CN105244893A - STATCOM simulation control method and system - Google Patents
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Abstract
The present invention relates to a STATCOM (static synchronous compensator) simulation control method and system. The STATCOM simulation control method comprises: acquiring capacitor voltage data in a RT-LAB simulation device, and sending the capacitor voltage data to a main control board a STATCOM device controller; receiving modulating waves of each phase returned by the main control board according to capacitor voltage data, network voltage data and group valve current data of each phase, and receiving control commands sent by the main control board; generating a carrier, and comparing the modulating waves of each phase with the carrier to acquire sine pulse width modulated waves of each phase; and transmitting the control commands and the sine pulse width modulated waves of each phase to the RT-LAB simulation device, and adjusting amplitudes of the capacitor voltages of each phase through the RT-LAB simulation device according to the sine pulse width modulated waves of each phase and the control commands. According to the invention, the data exchange between the STATCOM device controller and the RT-LAB simulation device may be realized, and the generation of the sine pulse width modulated waves of the group valve model of the RT-LAB simulation device and the balance control of the group valve capacitor voltages of each phase may be realized.
Description
Technical field
The present invention relates to technical field of simulation control, particularly relate to a kind of STATCOM simulation control method and system.
Background technology
In the application project project of STATCOM (STATCOM), in order to reduce the risk of engineering test, improve reliability and the development quality of STATCOM system, shorten the lead time, semi-true object emulation technology is a kind of necessary means beyond doubt.RT-LAB real-time simulation platform energy and Matlab realize seamless link, meet requirement of real-time higher in hardware-in-the-loop simulation, become a kind of new effective way of hardware-in-the-loop simulation research gradually, and good communication computing and control mode are the key elements of Design of Simulation System, but can't control well RT-LAB real-time simulation at present.
Summary of the invention
Based on this, be necessary, for the not good enough problem of RT-LAB real-time simulation control mode, to provide a kind of STATCOM simulation control method and system.
A kind of STATCOM simulation control method, comprises the following steps:
Gather the capacitance voltage data in each phase valve group model of RT-LAB emulator;
Respectively each phase capacitance voltage data are encapsulated, each phase capacitance voltage data after encapsulation are sent to the master control borad of STATCOM device controller;
Receive the voltage data in each phase valve group model that master control borad gathers according to each phase capacitance voltage data after encapsulation and the analog acquisition plate of STATCOM device controller, valve group current data obtains and each phase modulating wave returned, and receive the control command that master control borad returns;
Generate carrier wave, each phase modulating wave is compared with carrier wave respectively, obtains each phase sinusoidal pulse width modulation ripple according to the result compared;
Control command and each phase sinusoidal pulse width modulation ripple are transferred to RT-LAB emulator, and by RT-LAB emulator, according to each phase sinusoidal pulse width modulation ripple and control command, the amplitude to the capacitance voltage in each phase valve group model regulates.
A kind of STATCOM simulation control subsystem, is characterized in that, comprise acquisition module, data processing module and phase valve group control module;
Acquisition module is for gathering the capacitance voltage data in each phase valve group model of RT-LAB emulator;
Data processing module is used for encapsulating each phase capacitance voltage data respectively, each phase capacitance voltage data after encapsulation is sent to the master control borad of STATCOM device controller;
Phase valve group control module obtains and each phase modulating wave returned for the voltage data in each phase valve group model of receiving master control borad and gathering according to each phase capacitance voltage data after encapsulation and the analog acquisition plate of STATCOM device controller, valve group current data, and receives the control command of master control borad transmission;
Each phase modulating wave, also for generating carrier wave, compares with carrier wave by phase valve group control module respectively, obtains each phase sinusoidal pulse width modulation ripple according to the result compared;
Phase valve group control module is also for being transferred to RT-LAB emulator by control command and each phase sinusoidal pulse width modulation ripple.
A kind of pulse operation board, comprises above-mentioned STATCOM simulation control subsystem.
According to STATCOM simulation control method and the system of the invention described above, it gathers the capacitance voltage data in each phase valve group model of RT-LAB emulator, sends to the master control borad of STATCOM device controller; Receive each phase modulating wave that master control borad returns according to each phase capacitance voltage data and voltage data, valve group current data, receive the control command that master control borad sends, the carrier wave that each phase modulating wave received and pulse operation board produce is compared, obtains each phase sinusoidal pulse width modulation ripple (SPWM ripple); Control command and each phase sinusoidal pulse width modulation ripple are transferred to RT-LAB emulator, and by RT-LAB emulator, according to each phase sinusoidal pulse width modulation ripple and control command, the amplitude to the capacitance voltage in each phase valve group model regulates.In this scheme, related data in the related data of RT-LAB emulator and STATCOM device controller processed, the exchanges data realizing STATCOM device controller and RT-LAB emulator and the sinusoidal pulse width modulation ripple realizing RT-LAB emulator valve group model generate and control with the balance of each phase valve group capacitance voltage.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the STATCOM simulation control method of one of them embodiment;
Fig. 2 is the internal logic block diagram of the pulse operation board of the application STATCOM simulation control method of one of them embodiment;
Fig. 3 is the STATCOM device controller of one of them embodiment and the connection diagram of RT-LAB emulator;
Fig. 4 is the hardware structure diagram of the STATCOM simulation control subsystem of one of them embodiment;
Fig. 5 is the high speed optical fiber communication structural representation of the STATCOM simulation control subsystem of one of them embodiment;
Fig. 6 is the structural representation of the STATCOM simulation control subsystem of one of them embodiment;
Fig. 7 is the structural representation of the STATCOM simulation control subsystem of one of them embodiment;
Fig. 8 is the structural representation of the STATCOM simulation control subsystem of one of them embodiment.
Embodiment
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein only in order to explain the present invention, do not limit protection scope of the present invention.
Shown in Figure 1, be an embodiment of STATCOM simulation control method of the present invention.STATCOM simulation control method in this embodiment, comprises the following steps:
Step S101: gather the capacitance voltage data in each phase valve group model of RT-LAB emulator;
Each phase capacitance voltage data after encapsulation are sent to the master control borad of STATCOM device controller by step S102: encapsulate each phase capacitance voltage data respectively;
Step S103: receive the voltage data in each phase valve group model that master control borad gathers according to each phase capacitance voltage data after encapsulation and the analog acquisition plate of STATCOM device controller, valve group current data obtains and each phase modulating wave returned, and the control command receiving that master control borad returns;
Step S104: generate carrier wave, each phase modulating wave is compared with carrier wave respectively, obtains each phase sinusoidal pulse width modulation ripple according to the result compared;
Step S105: control command and each phase sinusoidal pulse width modulation ripple are transferred to RT-LAB emulator, by RT-LAB emulator, according to each phase sinusoidal pulse width modulation ripple and control command, the amplitude to the capacitance voltage in each phase valve group model regulates.
According to the STATCOM simulation control method of the invention described above, it gathers the capacitance voltage data in each phase valve group model of RT-LAB emulator, sends to the master control borad of STATCOM device controller; Receive each phase modulating wave that master control borad returns according to each phase capacitance voltage data and voltage data, valve group current data, receive the control command that master control borad sends, the carrier wave that each phase modulating wave received and pulse operation board produce is compared, obtains each phase sinusoidal pulse width modulation ripple (SPWM ripple); Control command and each phase sinusoidal pulse width modulation ripple are transferred to RT-LAB emulator, and by RT-LAB emulator, according to each phase sinusoidal pulse width modulation ripple and control command, the amplitude to the capacitance voltage in each phase valve group model regulates.The exchanges data realizing STATCOM device controller and RT-LAB emulator thus and the sinusoidal pulse width modulation ripple realizing RT-LAB emulator valve group model generate and control with the balance of each phase valve group capacitance voltage.
Preferably, above-mentioned STATCOM simulation control method can be applied in pulse operation board, pulse operation board connects RT-LAB emulator by high speed fibre, the capacitance voltage data Udc in each phase valve group model is gathered from RT-LAB emulator, data encapsulation is carried out to each phase capacitance voltage data Udc, each phase capacitance voltage data Udc after encapsulation is sent to the master control borad of STATCOM device controller;
Each phase capacitance voltage that each phase line voltage that master control borad collects according to analog acquisition plate and valve group electric current and pulse operation board send, produce each phase modulating wave after computing, and transmitted by core bus, master control borad also can send control command.Core bus arithmetic logic is that master control borad and pulse operation board are customed, the carrier wave that each phase modulating wave received and pulse operation board inside produce compares by pulse operation board, produce each phase sinusoidal pulse width modulation ripple that harmonic content is lower, more press close to real sine wave.The purposes of each phase sinusoidal pulse width modulation ripple and control command allows RT-LAB emulator read, and then regulate the amplitude of the capacitance voltage in each phase valve group model of RT-LAB emulator.
Wherein in an embodiment, respectively the step that each phase capacitance voltage data encapsulate is comprised the following steps:
Arrangement is carried out and buffer memory to each phase capacitance voltage data, respectively each phase capacitance voltage data after buffer memory is encapsulated.
Preferably, above-mentioned STATCOM simulation control method can be applied in pulse operation board, can be arranged each phase capacitance voltage data received by the MMC controller arithmetic logic in pulse operation board, putting in order of data content is defined jointly by pulse operation board and RT-LAB emulation controller.After arranging, be put in dual port RAM by each phase capacitance voltage data, as caching process, each phase capacitance voltage data facilitating pulse operation board effectively to read to receive, encapsulate it.
Wherein in an embodiment, compared respectively by each phase modulating wave with carrier wave, the step obtaining each phase sinusoidal pulse width modulation ripple according to the result compared comprises the following steps:
Data Analysis is carried out to each phase modulating wave, the more each phase modulating wave after parsing and carrier wave are compared, obtain each phase pulse signal according to the result compared, and each phase pulse signal is adjusted, obtain each phase sinusoidal pulse width modulation ripple.
Preferably, above-mentioned STATCOM simulation control method can be applied in pulse operation board, after pulse operation board receives each phase modulating wave of master control borad transmission, need first to carry out Data Analysis to it, again the carrier wave that each phase modulating wave after parsing and pulse operation board self produce is compared, wherein, the carrier wave that pulse operation board self produces is the carrier wave that pulse operation board core processor produces, carrier wave is specifically as follows triangular wave etc., the each phase pulse signal comprising difference of them can be obtained relatively, and shift to controller by carrier wave, each phase pulse signal relatively is reasonably sorted and phase place adjustment, obtain and produce the lower each phase sinusoidal pulse width modulation ripple of harmonic content, more press close to real sine wave.
Wherein in an embodiment, adjust each phase pulse signal, the step obtaining each phase sinusoidal pulse width modulation ripple comprises the following steps:
The phase place of each phase pulse signal is staggered a fixed angle successively, obtains each phase sinusoidal pulse width modulation ripple.
Wherein in an embodiment, each phase modulating wave is compared with carrier wave respectively, comprises the following steps obtain the step of each phase sinusoidal pulse width modulation ripple according to the result compared after:
Balancing control algorithm is adopted to compensate each phase sinusoidal pulse width modulation ripple, control command and each phase sinusoidal pulse width modulation ripple after compensating are transferred to RT-LAB emulator, are regulated according to control command and the amplitude of each phase sinusoidal pulse width modulation ripple to the capacitance voltage in each phase valve group model after compensating by RT-LAB emulator.
Preferably, due in practical application, each phase valve group power consumption is different, and the loss before the unit of each phase inside and unit there are differences, therefore adopt balancing control algorithm to compensate each phase sinusoidal pulse width modulation ripple being used for regulating, thus reach the object that valve terminal all presses.
In a preferred embodiment, STATCOM simulation control method can be applied in pulse operation board, and as shown in Figure 2, each phase sinusoidal pulse width modulation wave datum produced is cached in dual port RAM by pulse operation board, conveniently send to RT-LAB emulator, allow RT-LAB emulator read.UnLock is unblock, the block signal of RT-LAB valve group model unit, LH/RH is the control command of communications between STATCOM device controller and RT-LAB and each phase sinusoidal pulse width modulation wave datum of pulse operation board internal calculation generation, i.e. driving pulse.After RT-LAB emulator receives driving pulse, to the amplitude of valve group capacitance voltage with regulate, and then to valve group closed-loop current control, constantly close to given value of current value, do dynamic conditioning;
Pulse operation board runs on a configurable control cycle, master control borad with STATCOM device controller in control cycle carries out a data communication, and the control command that this secondary data communication obtains and each phase sinusoidal pulse width modulation wave datum are for generation of the valve terminal order of this control cycle; Carry out a data interaction with 10us every between RT-LAB emulator, ensure that more fit reality, the distortion of SPWM ripple is less;
The communication cycle of pulse operation board and RT-LAB emulator is 10us, the communication cycle of pulse operation board and STATCOM device controller master control borad is 200us, pulse operation board serves the effect by little step-length and large step size coordinating process, namely ensure that the control precision of RT-LAB emulator, also meet the real-time demand of STATCOM device control cabinet simultaneously; The communication cycle of pulse operation board and master control borad and controling parameters all can be modified by master control borad, adopt such processing method, namely can improve simulated effect, can ensure again the versatility of board.
The core controller of the pulse operation board in the present embodiment can be FPGA, but is not limited to FPGA, can also be CPLD, single-chip microcomputer, ARM, DSP and PowerPC etc.
Wherein in a preferred embodiment, the plate of pulse operation board carries control chip, and namely core controller is the ArriaII Series FPGA of Altera, and control logic is described by hardware program language, and last comprehensive wiring is FPGA net table.Its internal logic block diagram is as shown in Figure 2:
Pulse operation board is installed in STATCOM device controller, STATCOM device controller internal data is carried out mutual by the master control board card in core bus computing and STATCOM device controller, and be connected with RT-LAB emulator controller by high speed fibre, as shown in Figure 3.
STATCOM device controller is made up of communication card, analog acquisition board (AD plate), master control board card, pulse computing board, switching value board (IO plate), power panel.
Communication board completes the information exchange between upper machine side HMI circle; The analog signalses such as line voltage, valve group electric current are inputted by AD plate; Pulse operation board is that STATCOM device control cabinet is connected with RT-LAB emulator and the hinge of information exchange, circuit breaker, the on-off model such as cutter control and fed back through IO board and complete.In order to ensure the reliability of power supply, adopt two block power supply plates as stand-by heat.All information of collecting and quantity of state all need to deliver to master control board card process and analysis, and generate corresponding control command and feedback data is issued to each board, and then output to RT-LAB emulator.
In order to close to real working condition, the analog quantitys such as line voltage, STATCOM valve group electric current adopt self-control AD keyset to sample, switching value adopts self-control IO plate to sample, both sampling utilizes multicore cable to be connected with RT-LAB emulator, and actual STATCOM valve terminal driving pulse and DC voltage adopt high speed fibre LC-LC signal transmission.
Pulse operation board is also furnished with Ethernet interface, can communicate with HMI, and can be used as expansion board, realizes across cabinet communication expanded function.Pulse operation board has eight pairs of high-speed light mouths, two low speed receive Guang Kou, a 100 m ethernet interface, and pulse operation board hardware structure diagram as shown in Figure 4;
High speed fibre computing: 4 pairs of AFBR-57R5 optical fiber, operational form is LC, in accordance with SERDES communication protocol, supports SRIO communications protocol and Aurora communications protocol;
Low speed optical fiber computing: 2 AFBR-2419 optical fiber, operational form is ST, and traffic rate can reach DC ~ 50MBd, supports standard FT3 communication;
Fast Ethernet computing: 1, speed 100Mbps.
BLVDS bus computing: for backplane communication, bit wide 16/32-bit, transmission rate 100M/s;
Bus clock computing: when pulse operation board is used for extended housing, this computing is effective, wherein 50MHz differential clocks 12 to, for BusLVDS bus communication.
High speed fibre adopts high speed serial communication mode, is realized, as shown in Figure 5 by this four part of FPGA control module, SerDes module, high-rate laser transceiver module and high speed fibre.FPGA is for realizing the control logic of SerDes module and senior laser module, and the parallel data bus line of read-write SerDes module; Serial data transmission is carried out by high-speed differential signal between SerDes module and high-rate laser transceiver module; High-rate laser transceiver module between STATCOM device controller and RT-LAB emulator carries out transfer of data by high speed fibre LC-LC.
Pulse operation board inside can be divided into several functional blocks: backboard arithmetic logic, Data Analysis/data encapsulation module, A/B/C phase valve group control module, phase-shifting carrier wave controller, MMC controller arithmetic logic and sequential control logic.
Wherein A/B/C phase valve group control module is kernel control module, and it mainly achieves and controls each valve terminal SPWM ripple generation of variable progression valve group and the capacitor voltage balance of each valve terminal.
According to above-mentioned STATCOM simulation control method, the present invention also provides a kind of STATCOM simulation control subsystem, and just the embodiment of STATCOM simulation control subsystem of the present invention is described in detail below.
Shown in Figure 6, be the embodiment of STATCOM simulation control subsystem of the present invention.STATCOM simulation control subsystem in this embodiment comprises acquisition module 210, data processing module 220 and phase valve group control module 230;
Acquisition module 210 is for gathering each phase capacitance voltage data in each phase valve group model of RT-LAB emulator;
Each phase capacitance voltage data after encapsulation, for encapsulating each phase capacitance voltage data respectively, are sent to the master control borad of STATCOM device controller by data processing module 220;
Phase valve group control module 230 obtains and each phase modulating wave returned for the voltage data in each phase valve group model of receiving master control borad and gathering according to each phase capacitance voltage data after encapsulation and the analog acquisition plate of STATCOM device controller, valve group current data, and receives the control command of master control borad transmission;
Each phase modulating wave, also for generating carrier wave, compares with carrier wave by phase valve group control module 230 respectively, obtains each phase sinusoidal pulse width modulation ripple according to the result compared;
Phase valve group control module 230 is also for being transferred to RT-LAB emulator by control command and each phase sinusoidal pulse width modulation ripple.
Wherein in an embodiment, STATCOM simulation control subsystem also comprises MMC controller operation logical module 240 and memory module 250, MMC controller operation logical module 240 for arranging each phase capacitance voltage data, and is buffered in memory module 250;
Data processing module 220 is for encapsulating each phase capacitance voltage data be buffered in memory module 250 respectively.
Wherein in an embodiment, STATCOM simulation control subsystem also comprises phase-shifting carrier wave control module 260;
Data processing module 220 is also for carrying out Data Analysis to each phase modulating wave received, phase valve group control module 230 compares each phase modulating wave after parsing and carrier wave, each phase pulse signal is obtained according to the result compared, and by phase-shifting carrier wave control module 260, each phase pulse signal is adjusted, obtain each phase sinusoidal pulse width modulation ripple.
Wherein in an embodiment, phase valve group control module 230 to be staggered a fixed angle successively for being made the phase place of each phase pulse signal by phase-shifting carrier wave control module 260, obtains each phase sinusoidal pulse width modulation ripple.
Wherein in an embodiment, phase valve group control module 230 compensates each phase sinusoidal pulse width modulation ripple for adopting balancing control algorithm, and control command and each phase sinusoidal pulse width modulation ripple after compensating are transferred to RT-LAB emulator.
STATCOM simulation control subsystem of the present invention and STATCOM simulation control method one_to_one corresponding of the present invention, the technical characteristic of setting forth in the embodiment of above-mentioned STATCOM simulation control method and beneficial effect thereof are all applicable in the embodiment of STATCOM simulation control subsystem.
According to above-mentioned STATCOM simulation control subsystem, the present invention also provides a kind of pulse operation board, and this pulse operation board comprises above-mentioned STATCOM simulation control subsystem.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a STATCOM simulation control method, is characterized in that, comprises the following steps:
Gather the capacitance voltage data in each phase valve group model of RT-LAB emulator;
Respectively each phase capacitance voltage data are encapsulated, each phase capacitance voltage data after encapsulation are sent to the master control borad of STATCOM device controller;
Receive the voltage data in described each phase valve group model that described master control borad gathers according to the analog acquisition plate of each phase capacitance voltage data after described encapsulation and described STATCOM device controller, valve group current data obtains and each phase modulating wave returned, and receive the control command that described master control borad returns;
Generate carrier wave, described each phase modulating wave is compared with described carrier wave respectively, obtains each phase sinusoidal pulse width modulation ripple according to the result of described comparison;
Described control command and described each phase sinusoidal pulse width modulation ripple are transferred to described RT-LAB emulator, and by described RT-LAB emulator, according to described each phase sinusoidal pulse width modulation ripple and described control command, the amplitude to the capacitance voltage in described each phase valve group model regulates.
2. STATCOM simulation control method according to claim 1, is characterized in that, describedly comprises the following steps the step that each phase capacitance voltage data encapsulate respectively:
Arrangement is carried out and buffer memory to described each phase capacitance voltage data, respectively each phase capacitance voltage data after buffer memory is encapsulated.
3. STATCOM simulation control method according to claim 1, is characterized in that, is describedly compared with described carrier wave respectively by described each phase modulating wave, and the step obtaining each phase sinusoidal pulse width modulation ripple according to the result of described comparison comprises the following steps:
Data Analysis is carried out to described each phase modulating wave, the more each phase modulating wave after parsing and described carrier wave are compared, obtain each phase pulse signal according to the result of described comparison, and described each phase pulse signal is adjusted, obtain each phase sinusoidal pulse width modulation ripple.
4. STATCOM simulation control method according to claim 3, is characterized in that, describedly adjusts described each phase pulse signal, and the step obtaining each phase sinusoidal pulse width modulation ripple comprises the following steps:
The phase place of described each phase pulse signal is staggered a fixed angle successively, obtains each phase sinusoidal pulse width modulation ripple.
5. STATCOM simulation control method according to claim 1, is characterized in that, is describedly compared with described carrier wave respectively by described each phase modulating wave, comprises the following steps after obtaining the step of each phase sinusoidal pulse width modulation ripple according to the result of described comparison:
Balancing control algorithm is adopted to compensate described each phase sinusoidal pulse width modulation ripple, control command and each phase sinusoidal pulse width modulation ripple after compensating are transferred to described RT-LAB emulator, are regulated according to the amplitude of each phase sinusoidal pulse width modulation ripple after described control command and described compensation to the capacitance voltage in described each phase valve group model by described RT-LAB emulator.
6. a STATCOM simulation control subsystem, is characterized in that, comprises acquisition module, data processing module and phase valve group control module;
Described acquisition module is for gathering the capacitance voltage data in each phase valve group model of RT-LAB emulator;
Described data processing module is used for encapsulating each phase capacitance voltage data respectively, each phase capacitance voltage data after encapsulation is sent to the master control borad of STATCOM device controller;
Described phase valve group control module obtains and each phase modulating wave returned for the voltage data in described each phase valve group model of receiving described master control borad and gathering according to the analog acquisition plate of each phase capacitance voltage data after described encapsulation and described STATCOM device controller, valve group current data, and receives the control command that described master control borad sends;
Described each phase modulating wave, also for generating carrier wave, compares with described carrier wave by described phase valve group control module respectively, obtains each phase sinusoidal pulse width modulation ripple according to the result of described comparison;
Described phase valve group control module is also for being transferred to described RT-LAB emulator by described control command and described each phase sinusoidal pulse width modulation ripple.
7. STATCOM simulation control subsystem according to claim 6, it is characterized in that, also comprise MMC controller operation logical module and memory module, described MMC controller operation logical module is used for arranging described each phase capacitance voltage data, and is buffered in described memory module;
Described data processing module is used for encapsulating each phase capacitance voltage data be buffered in described memory module respectively.
8. STATCOM simulation control subsystem according to claim 6, is characterized in that, also comprises phase-shifting carrier wave control module;
Described data processing module is also for carrying out Data Analysis to described each phase modulating wave;
Described phase valve group control module is used for each phase modulating wave after to parsing and described carrier wave compares, each phase pulse signal is obtained according to the result of described comparison, and by described phase-shifting carrier wave control module, described each phase pulse signal is adjusted, obtain each phase sinusoidal pulse width modulation ripple.
9. STATCOM simulation control subsystem according to claim 6, it is characterized in that, described control command and each phase sinusoidal pulse width modulation ripple after compensating, also for adopting balancing control algorithm to compensate described each phase sinusoidal pulse width modulation ripple, are transferred to described RT-LAB emulator by described phase valve group control module.
10. a pulse operation board, is characterized in that, comprises as the STATCOM simulation control subsystem in claim 6 to 9 as described in any one.
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| CN106885962A (en) * | 2017-03-27 | 2017-06-23 | 南方电网科学研究院有限责任公司 | STATCOM test methods and system |
| CN106885962B (en) * | 2017-03-27 | 2019-08-23 | 南方电网科学研究院有限责任公司 | STATCOM test method and system |
| CN107255937A (en) * | 2017-05-10 | 2017-10-17 | 国网江西省电力公司电力科学研究院 | A kind of SVG analogue systems in parallel and its control method |
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| CN105244893B (en) | 2018-02-13 |
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