
Technical field
The present invention relates to a kind of AC variable-frequency speed regulation system based on matrix converter, be applicable to the ac variable frequency speed regulation of motor, belong to intelligent electrician's technical field of electric appliances.
Technical background
By retrieval, the design about the AC variable-frequency speed regulation system of motor at present mainly contains following 3 kinds: 1) mathematical model adds traditional PID control, as field orientation, non-linear decoupling zero control, direct torque control etc., existingly in practice uses preferably; 2) adopt the modern control theory method that does not rely on mathematical models, as artificial neural net, adaptive control, Sliding mode variable structure control, Fuzzy control etc., they have separately advantage and limitation.3) vector control, the basic principle that vector control realizes is by measuring and control asynchronous motor stator current phasor, respectively exciting current and the torque current of asynchronous motor are controlled according to the field orientation principle, thereby reached the purpose of controlling induction motors torque.Carried out big quantity research around the vector control Chinese scholars in recent years.
The design of prior motor ac variable frequency speed regulation contains the dc energy storage link mostly, and not only volume, weight are big, installs, uses inconvenient, and is unsuitable for maintenance, and useful life is short.Mathematical model adds that traditional PID control is poor to the adaptive capacity of load variations, a little less than the antijamming capability, is subject to the system parameter variations influence; And characteristics such as that ac control system has is non-linear, close coupling, multivariable and pure hysteresis are difficult to describe with precise math model, and this just makes the traditional control method based on mathematical models face serious challenge.Adopting does not rely on the modern control theory method of mathematical models that more shortcomings and limitations are also arranged.
Summary of the invention
The purpose of this invention is to provide a kind of AC variable-frequency speed regulation system based on matrix converter, solve the above-mentioned described use inconvenience of the AC variable-frequency speed regulation system existence of existing motor, be unsuitable for maintenance, poor anti jamming capability, solve problems such as the power factor (PF) that traditional AC-DC-AC power converter exists is low, harmonic pollution is serious by the present invention, realize both can saving electric energy, avoid again also satisfying the high performance requirements of AC speed regulating simultaneously because harmonic pollution brings the electric power system environmental issue.
The objective of the invention is to be achieved through the following technical solutions, a kind of AC variable-frequency speed regulation system based on matrix converter is characterized in that, described system comprises matrix converter main circuit and control circuit two parts; Wherein the matrix converter main circuit comprises bidirectional switch matrix circuit, clamping protective circuit, LC filter circuit; Control circuit comprises DSP control chip and peripheral circuit, based on isolated drive circuit, phase current testing circuit and line voltage detecting circuit and the motor speed measuring circuit of the power device of FPGA; LC filter circuit in the matrix converter main circuit, the phase current testing circuit in the control circuit connect the three-phase alternating current input; The input termination motor of the output of the bidirectional switch matrix circuit in the matrix converter main circuit, the line voltage detecting circuit in the control circuit, motor speed measuring circuit; The data and address bus port of the DSP control chip in the control circuit connects the I/O port of FPGA, the ADC N01 termination phase current testing circuit output of DSP control chip, the output of the ADC N00 terminal voltage A/D change-over circuit of DSP control chip, the output of the QEP1 termination motor speed measuring circuit of DSP control chip, I/O termination keyboard and the liquid crystal display of DSP control chip; The input of each road bidirectional switch in the bidirectional switch matrix circuit in the output termination matrix converter main circuit of the isolated drive circuit in the control circuit.
The output of the LC filter circuit in the described matrix converter main circuit connects the bidirectional switch matrix circuit, and clamping protective circuit is connected across input, the output of bidirectional switch matrix circuit.
Bidirectional switch matrix circuit in the described matrix converter main circuit is the matrix structure of 3x3, constituted by 18 IGBT, a, b, c are the three-phase alternating current electrical input, and A, B, C are the three-phase alternating current output, and output directly links to each other through nine bidirectional switchs with three-phase in the three-phase input.
Described bidirectional switch is by insulated gate bipolar transistor (IGBT) Q1, Q2, and diode D1, D2 constitute; Q1 and D2 series connection, Q2 and D1 series connection, reverse parallel connection then.
Described DSP control chip adopts TMS320LF2407A.
Described isolated drive circuit is by U1, U2 buffer 74HCT244, optocoupler HCPL2630, M57962, TLP521, P6KE33A, P6KE18CA, FR107, and resistance, electric capacity is formed; The input of U1 buffer 74HCT244 and the I/O of FPGA are connected, and connect the U2 buffer again behind the output termination optocoupler HCPL23630, and the output of U2 buffer connects 14 pin of optocoupler M57962; Two optocoupler TLP521-1 are connected with another I/0 mouth of FPGA with TLP521-2, and combine with optocoupler M57962, realize the short-circuit protection to IGBT; No. 4 pin and No. 6 pin of optocoupler M57962 are power supply, resistance R 7 is the driving resistance of IGBT, the size of regulating resistance R 7 can change the switching speed of IGBT, P6KE18CA is two-way Transient Suppression Diode (TVS), be used for the driving voltage clamp of IGBT, make the amplitude of IGBT driving voltage less than 18V.P6KE33A is unidirectional TVS, and the potential difference of No. 1 pin and No. 6 pin is clamped at below the 33V, guarantees the trouble free service of optocoupler M57962.
The Standard resistance range of described adjusting resistance R 7 is 10～20 Ω.
Described clamping protection circuit is by diode D3-D14, resistance R 8, R9, R10, and capacitor C 6, C7, Zener diode Z1, insulated gate bipolar transistor (IGBT) Q4 forms; The output of rectifier diode group is received the release circuit two ends of being made up of insulated gate bipolar transistor Q4, Zener diode Z1, resistance R 10 behind resistance.
Phase current testing circuit in the described control circuit is by Hall current sensor CS050LX, resistance R 30-R35, and operational amplifier A R5-AR6 and diode D17-D18 form; The 3rd pin connecting resistance R30 of Hall current sensor CS050LX, connecting resistance R32 between operational amplifier A R5 and the AR6, R31 is connected on negative terminal and the output of AR5, R34 connects the AR5 anode, R33 is connected on negative terminal and the output of AR6, and R35 is connected on the anode of AR6, the 110th pin ADC N01 of the output termination DSP of AR6, two diode D17, D18 are connected in the middle of the AR6 output; The output of phase current testing circuit connects the 110th pin ADC N01 end of dsp chip, the input of phase current direction decision circuitry respectively; The 112nd pin ADC N00 end of the output termination DSP control chip of voltage A/D change-over circuit, the 83rd pin QEP1 of DSP control chip, the 79th pin QEP2 connect the output of motor speed measuring circuit, through the output of voltage A/D change-over circuit input wiring voltage detecting circuit; The I/O mouth of the power device of the output Iout termination FPGA of phase current direction decision circuitry.
Described DSP control chip and peripheral circuit externally deposit into capable read-write operation by the RAM enable of FPGA power device, after calculating duty ratio and phase region, universaling I/O port by DSP sends to FPGA with 4 road PWM ripples and phase region coding, further carry out work decoding by FPGA, directly obtain the relevant parameter of 18 switching tube IGBT real-time control signals after the decoding.
The present invention is based on vector control technology, designed the matrix converter AC variable-frequency speed regulation system, the power factor (PF) that can effectively solve traditional AC-DC-AC power converter existence is low, problems such as harmonic pollution is serious, further improve the ac motor speed control system performance, enlarge and deepen to exchange transmission in the application in industrial automation field, the present invention is based on the AC variable-frequency speed regulation system of matrix converter, in application, both can save electric energy, avoided again also having satisfied the high performance requirements of AC speed regulating simultaneously because harmonic pollution brings the electric power system environmental issue.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is bidirectional switch matrix circuit schematic diagram of the present invention;
Fig. 3 is any one road bidirectional switch electrical schematic diagram among the present invention;
Fig. 4 is IGBT Drive Protecting Circuit schematic diagram among the present invention;
Fig. 5 is LC filter circuit schematic diagram among the present invention;
Fig. 6 is clamping protection circuit theory diagrams among the present invention;
Fig. 7 is DSP and FPGA connection diagram among the present invention;
Fig. 8 is voltage A/D change-over circuit figure among the present invention;
Fig. 9 is motor speed measuring circuit schematic diagram among the present invention;
Figure 10 is neutral voltage testing circuit schematic diagram of the present invention;
Figure 11 is phase current direction decision circuitry schematic diagram among the present invention;
Figure 12 is phase current testing circuit figure among the present invention.
Embodiment
Further specify the present invention in conjunction with the accompanying drawings and embodiments, as shown in Figure 1, the present invention includes matrix converter main circuit and control circuit two parts; Wherein the matrix converter main circuit comprises bidirectional switch matrix circuit, clamping protective circuit, LC filter circuit; Control circuit comprises DSP control chip and peripheral circuit, based on isolated drive circuit, phase current testing circuit and line voltage detecting circuit and the motor speed measuring circuit of the power device of FPGA; LC filter circuit in the matrix converter main circuit, the phase current testing circuit in the control circuit connect the three-phase alternating current input; The input termination motor of the output of the bidirectional switch matrix circuit in the matrix converter main circuit, the line voltage detecting circuit in the control circuit, motor speed measuring circuit; The data and address bus port of the DSP control chip in the control circuit connects the I/O port of FPGA, the ADC N01 termination phase current testing circuit output of DSP control chip, the output of the ADC N00 terminal voltage A/D change-over circuit of DSP control chip, the output of the QEP1 termination motor speed measuring circuit of DSP control chip, I/O termination keyboard and the liquid crystal display of DSP control chip; The input of each road bidirectional switch in the bidirectional switch matrix circuit in the output termination matrix converter main circuit of the isolated drive circuit in the control circuit.FPGA is field programmable gate array.
As shown in Figure 1, the DSP in the control circuit and FPGA are cores of the present invention.At first each voltage, the input of current sensor detection system, outlet side voltage, current signal, voltage signal is through the AD conversion, again in conjunction with the detected rotor angle frequency information of speed detect circuit, be input to jointly in the core control circuit of DSP and FPGA, and calculate the index of modulation, modulation period, output voltage frequency and detected line voltage sector and phase current sector on this basis.At this moment, DSP is again according to the modulation algorithm program, and real-time calculating is also handled each variable relation, obtains 5 on off state and the duty ratio thereof of space vector modulation in a switch periods, produces 9 road pwm signals according to 9 sections modulation methods then, exports FPGA to.Pwm signal and the phase current direction signal of the comprehensive DSP of FPGA output are carried out four step change of current methods, can obtain in the two-way matrix of 3x3 the driving pulse of totally 18 IGBT.These driving pulses are controlled each IGBT corresponding actions by isolated drive circuit, and simultaneity factor detects electric current, voltage signal again, has namely finished the real-time control of The whole control system.
As shown in Figure 2, the bidirectional switch matrix circuit is the matrix structure of 3x3, mainly constituted by 18 IGBT, and a, b, c are the three-phase alternating current electrical input, A, B, C are the three-phase alternating current output, output directly links to each other with 9 bidirectional switchs with three-phase in the three-phase input.
Be illustrated in figure 3 as the detailed electrical schematic diagram of any one road bidirectional switch, circuit is by insulated gate bipolar transistor (IGBT) Q1, Q2, and diode D1, D2 constitute.Q1 and D2 series connection, inverse parallel is carried out in Q2 and D1 series connection then.The working condition of each bidirectional switch is as follows:
1. conducting, Q1 and D2 are connected into forward current path (1 end flows to 2 ends) during forward conduction, and Q2 and D1 are connected into the reverse current path during reverse-conducting;
2. turn-off, when 2 terminal voltages were higher than 1 end, because diode D1 can make its voltage clamp that oppositely bears on the D1 forward voltage drop, and the reverse pressure drop major part of whole bidirectional switch drop on the D2 to the Q1 clamp, situation was also similar when 1 terminal voltage is higher than 2 ends.
As shown in Figure 4, isolated drive circuit is mainly by buffer 74HCT244, optocoupler HCPL2630, M57962, TLP521, P6KE33A, P6KE18CA, FR107, resistance, compositions such as electric capacity.The input of buffer 1 is connected with the I/O of FPGA, and output termination HCPL23630 connects buffer 2 again, and the output of buffer 2 connects No. 14 pins of M57962.Two optocoupler TLP521-1 are connected with another I/0 mouth of FPGA with TLP521-2, and combine with M57962, realize the short-circuit protection to IGBT.No. 4 pin and No. 6 pin of M57962 are power supply, R7 is the driving resistance of IGBT, the size of regulating R7 can change the switching speed of IGBT, the Standard resistance range of R7 is 10～20 Ω, P6KE18CA is two-way Transient Suppression Diode (TVS), be used for the driving voltage clamp of IGBT, make the amplitude of IGBT driving voltage less than 18V.P6KE33A is unidirectional TVS, and the potential difference of No. 1 pin and No. 6 pin is clamped at below the 33V, guarantees the trouble free service of M57962.
As shown in Figure 5, the LC filter circuit mainly is made up of inductance L 1, L2, L3 and capacitor C 3, C4, C5.The three-phase alternating current input voltage is from Ua1, Ub1, Uc1 holds input, respectively behind the filter circuit of forming by inductance and electric capacity from Ua2, Ub2, Uc2 output.
As shown in Figure 6, the clamping protection circuit is mainly by diode D3-D14, resistance R 8, R9, R10, and capacitor C 6, C7, Zener diode Z1, insulated gate bipolar transistor (IGBT) Q4 forms.Symmetrical substantially about this circuit, the output of rectifier diode group is received the circuit two ends of being made up of Q4, Z1, R10 behind resistance.This clamping protection circuit plays the effect of the whole matrix converter safe operation of protection.
Be DSP and FPGA connection diagram as Fig. 7.After system powers on, DSP externally deposits into capable read-write operation by the RAM enable of FPGA, after calculating duty ratio and phase region, universaling I/O port by DSP sends to FPGA with 4 road PWM ripples and phase region coding, further carry out work decoding by FPGA, directly obtain the relevant parameter of 18 switching tube real-time control signals after the decoding.
As shown in Figure 8, voltage A/D change-over circuit is mainly by dsp chip, operational amplifier A R1, AR2, and resistance and slide rheostat P1 form.The voltage signal U of line voltage measurement circuit output
ApFrom U
InThe inverting input of input input operational amplifier AR2 after resistance R 15 exports the in-phase end of AR1 to after AR2 isolates, voltage exports the AD sampling end of DSP to after amplifying, be responsible for being converted to digital signal by DSP.
As shown in Figure 9, the tachometric survey circuit mainly adopts rotary encoder to measure motor speed, and this chip has three tunnel outputs, is respectively A phase, B phase and Z mutually, and wherein A is used for testing the speed with B mutually.Input is respectively A, B point in this circuit, in the motor rotation process, can produce the voltage signal of cycle break-make, forms square-wave signal.When input signal was high level, the LED in the optocoupler was luminous, made photosensitive triode conducting, thus the output high level to DSP, when input signal is low level, not conducting of optocoupler, DSP receives is low level.By to the counting of this square wave change frequency, just can calculate the rotating speed of motor.
As shown in figure 10, voltage detecting circuit is mainly by voltage transformer TF1, operational amplifier A R3, AR4, and resistance, electric capacity and diode D15 form.Voltage transformer TF1 output voltage elder generation is through the filter filtering of resistance R 21 and capacitor C 8 compositions, the end of oppisite phase of input operational amplifier after resistance R 22 then, input AR4 in-phase end after amplifying, after isolating, export voltage A/D change-over circuit sample port to, the effect of diode D15 is to prevent that output voltage from surpassing the sampled voltage upper limit+3.3V of dsp chip, when output voltage surpass+during 3.3V, diode D1 conducting, voltage is dragged down, prevent accident.
As shown in figure 11.Phase current direction decision circuitry is mainly by voltage comparator LM311, resistance R 25-R29,, slide rheostat P3, capacitor C 9-C13 and diode D16 form.The 2nd pin of LM311 meets the resistance R 25 of series connection, R26, R25, R26 indirect capacitor C 9, the other end ground connection of C9, the 3rd pin of LM311 meets swept resistance P3, P3 other end ground connection, the 3rd, 6 pin indirect resistance R27, the 4th, 6 pin indirect resistance R28, capacitor C 12 in parallel, the 4th pin of C13 one termination LM311, other end ground connection, the 7th pin of LM311 connects capacitor C 10 in parallel, C11 one end, C10 in parallel, C11 other end ground connection, the 6th pin of LM311 meets diode D16, the diode D16 other end is output, pull down resistor R29 of indirect, resistance R 29 other end ground connection.
As shown in figure 12.The phase current testing circuit is mainly by Hall current sensor CS050LX, resistance R 30-R35, and operational amplifier A R5-AR6 and diode D17-D18 form.The 3rd pin connecting resistance R30 of C1, connecting resistance R32 between operational amplifier A R5 and the AR6, R31 is connected on negative terminal and the output of AR5, R34 connects the AR5 anode, R33 is connected on negative terminal and the output of AR6, and R35 is connected on the anode of AR6, the 110th pin ADC N01 of the output termination DSP of AR6, two diode D17, D18 is connected in the middle of the AR6 output.
Among the present invention, LC filter circuit, line voltage detecting circuit, tachometric survey circuit, A/D change-over circuit, phase current direction decision circuitry all adopt existing ripe circuit.Consider in the input signal and may contain some high order harmonic components, directly feeding back to DSP and fpga chip can impact system, thereby all is provided with low pass filter in voltage detecting circuit and phase current direction decision circuitry.
DSP described in the present invention is digital signal processor, and FPGA is field programmable gate array.
Claims (10)
1. the AC variable-frequency speed regulation system based on matrix converter is characterized in that, described system comprises matrix converter main circuit and control circuit two parts; Wherein the matrix converter main circuit comprises bidirectional switch matrix circuit, clamping protective circuit, LC filter circuit; Control circuit comprises DSP control chip and peripheral circuit, based on isolated drive circuit, phase current testing circuit and line voltage detecting circuit and the motor speed measuring circuit of the power device of FPGA; LC filter circuit in the matrix converter main circuit, the phase current testing circuit in the control circuit connect the three-phase alternating current input; The input termination motor of the output of the bidirectional switch matrix circuit in the matrix converter main circuit, the line voltage detecting circuit in the control circuit, motor speed measuring circuit; The data and address bus port of the DSP control chip in the control circuit connects the I/O port of FPGA, the ADC N01 termination phase current testing circuit output of DSP control chip, the output of the ADC N00 terminal voltage A/D change-over circuit of DSP control chip, the output of the QEP1 termination motor speed measuring circuit of DSP control chip, I/O termination keyboard and the liquid crystal display of DSP control chip; The input of each road bidirectional switch in the bidirectional switch matrix circuit in the output termination matrix converter main circuit of the isolated drive circuit in the control circuit.
2. the AC variable-frequency speed regulation system based on matrix converter according to claim 1; it is characterized in that; the output of the LC filter circuit in the described matrix converter main circuit connects the bidirectional switch matrix circuit, and clamping protective circuit is connected across input, the output of bidirectional switch matrix circuit.
3. the AC variable-frequency speed regulation system based on matrix converter according to claim 1, it is characterized in that, bidirectional switch matrix circuit in the described matrix converter main circuit is the matrix structure of 3x3, constituted by 18 IGBT, a, b, c are the three-phase alternating current electrical input, A, B, C are the three-phase alternating current output, and output directly links to each other through nine bidirectional switchs with three-phase in the three-phase input.
4. the AC variable-frequency speed regulation system based on matrix converter according to claim 3 is characterized in that, described bidirectional switch is by insulated gate bipolar transistor (IGBT) Q1, Q2, and diode D1, D2 constitute; Q1 and D2 series connection, Q2 and D1 series connection, reverse parallel connection then.
5. the AC variable-frequency speed regulation system based on matrix converter according to claim 3 is characterized in that, described DSP control chip adopts TMS320LF2407A.
6. the AC variable-frequency speed regulation system based on matrix converter according to claim 1, it is characterized in that described isolated drive circuit is by U1, U2 buffer 74HCT244, optocoupler HCPL2630, M57962, TLP521, P6KE33A, P6KE18CA, FR107, resistance, electric capacity is formed; The input of U1 buffer 74HCT244 and the I/O of FPGA are connected, and connect the U2 buffer again behind the output termination optocoupler HCPL23630, and the output of U2 buffer connects 14 pin of optocoupler M57962; Two optocoupler TLP521-1 are connected with another I/0 mouth of FPGA with TLP521-2, and combine with optocoupler M57962, realize the short-circuit protection to IGBT; No. 4 pin and No. 6 pin of optocoupler M57962 are power supply, resistance R 7 is the driving resistance of IGBT, the size of regulating resistance R 7 can change the switching speed of IGBT, P6KE18CA is two-way Transient Suppression Diode (TVS), be used for the driving voltage clamp of IGBT, make the amplitude of IGBT driving voltage less than 18V, P6KE33A is unidirectional TVS, the potential difference of No. 1 pin and No. 6 pin is clamped at below the 33V, guarantees the trouble free service of optocoupler M57962.
7. the AC variable-frequency speed regulation system based on matrix converter according to claim 6 is characterized in that, the Standard resistance range of described adjusting resistance R 7 is 10～20 Ω.
8. the AC variable-frequency speed regulation system based on matrix converter according to claim 1 is characterized in that, described clamping protection circuit is by diode D3-D14, resistance R 8, R9, R10, capacitor C 6, C7, Zener diode Z1, insulated gate bipolar transistor (IGBT) Q4 forms; The output of rectifier diode group is received the release circuit two ends of being made up of insulated gate bipolar transistor Q4, Zener diode Z1, resistance R 10 behind resistance.
9. the AC variable-frequency speed regulation system based on matrix converter according to claim 1, it is characterized in that, phase current testing circuit in the described control circuit is by Hall current sensor CS050LX, resistance R 30-R35, and operational amplifier A R5-AR6 and diode D17-D18 form; The 3rd pin connecting resistance R30 of Hall current sensor CS050LX, connecting resistance R32 between operational amplifier A R5 and the AR6, R31 is connected on negative terminal and the output of AR5, R34 connects the AR5 anode, R33 is connected on negative terminal and the output of AR6, and R35 is connected on the anode of AR6, the 110th pin ADC N01 of the output termination DSP of AR6, two diode D17, D18 are connected in the middle of the AR6 output; The output of phase current testing circuit connects the 110th pin ADC N01 end of dsp chip, the input of phase current direction decision circuitry respectively; The 112nd pin ADC N00 end of the output termination DSP control chip of voltage A/D change-over circuit, the 83rd pin QEP1 of DSP control chip, the 79th pin QEP2 connect the output of motor speed measuring circuit, through the output of voltage A/D change-over circuit input wiring voltage detecting circuit; The I/O mouth of the power device of the output Iout termination FPGA of phase current direction decision circuitry.
10. the AC variable-frequency speed regulation system based on matrix converter according to claim 1, it is characterized in that, described DSP control chip and peripheral circuit externally deposit into capable read-write operation by the RAM enable of FPGA power device, after calculating duty ratio and phase region, universaling I/O port by DSP sends to FPGA with 4 road PWM ripples and phase region coding, further carry out work decoding by FPGA, directly obtain the relevant parameter of 18 switching tube IGBT real-time control signals after the decoding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102016067A CN103296955A (en) | 2013-05-28 | 2013-05-28 | Matrix converter based alternating-current variable-frequency speed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102016067A CN103296955A (en) | 2013-05-28 | 2013-05-28 | Matrix converter based alternating-current variable-frequency speed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103296955A true CN103296955A (en) | 2013-09-11 |
Family
ID=49097386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102016067A Pending CN103296955A (en) | 2013-05-28 | 2013-05-28 | Matrix converter based alternating-current variable-frequency speed control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103296955A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553093A (en) * | 2016-02-24 | 2016-05-04 | 台州谊聚机电有限公司 | Power supply circuit with real-time voltage detection for water pump system |
| CN105576805A (en) * | 2016-02-24 | 2016-05-11 | 台州谊聚机电有限公司 | Power circuit of water pump controller |
| CN106208766A (en) * | 2016-07-19 | 2016-12-07 | 燕山大学 | Matrix converter based on voltage switching instruction unhitches coupling SVM modulator approach |
| CN106505853A (en) * | 2016-12-14 | 2017-03-15 | 李矞辉 | The single supply that band is simply protected turns two-supply circuit |
| CN107017782A (en) * | 2017-05-19 | 2017-08-04 | 重庆科技学院 | Phase shift frequency changer circuit, motor and circuit control system are handed in the friendship of high-frequency output |
| US11394264B2 (en) | 2020-01-21 | 2022-07-19 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter |
| US11451156B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Overvoltage clamp for a matrix converter |
| US11448225B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
| WO2024002248A1 (en) * | 2022-06-30 | 2024-01-04 | 施耐德电器工业公司 | Solid-state motor starter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826801A (en) * | 2010-04-08 | 2010-09-08 | 华中科技大学 | Space vector modulating method of three-phase matrix converter |
-
2013
- 2013-05-28 CN CN2013102016067A patent/CN103296955A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826801A (en) * | 2010-04-08 | 2010-09-08 | 华中科技大学 | Space vector modulating method of three-phase matrix converter |
Non-Patent Citations (2)
| Title |
|---|
| 刚毅: "矩阵变换器变频调速平台及仿真", 《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》, 31 December 2011 (2011-12-31), pages 042 - 111 * |
| 华胜: "基于DSP的矩阵变换器交流变频调速技术研究", 《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》, 30 April 2010 (2010-04-30), pages 042 - 74 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553093A (en) * | 2016-02-24 | 2016-05-04 | 台州谊聚机电有限公司 | Power supply circuit with real-time voltage detection for water pump system |
| CN105576805A (en) * | 2016-02-24 | 2016-05-11 | 台州谊聚机电有限公司 | Power circuit of water pump controller |
| CN106208766A (en) * | 2016-07-19 | 2016-12-07 | 燕山大学 | Matrix converter based on voltage switching instruction unhitches coupling SVM modulator approach |
| CN106505853A (en) * | 2016-12-14 | 2017-03-15 | 李矞辉 | The single supply that band is simply protected turns two-supply circuit |
| CN107017782A (en) * | 2017-05-19 | 2017-08-04 | 重庆科技学院 | Phase shift frequency changer circuit, motor and circuit control system are handed in the friendship of high-frequency output |
| CN107017782B (en) * | 2017-05-19 | 2019-04-12 | 四川大学锦城学院 | Friendship-friendship phase shift frequency changer circuit motor and its circuit control system are exported based on high-frequency |
| US11394264B2 (en) | 2020-01-21 | 2022-07-19 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter |
| US11451156B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Overvoltage clamp for a matrix converter |
| US11448225B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
| US11848619B2 (en) | 2020-01-21 | 2023-12-19 | Itt Manufacturing Enterprises Llc | Apparatus and methods for supplying DC power to control circuitry of a matrix converter |
| US11965518B2 (en) | 2020-01-21 | 2024-04-23 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
| WO2024002248A1 (en) * | 2022-06-30 | 2024-01-04 | 施耐德电器工业公司 | Solid-state motor starter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103296955A (en) | Matrix converter based alternating-current variable-frequency speed control system | |
| CN106452280B (en) | A kind of high-speed motor control interleaving buck converte | |
| CN200947546Y (en) | Low-voltage three-phase static reactive synchronous compensator | |
| CN102006010A (en) | Variable frequency driving control method and device for high-power mine hoist | |
| CN101083399A (en) | Z source power transformation based photovoltaic network inverter | |
| CN201860111U (en) | Reactance controlling device of dynamic harmonic filter | |
| CN105548656A (en) | Direct current high voltage isolation sampling circuit | |
| CN103580032A (en) | Power grid compensating system and control method thereof | |
| CN102496933B (en) | Double parallel active power filtering apparatus | |
| CN104065324B (en) | Three phase alternating current motor power driving controller based on preposing conversion device cascade three-level inverter | |
| CN103944168A (en) | High-power power quality comprehensive compensation device | |
| CN102215027A (en) | Cascade speed control device | |
| CN105406752A (en) | Control system for I-type and T-type three-level bidirectional PWM (Pulse-Width Modulation) rectifiers | |
| CN103023046B (en) | Based on the operating passing zero filtering reactive power compensator that dsp chip controls | |
| CN102158114B (en) | Method and device for measuring and controlling a four-quadrant cascaded high voltage transducer power unit | |
| CN203590047U (en) | 660V output stabilized power supply for mining | |
| CN103607133A (en) | Three-phase bridge PWM converter and active power filter formed by same | |
| CN204886186U (en) | Hybrid control system based on harmonic restraines and reactive compensation | |
| CN207603447U (en) | A kind of new fuel cell high-power bidirectional DC/DC converter | |
| CN202042904U (en) | Automatic on-line tracking and monitoring device for capacitance and current of power grid | |
| CN201541115U (en) | Intelligent controller with voltage protection module | |
| CN201118460Y (en) | A reverse power supply | |
| CN204361687U (en) | Many combined parallels static reacance generator | |
| CN202395448U (en) | Comprehensive electricity quality treatment device | |
| CN203522011U (en) | Intelligent relay protection test power supply panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130911 |