CN203117778U - Implementation and verification platform of power system reactive power compensation control algorithm - Google Patents
Implementation and verification platform of power system reactive power compensation control algorithm Download PDFInfo
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- CN203117778U CN203117778U CN2013201362208U CN201320136220U CN203117778U CN 203117778 U CN203117778 U CN 203117778U CN 2013201362208 U CN2013201362208 U CN 2013201362208U CN 201320136220 U CN201320136220 U CN 201320136220U CN 203117778 U CN203117778 U CN 203117778U
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Abstract
The utility model discloses an implementation and verification platform of power system reactive power compensation control algorithm, which comprises an industrial controller, a controller upper computer, a power system real-time simulator and a simulator work station, wherein the industrial controller and the controller upper computer are connected through the Ethernet, and the power system real-time simulator and the simulator work station are connected through the internet. The industrial controller has the advantages that the industrial controller is strong computing power, supplies control algorithm of high-level language structures, can be flexibly provided with input and output (IO), and saves homemade time and energy of control hardware. Simultaneously, the power system real-time simulator can conveniently simulate various reactive power compensation systems and topology, and simulates various operation conditions such as failures. The implementation and verification platform of power system reactive power compensation control algorithm plays an extremely important role in development of control algorithm of power system reactive power compensation equipment.
Description
Technical field
A kind of power system reactive power compensation control algolithm that relates to the utility model realizes and the platform of checking, belongs to electric power system control and simulation technical field.
Background technology
Reactive power compensator is an important equipment in the modern power systems, mainly contains the Static Var Compensator (SVC) based on thyristor, and STATCOM (STATCOM) two classes of controlling device based on IGBT entirely.Reactive-load compensator keeps voltage levvl in allowed limits for the voltage of stable power system, improves the quality of power supply, and there is important meaning the aspects such as loss that reduce power transmission line.
At present various novel control laws have obtained the achievement of many theoretical researches in the reactive-load compensation field, bear the extra control task that increases system damping toward contact with reactive power compensator in the stylish control scheme, but it is actual when in service for the achievement of these theoretical researches is put into, only verify that by pure values emulation these control schemes are convincing inadequately, often wish and to realize these control algolithms at the hardware unit of reality.
Tradition generally all is to realize these algorithms by making based on the PCB control panel of dsp chip.The major defect of this method is that the self-control hardware cycle is long, and integrated circuit board stability, reliability are relatively poor.In addition, DSP is because the restriction of computing power generally all can not directly be supported in the higher level lanquage that the numerical simulation stage is used for realizing control algolithm, as Simulink or LabVIEW, so just need again spended time and energy to write the DSP program, not only take time and effort, also make mistakes easily.Another shortcoming of self-control PCB control panel is, when controller IO type or quantity demand change, often also needs redesign and makes plank.
In addition, because actual electric system does not often allow access device to test for safety and stable consideration.Therefore tradition all is to verify idle compensating control by the method for dynamic simulation test generally, and namely the miniwatt physical prototype by micro comes the access control device.But such method is main, and to be confined to change parameter and the topology of system very inconvenient, and the scale of miniwatt physical prototype system is generally also smaller, and it is also relatively more dangerous to do various short-circuit fault tests simultaneously.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is, provide a kind of power system reactive power compensation control algolithm to realize and the platform of verifying, this platform selects for use industrial control unit (ICU) with multi-core CPU and FPGA as the implementation platform of control algolithm, select the power system real-time simulation device based on computer server farm for use, controller and real-time simulator all are furnished with corresponding IO integrated circuit board simultaneously, constitute closed loop by real physical signalling.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of power system reactive power compensation control algolithm realizes the platform with checking, it is characterized in that: comprise industrial control unit (ICU), controller host computer, power system real-time simulation device and emulator workstation, described industrial control unit (ICU) is connected by Ethernet with described controller host computer, and described power system real-time simulation device is connected by network with described emulator workstation.
Aforesaid a kind of power system reactive power compensation control algolithm realizes the platform with checking, it is characterized in that: the base plate that described industrial control unit (ICU) comprises multi-core CPU and has fpga chip, described multi-core CPU and described FPGA base plate are interconnected by high-speed bus.
Aforesaid a kind of power system reactive power compensation control algolithm realizes and the platform of checking that it is characterized in that: described FPGA base plate is provided with IO integrated circuit board slot, and described FPGA base plate and IO integrated circuit board are interconnected.
Aforesaid a kind of power system reactive power compensation control algolithm realizes the platform with checking, it is characterized in that: described power system real-time simulation device is made up of a plurality of computer servers, one of them server and IO integrated circuit board are interconnected by bus, pass through network connection between the described server.
Aforesaid a kind of power system reactive power compensation control algolithm realizes and the platform of checking, it is characterized in that: described industrial control unit (ICU) and described power system real-time simulation device constitute a closed-loop system by IO integrated circuit board exchange message.
The beneficial effects of the utility model are:
1. multi-core CPU has powerful many computing powers than DSP, makes it directly to move control algolithm with the such high level language of Simulink and LabVIEW by software; Operation has real time operating system on the multi-core CPU simultaneously, support the multithreading multi-job operation, make it when the control algolithm of operation high priority, can also there be low preferential communication thread and a host computer to communicate by Ethernet, can be convenient to very much the real-time accent ginseng of algorithm like this, the status monitoring of system, very helpful to the debugging efficiency that improves system;
2. the base plate of being furnished with band FPGA, the FPGA base plate is connected by bus with multi-core CPU, have the IO slot on the base plate, the advantage that a kind of like this base plate adds the IO framework of plug-in card is flexible configuration IO integrated circuit board as required, no matter be SVC controller or STATCOM controller, all need controller to control at a high speed these power switches (thyristor, turning on and off IGBT) accurately; High speed processing ability and the high reliability of FPGA make its gating pulse that is very suitable for producing power electronic devices, and the function that realizes some protections and interlocking;
3. the power system real-time simulation device is made of a plurality of high performance servers, has powerful concurrent operation ability, can carry out the system emulation of various scales flexibly, physical prototype system with micro compares, can give one of controller more near the test environment of actual electric network, numerical simulation simultaneously also is convenient to test the various operating modes that comprise fault.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the reactive compensation system topological diagram of specific embodiment;
Fig. 3 is the structural representation of TCR and TSC;
Fig. 4 is the control algolithm block diagram of specific embodiment;
Fig. 5 is the SVC controller each several part functional block diagram of specific embodiment.
Embodiment
Be further to disclose the technical solution of the utility model, describe embodiment of the present utility model in detail below in conjunction with accompanying drawing: the utility model is with based on the realization of the control algolithm of the Static Var Compensator (SVC) of thyristor be verified as concrete embodiment.
Fig. 1 is structural representation of the present utility model.As shown in Figure 1, a kind of power system reactive power compensation control algolithm realizes the platform with checking, comprise industrial control unit (ICU), controller host computer, power system real-time simulation device and emulator workstation, industrial control unit (ICU) is connected by Ethernet with the controller host computer, and the power system real-time simulation device is connected by network with the emulator workstation.
Idle compensating control adopts industrial control unit (ICU) NI 9082, and it is furnished with double-core 1.33 GHz Intel i7 CPU, and the base plate of Xillinx Spartan-6 LX150 FPGA, and CPU is connected by high-speed bus with FPGA.The power system real-time simulation device adopts the China Power graduate ADPSS of institute of section (Advanced Digital Power System Simulator), it is made up of a plurality of computer servers, this system has powerful system emulation function, and an one CPU just can carry out the real-time simulation that 6 generators add the electric system of 30 circuits; Perhaps can carry out the real-time simulation of the power electronic system formed by 48 thyristors nearly; Also have a server to be responsible for and the IO interface of peripheral control unit in the real-time emulation system; Pass through network connection at a high speed between the server.The emulator workstation is responsible for building of reactive compensation system model and the distribution of artificial tasks between each server, and it is communicated by letter with server zone by network.
Fig. 2 is the system topological figure (wherein connecting to represent the three-phase line with single line) of Static Var Compensator.As shown in Figure 2, this system will simulate by real-time simulator, and system comprises the far-end electrical network, transmission line of electricity, three-phase transformer, load, and Static Var Compensator.Wherein Static Var Compensator is made up of one group of thyristor controlled reactor (TCR) and three groups of thyristor switchable capacitors (TSC).
Fig. 3 is the concrete structure synoptic diagram of TCR and TSC.As shown in Figure 3, TCR props up route anti-parallel thyristor group, inductance is built, and triangle connects between branch road; TSC props up route anti-parallel thyristor group, electric capacity is built, and triangle connects between branch road.Whole SVC system one has 24 thyristors.TCR is by inductance absorbing reactive power from electrical network, and the thyristor of TCR triggers the size that the angle determines the reactive power of its absorption.TSC sends reactive power by electric capacity to electrical network.For the SVC system, TCR devotes oneself to work all the time, and TSC carries out switching by thyristor as required.
Fig. 4 is the control algolithm block diagram of Static Var Compensator.As shown in Figure 4, can see that the algorithm of controller is divided into the amplitude phase measurement link of voltage, the voltage amplitude governing loop, reactive power is distributed link, and final pulse generation link.Voltage amplitude phase measurement link receives the line voltage that transmits from real-time simulator, and amplitude and the phase place of voltage are measured.The instruction of voltage amplitude governing loop output reactive power, namely when measuring voltage was lower than reference voltage, reactive-load compensator need send reactive power and raise line voltage; When measuring voltage was higher than reference voltage, reactive-load compensator needed absorbing reactive power to reduce line voltage.When SVC need send reactive power, reactive power was distributed link will drop into TSC or is reduced idle (namely the increasing the triggering angle of TCR) that TCR absorbs; When compensator needed absorbing reactive power, reactive power was distributed link will excise TSC or is increased idle (namely the reducing the triggering angle of TCR) that TCR absorbs.For TCR, the trigger action link will decide the trigger pulse of thyristor according to the phase place that triggers angle order and line voltage, by the reactive power of trigger pulse control TCR absorption; For TSC, the trigger action link will decide the trigger pulse of thyristor according to the phase place that receives switching instruction and line voltage, control input or the excision of TSC by trigger pulse.Trigger pulse will pass to the power system real-time simulation device.
Fig. 5 is the each several part functional block diagram of SVC controller.As shown in Figure 5, the controller host computer is responsible for the download of control algolithm, and system's waveform shows in real time and the function of the online adjustment of control parameter, and host computer communicates by letter to obtain system data and transmitting control parameters by network with controller.The multi-core CPU operation has two threads of the limited level of height, high priority control algolithm thread, and first three link of responsible control algolithm block diagram, i.e. voltage measurement link, the voltage-regulation link, reactive power is distributed link; The communication thread of the low priority of multi-core CPU is responsible for passing through ethernet communication with the controller host computer.FPGA on the controller also is specifically responsible for the algorithm of thyristor trigger pulse except the I/O function, namely control last link of block diagram.
When the total system closed loop was worked, the power system real-time simulation device was by the voltage of analog output boards with system, and quantity of states such as electric current pass to idle compensating control; After idle compensating control collects system state, by uniting of multi-core CPU and FPGA control algolithm being handled, draw the gating pulse instruction and by numeral output integrated circuit board instruction is passed to the power system real-time simulation device.After real-time simulator obtains pulse command from digital input module, determine turning on and off of thyristor according to instruction, the mathematical model of update system then, and carry out simulation calculation according to up-to-date model, again result of calculation is passed from analog output boards.Whole like this platform is just finished a complete control and emulation closed loop, by a kind of like this mode of real-time closed-loop, can carry out effectively checking to control algolithm.
It below only is an embodiment of the present utility model; but protection domain of the present utility model not only limits to therewith; anyly be proficient in those skilled in the art in technical scope described in the utility model; can expect changing or replacing to wherein each module or one-piece construction, all should be encompassed in the protection domain of the present utility model.Therefore the utility model should be as the criterion with the maximum protection scope of described claim.
Claims (5)
1. a power system reactive power compensation control algolithm realizes and the platform of verifying, it is characterized in that: comprise industrial control unit (ICU), controller host computer, power system real-time simulation device and emulator workstation, described industrial control unit (ICU) is connected by Ethernet with described controller host computer, and described power system real-time simulation device is connected by network with described emulator workstation.
2. a kind of power system reactive power compensation control algolithm according to claim 1 realizes and the platform of verifying, it is characterized in that: the base plate that described industrial control unit (ICU) comprises multi-core CPU and has fpga chip, described multi-core CPU and described FPGA base plate are interconnected by high-speed bus.
3. a kind of power system reactive power compensation control algolithm according to claim 2 realizes and the platform of checking, and it is characterized in that: described FPGA base plate is provided with IO integrated circuit board slot, and described FPGA base plate and IO integrated circuit board are interconnected.
4. a kind of power system reactive power compensation control algolithm according to claim 1 realizes and the platform of verifying, it is characterized in that: described power system real-time simulation device is made up of a plurality of computer servers, one of them server and IO integrated circuit board are interconnected by bus, pass through network connection between the described server.
5. a kind of power system reactive power compensation control algolithm according to claim 1 realizes and the platform of checking, it is characterized in that: described industrial control unit (ICU) and described power system real-time simulation device constitute a closed-loop system by IO integrated circuit board exchange message.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375422A (en) * | 2014-11-25 | 2015-02-25 | 上海科梁信息工程有限公司 | Emulation system based on STATCOM controller |
| CN104597766A (en) * | 2015-01-10 | 2015-05-06 | 国家电网公司 | Verification platform for control and protection algorithm of high voltage direct current power transmission system |
| CN105160972A (en) * | 2015-09-25 | 2015-12-16 | 中国电力科学研究院 | Realization method and test system for laboratory alternating current-direct current (AC-DC) coordinated controller prototype |
| US10268170B2 (en) | 2017-01-03 | 2019-04-23 | General Electric Company | Validation of control command in substantially real time for industrial asset control system threat detection |
| WO2020181651A1 (en) * | 2019-03-12 | 2020-09-17 | 南方电网科学研究院有限责任公司 | Compact real-time simulation system for direct current control and protection |
| CN112329235A (en) * | 2020-11-05 | 2021-02-05 | 上海远宽能源科技有限公司 | Power electronic system real-time simulation method based on hybrid modeling |
-
2013
- 2013-03-25 CN CN2013201362208U patent/CN203117778U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375422A (en) * | 2014-11-25 | 2015-02-25 | 上海科梁信息工程有限公司 | Emulation system based on STATCOM controller |
| CN104597766A (en) * | 2015-01-10 | 2015-05-06 | 国家电网公司 | Verification platform for control and protection algorithm of high voltage direct current power transmission system |
| CN105160972A (en) * | 2015-09-25 | 2015-12-16 | 中国电力科学研究院 | Realization method and test system for laboratory alternating current-direct current (AC-DC) coordinated controller prototype |
| US10268170B2 (en) | 2017-01-03 | 2019-04-23 | General Electric Company | Validation of control command in substantially real time for industrial asset control system threat detection |
| WO2020181651A1 (en) * | 2019-03-12 | 2020-09-17 | 南方电网科学研究院有限责任公司 | Compact real-time simulation system for direct current control and protection |
| CN112329235A (en) * | 2020-11-05 | 2021-02-05 | 上海远宽能源科技有限公司 | Power electronic system real-time simulation method based on hybrid modeling |
| CN112329235B (en) * | 2020-11-05 | 2023-03-28 | 上海远宽能源科技有限公司 | Power electronic system real-time simulation method based on hybrid modeling |
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Granted publication date: 20130807 |