CN104579078A - Multiple-winding high-voltage motor drive control system having complete redundant backup function - Google Patents
Multiple-winding high-voltage motor drive control system having complete redundant backup function Download PDFInfo
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- CN104579078A CN104579078A CN201510035649.1A CN201510035649A CN104579078A CN 104579078 A CN104579078 A CN 104579078A CN 201510035649 A CN201510035649 A CN 201510035649A CN 104579078 A CN104579078 A CN 104579078A
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Abstract
The invention discloses a multiple-winding high-voltage motor drive control system having a complete redundant backup function. The multiple-winding high-voltage motor drive control system is characterized in that the control system comprises a centralized control device unit, an Ethernet switch unit and a high-voltage frequency converter unit, wherein the centralized control device unit is connected with the Ethernet switch unit, a master control unit of each high-voltage frequency converter in the high-voltage frequency converter unit is also connected to the Ethernet switch unit, the power unit output of each high-voltage frequency converter is connected to one winding of multiple-winding high-voltage motors respectively, and rotation speed sensors of the motors are connected to the centralized control device unit. A mature vector control technology is adopted for motor control, a rotation speed regulator and a magnetic flow regulator are controlled by the centralized control device unit, and a current regulator is controlled by the master control unit of each frequency converter. The multiple-winding high-voltage motor drive control system is low in cost, can be suitable for the multiple-winding motors different in winding number, has the complete redundant backup function and expands the application range of the high-voltage frequency converters, and the reliability and expandability of the system are improved.
Description
Technical field
The present invention relates to a kind of Multiple coil high-voltage motor driving control system, especially a kind of Multiple coil high-voltage motor driving control system with fully redundance backup functionality, belongs to power electronic control system field.
Background technology
In recent years, high-power electronic device and high-performance, the development of low cost microprocessor and the development of modern AC electric machines control technology, promoted the develop rapidly of AC speed regulating greatly.The restriction of power electronic device rated voltage and rated current makes Multiple coil AC motor application and gives birth to, because can realize low-power device like this to drive heavy-duty motor.Multiwinding machine is also called polyphase machine (number of phases is 3 times of the number of windings, and if 2 winding electric machines are also referred to as 6 phase motors, 4 winding electric machines are also referred to as 12 phase motors).Multiple coil alternating current machine is mainly used on the high-power transmissions such as military affairs, space flight, naval vessel propelling, compared with three phase electric machine and simplex winding motor transmission system, Multiple coil AC machine drive system has following outstanding advantage: available low voltage low current device realizes high-power; The pulsation of motor steady state torque is less; The mechanical resonance of system is less; The running noises of motor is less; Entire system reliability improves; Polyphase machine rotor harmonic loss is less.
Introduce less for the frequency changing driving system of Multiple coil high-voltage AC motor at present, mostly known references and prior art are to study for the motor of the specific number of windings, from the Mathematical Modeling of the polyphase machine of the specific number of windings, theoretical research is carried out to its vector control algorithm, control method is complicated, can not be completely compatible with the vector control based on simplex winding motor of maturation, when the motor number of windings is different, can not be completely applicable, not there is autgmentability, Drive Control Technique for the multiwinding machine that can be common to the different number of windings has no pertinent literature introduction and Product Report.About the research of redundancy backup technology during frequency converter parallel drive; current technology is all based on master & slave control theory; a frequency converter is had as main frame in frequency converter in parallel; main frame is not affected from during machine fault; but still need whole shutdown during hostdown; can not realize redundancy backup completely, the Multiple coil high-voltage AC motor Drive Control Technique with fully redundance backup functionality has no relevant report.
Summary of the invention
The present invention is directed to the deficiency that prior art exists, a kind of Multiple coil high-voltage motor driving control system with fully redundance backup functionality is provided, the present invention is based on ripe high-voltage frequency converter technology, the frequency conversion drive of Multiple coil high-voltage AC motor is achieved with less cost, be applicable to the multiwinding machine of the different number of windings, and this system has redundant backup function completely, expand the range of application of high voltage converter, improve reliability and the extensibility of system.
To achieve these goals, the technical solution used in the present invention is: a kind of Multiple coil high-voltage motor driving control system with fully redundance backup functionality, it is characterized in that: described control system comprises high voltage converter unit, Ethernet switch unit and central controller unit, described central controller unit is connected with Ethernet switch unit, described Ethernet switch unit is connected with the main control unit of high voltage converter unit, and described central controller unit is also connected with motor speed sensor.
Especially, in described high voltage converter unit the hardware of every platform frequency converter and software all identical, there is no master-slave.When wherein certain winding of a frequency converter or motor breaks down, the frequency converter only broken down or the frequency converter corresponding to winding broken down are shut down, and other frequency converters still can normally run.
Especially, described central controller unit is connected with Ethernet switch unit by optical fiber or cable, the communications protocol adopted is Modbus-TCP agreement, and described central controller unit is also connected with higher level's control system, receives the rotary speed instruction from higher level's control system.
Especially, the main control unit of described high voltage converter unit is connected with Ethernet switch unit by optical fiber or cable, and the communications protocol of employing is Modbus-TCP agreement.
Especially, described high voltage converter unit is made up of the identical high voltage converter of specifications and models, and high voltage converter number of units is identical with the number of windings of driven Multiple coil high-voltage motor.
Especially, Electric Machine Control adopts ripe vector control technology, and speed regulator and flux regulator are implemented to control by central controller, and current regulator is implemented to control by the main control unit of every platform frequency converter respectively.
Beneficial effect of the present invention:
1, the present invention is not only applicable to 2 winding high voltage motors, also be applicable to the Multiple coil high-voltage motor that the number of windings is greater than 2, applied range, extensibility is strong, based on high-voltage frequency converter technology ripe in prior art, lower cost is used to achieve the drived control of Multiple coil high-voltage motor.
2, the high voltage converter in high voltage converter unit of the present invention, software and hardware is just the same, do not have main frame and from machine point, redundancy backup each other, any one is broken down and all can not affect the normal operation of other high voltage converters, improves the reliability of system.
3, the present invention's data communication of adopting ethernet technology to realize between central controller and high voltage converter main control unit, communication speed is high, and extension of network is good, can adopt Optical Fiber Transmission when communication distance is far away, and anti-interference is good.
Accompanying drawing explanation
Fig. 1 is the present invention one specific embodiment schematic block diagram.
Fig. 2 is implemented to control flux regulator schematic block diagram by central controller in the specific embodiment of the invention.
Fig. 3 is implemented to control speed regulator schematic block diagram by central controller in the specific embodiment of the invention.
Fig. 4 is implemented to control current regulator schematic block diagram by each high voltage converter main control unit in the specific embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
With reference to the accompanying drawings 1, the present invention is for 4 winding high voltage alternating current machines.A kind of high pressure multiwinding machine driving control system with fully redundance backup functionality of the present invention comprises high voltage converter unit, Ethernet switch unit and central controller unit.Central controller unit is connected with Ethernet switch unit, and Ethernet switch unit is connected with the main control unit of high voltage converter unit, and central controller unit is also connected with motor speed sensor.Central controller unit is connected with Ethernet switch unit by optical fiber or cable, each high voltage converter main control unit in high voltage converter unit is also connected with Ethernet switch unit by optical fiber or cable, like this, namely established by industry ethernet between central controller unit and the main control unit of each high voltage converter and be connected, data communication protocol adopts Modbus-TCP agreement, wherein central controller unit is as client, and each high voltage converter main control unit is all as server end.The main control unit of each high voltage converter has identical authority in grid, does not have master-slave, and they are independent mutually, all can not affect the normal operation of other frequency converters after any shutdown of breaking down or break.
Central controller unit receives the rotary speed instruction ω from higher level's control system
*, be connected with the speed probe of motor simultaneously, receive the actual speed signal ω of motor, the amplitude of the motor magnetic flux measured value that each high voltage converter main control unit calculates also sends to central controller unit, obtains the flux observation value ψ of motor after central controller unit comprehensive.As shown in Figures 2 and 3, the speed regulator in motor vector control algorithm and flux regulator are implemented by central controller, wherein magnetic flux set-point ψ
*for set point, be generally rated flux.Rotary speed instruction ω
*with the input as speed regulator of the difference of actual speed signal ω, the output of speed regulator is torque current set-point
magnetic flux set-point ψ
*with the input as flux regulator of the difference of flux observation value ψ, the output of flux regulator is exciting current set-point
central controller unit will
with
each frequency converter main control unit is sent to, as the set-point of current regulator in vector control system by Ethernet switch.
Current regulator in vector control system is implemented respectively by each high voltage converter main control unit, as shown in Figure 4.Torque current set-point
with exciting current set-point
be sent to main control unit by from central controller unit, motor actual speed ω is also sent to main control unit by central controller unit.Every platform frequency converter main control unit all has voltage and current detecting device, detects the three-phase voltage v of each winding of motor
a, v
b, v
cwith three-phase current i
a, i
b, i
c.Three-phase voltage v
a, v
b, v
cwith three-phase current i
a, i
b, i
cand motor speed ω is as the input of motor model, motor model is set up according to known motor vector control theory, and the output of motor model is the actual exciting current i of motor
d, the actual torque current i of motor
q, the amplitude ψ of motor magnetic flux measured value
nand angle θ.Torque current set-point
with actual motor torque current i
qdifference as the input of torque current regulator, the output of torque current regulator is q shaft voltage set-point
exciting current set-point
with actual motor torque current i
ddifference as the input of exciting current controller, the output of exciting current controller is d shaft voltage set-point
and θ obtains three-phase voltage reference value after over-rotation and 2/3 conversion
the switching signal of each semiconductor power switch device of transducer power unit is obtained after sine wave modulation module SPWM.
The above; it is only preferred embodiment of the present invention; in order to do technical solution of the present invention to explain in detail; and not the present invention is imposed any restrictions; every do according to technical scheme disclosed by the invention and above specific embodiment any simple modification, change and equivalent structure change; all still belong in the protection range of technical solution of the present invention, protection scope of the present invention is as the criterion with claims of this case.
Claims (5)
1. one kind has the Multiple coil high-voltage motor driving control system of fully redundance backup functionality, it is characterized in that: described control system comprises high voltage converter unit, Ethernet switch unit and central controller unit, described central controller unit is connected with Ethernet switch unit, described Ethernet switch unit is connected with the main control unit of high voltage converter unit, and described central controller unit is also connected with motor speed sensor; In described high voltage converter unit the hardware of every platform frequency converter and software all identical; there is no master-slave; when wherein the winding of a frequency converter or motor breaks down, the frequency converter only broken down or the frequency converter corresponding to winding broken down are shut down, and other frequency converters still normally run.
2. the Multiple coil high-voltage motor driving control system with fully redundance backup functionality according to claim 1, it is characterized in that: described central controller unit is connected with Ethernet switch unit by optical fiber or cable, the communications protocol adopted is Modbus-TCP agreement, described central controller unit is also connected with higher level's control system, receives the rotary speed instruction from higher level's control system.
3. the Multiple coil high-voltage motor driving control system with fully redundance backup functionality according to claim 1, it is characterized in that: each main control unit of described high voltage converter unit is connected with Ethernet switch unit by optical fiber or cable, and the communications protocol of employing is Modbus-TCP agreement.
4. the Multiple coil high-voltage motor driving control system with fully redundance backup functionality according to claim 1, it is characterized in that, described high voltage converter unit is made up of the identical high voltage converter of specifications and models, and high voltage converter quantity is identical with the number of windings of driven Multiple coil high-voltage motor.
5. the Multiple coil high-voltage motor driving control system with fully redundance backup functionality according to claim 1, it is characterized in that: Electric Machine Control adopts vector control technology, speed regulator and flux regulator are implemented to control by central controller, and current regulator is implemented to control by the main control unit of every platform frequency converter respectively.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105471332A (en) * | 2015-12-21 | 2016-04-06 | 北京合康亿盛变频科技股份有限公司 | Master-slave control system of multi-winding synchronous motor |
| CN105811417A (en) * | 2016-03-17 | 2016-07-27 | 金田集团（桐城）塑业有限公司 | Air knife fan AVR voltage-stabilizing apparatus applied to BOPP production line |
| CN106026800A (en) * | 2016-05-17 | 2016-10-12 | 中车株洲电力机车研究所有限公司 | Air conditioner variable frequency drive system based on multi-winding permanent magnet motor |
| CN106451359A (en) * | 2016-10-20 | 2017-02-22 | 重庆赛能软件技术有限公司 | Electric generator static excitation device multi-slave redundancy protection method |
| CN106444509A (en) * | 2016-10-20 | 2017-02-22 | 重庆赛能软件技术有限公司 | Integrated monitoring method for power generation state of generator |
| CN109818486A (en) * | 2017-11-20 | 2019-05-28 | 维谛技术有限公司 | The hot redundancy control method of frequency converter and redundancy frequency-converter device |
| CN109889125A (en) * | 2017-12-05 | 2019-06-14 | 中车株洲电力机车研究所有限公司 | A kind of multiphase Multiple coil traction drive and its control method |
| CN110601506A (en) * | 2019-08-09 | 2019-12-20 | 北京动力源科技股份有限公司 | Matrix redundancy type frequency converter system |
| CN111682783A (en) * | 2020-06-01 | 2020-09-18 | 新风光电子科技股份有限公司 | High-voltage frequency conversion all-in-one machine adopting trapezoidal modulation waves and control method thereof |
| CN114900081A (en) * | 2022-07-15 | 2022-08-12 | 中国科学院宁波材料技术与工程研究所 | Permanent magnet synchronous motor drive control system and permanent magnet synchronous motor module |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471332A (en) * | 2015-12-21 | 2016-04-06 | 北京合康亿盛变频科技股份有限公司 | Master-slave control system of multi-winding synchronous motor |
| CN105811417A (en) * | 2016-03-17 | 2016-07-27 | 金田集团（桐城）塑业有限公司 | Air knife fan AVR voltage-stabilizing apparatus applied to BOPP production line |
| CN106026800B (en) * | 2016-05-17 | 2018-09-14 | 中车株洲电力机车研究所有限公司 | A kind of air-conditioning Variable Frequency Drives based on Multiple coil magneto |
| CN106026800A (en) * | 2016-05-17 | 2016-10-12 | 中车株洲电力机车研究所有限公司 | Air conditioner variable frequency drive system based on multi-winding permanent magnet motor |
| CN106451359B (en) * | 2016-10-20 | 2019-01-18 | 重庆赛能软件技术有限公司 | Generator static excitation device is mostly from redundancy protected method |
| CN106444509A (en) * | 2016-10-20 | 2017-02-22 | 重庆赛能软件技术有限公司 | Integrated monitoring method for power generation state of generator |
| CN106451359A (en) * | 2016-10-20 | 2017-02-22 | 重庆赛能软件技术有限公司 | Electric generator static excitation device multi-slave redundancy protection method |
| CN109818486A (en) * | 2017-11-20 | 2019-05-28 | 维谛技术有限公司 | The hot redundancy control method of frequency converter and redundancy frequency-converter device |
| CN109818486B (en) * | 2017-11-20 | 2020-09-29 | 维谛技术有限公司 | Frequency converter thermal redundancy control method and redundancy frequency converter device |
| CN109889125A (en) * | 2017-12-05 | 2019-06-14 | 中车株洲电力机车研究所有限公司 | A kind of multiphase Multiple coil traction drive and its control method |
| CN110601506A (en) * | 2019-08-09 | 2019-12-20 | 北京动力源科技股份有限公司 | Matrix redundancy type frequency converter system |
| CN111682783A (en) * | 2020-06-01 | 2020-09-18 | 新风光电子科技股份有限公司 | High-voltage frequency conversion all-in-one machine adopting trapezoidal modulation waves and control method thereof |
| CN114900081A (en) * | 2022-07-15 | 2022-08-12 | 中国科学院宁波材料技术与工程研究所 | Permanent magnet synchronous motor drive control system and permanent magnet synchronous motor module |
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