CN103364663B - Intelligent device for simulating transformer substation primary equipment behavior - Google Patents
Intelligent device for simulating transformer substation primary equipment behavior Download PDFInfo
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- CN103364663B CN103364663B CN201310296192.0A CN201310296192A CN103364663B CN 103364663 B CN103364663 B CN 103364663B CN 201310296192 A CN201310296192 A CN 201310296192A CN 103364663 B CN103364663 B CN 103364663B
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Abstract
The invention belongs to the technical field of electric systems, and relates to an intelligent device for simulating transformer substation primary equipment behavior. The intelligent device comprises an information processing module, a function switching module, a primary equipment interface module, an analogue simulation module and a test control switch. According to the intelligent device, the state of primary equipment can be simulated, and switching off and switching on of a breaker, operations of a disconnecting switch ( and an earthing knife-switch), analog control of transformer on-load voltage regulation and primary equipment state correctness testing can be finished in a secondary system integrator. The problem that a control loop of a traditional intelligent device needs to be tested on the spot is solved, and a necessary condition is created for achieving the testing of a secondary system plant preset mode.
Description
Technical field
What the present invention relates to is a kind of simulation system of technical field of power systems, specifically a kind of intelligent apparatus for simulating primary equipment (isolating switch, disconnector, grounding switch, load tap changer regulate) operation behavior.
Background technology
Transformer station carries out operating the important component part that the loop controlled is Substation control to electrical primary equipment (as transformer, isolating switch, disconnector, grounding switch, hereinafter referred to as primary equipment).Under transformer substation construction requires to take the situation of factory presets pattern; the intelligent apparatus that present stage is generally applied is (as relay protection, control box, intelligent terminal, intelligent assembly; hereinafter referred to as intelligent apparatus) as the control device of primary equipment; because not possessing the function of simulation primary equipment action behavior, the requirement of factory presets pattern obviously can not be met.
The operation control circuit that the intelligent apparatus control loop of current routine and primary equipment are formed, all test needs and primary equipment have linked at substation field and have controlled and state verification.Current Domestic substation project implements the function still do not adopted by intelligent apparatus control loop built-in analog primary equipment action behavior, realize the simulation test of primary equipment action behavior and state, can only be linked by substation field intelligent apparatus and primary equipment and test.Need manually to operate at the scene, test period is long, and workload is large.
Through finding the retrieval of prior art, Chinese patent literature CN101782774, publication date 2010-07-21, disclose a kind of DC field layer simulation system, digital real-time simulation system and closed loop test system, the DC field layer simulation system of this technology comprises field apparatus model: for simulated field AC-DC switch field, alternating current-direct current wave filter, converter power transformer, SER sequential affair and auxiliary signal; Measure and control device model: operational order can be distributed, return field equipment state and gather analog quantity; Communication Model: be provided with data collecting card and field bus communication card; The reading and writing module of bus communication card and capture card; But this technology is simulation system, is intended to the various test of experimental enviroment Imitating, the analog-gangtest of actual primary equipment and secondary device can not be solved.
Summary of the invention
The present invention is directed to prior art above shortcomings, a kind of intelligent apparatus for imitating substation primary equipment action behavior is proposed, for each interval of transformer station, simulation primary equipment and secondary device action linked character, to originally need the linkage test completed at the scene to complete under experimental enviroment, reduce the workload that field engineering is implemented.The present invention can be supported in factory of electrical secondary system integrator, completes isolating switch breaker tripping and closing, disconnector (and grounding switch) operation, the analogue enlargement of transformer on-load voltage regulating and the test of primary equipment state correctness.The control loop solving traditional intelligence device needs on-the-spot test problem, thus creates necessary condition for the test realizing electrical secondary system factory presets pattern.
The present invention is achieved by the following technical solutions, the present invention includes: message processing module, function handover module, primary equipment interface module, analogue simulation module and testing and control switch, wherein: message processing module is connected with function handover module and receives with GOOSE mechanism and transmit control command and status information, function handover module is connected with analogue simulation module with primary equipment interface module respectively, carries out running, to test and the function of transmission switches; Primary equipment interface module gathers the quantity of state of primary equipment or passes through the action of Control primary equipment; Analogue simulation module completes action behavior or the state of mimic-disconnecting switch, disconnector, grounding switch and transformer on-load voltage regulating; Testing and control switch is connected with function handover module, is completed the switching of actual primary equipment coupled situation or emulation primary equipment state by manual control.
Described message processing module comprises: logic function unit and GOOSE network interface unit, wherein: GOOSE network interface unit receives GOOSE message service from external system respectively to realize test starting, logic function unit receives the test command that GOOSE network interface unit exports respectively, control the simulated primary equipment of the analogue simulation module connected through function handover module, receive the state of the simulated equipment of analogue simulation module introduced through function handover module simultaneously.
Described function handover module comprises: function switching unit and unit of testing and controlling, wherein: function switching unit completes the connection of message processing module and primary equipment interface module or analogue simulation module according to the state of unit of testing and controlling; When testing and control switch drops into, message processing module and analogue simulation model calling; When testing and control switch exits, message processing module is connected with primary equipment interface module.
Described primary equipment interface module comprises: state acquisition unit and relay outlet port unit, wherein: state acquisition unit opens the work state information gathering primary equipment into mode by optocoupler, and exports function handover module to; The control command of relay outlet port unit receiving function handover module transmission, drives primary equipment by relay tip mode simultaneously.
Described analogue simulation module comprises: mimic-disconnecting switch unit, analog isolation switch element, analogue ground disconnecting link unit and analogue transformer on-load voltage regulation gear unit, wherein: mimic-disconnecting switch unit is connected with function handover module and receives operating breaker breaker tripping and closing order and rest-set flip-flop is reversed, export rest-set flip-flop current state by function handover module simultaneously; Analog isolation switch element is connected with function handover module and receives isolator operation order and rest-set flip-flop is reversed, and exports rest-set flip-flop current state by function handover module simultaneously; Analogue ground disconnecting link unit is connected with function handover module and receives grounding switch operational order and rest-set flip-flop is reversed, and exports rest-set flip-flop current state by function handover module simultaneously; Analogue transformer on-load voltage regulation gear unit is connected with function handover module and receiving transformer gear shifting operation order software counter change, and passes through function handover module output software counter current value.
Technique effect
Compared with prior art, the present invention is by carrying out analog simulation to the breaker operator of intelligent apparatus and closing loop, disconnector (and grounding switch) operation circuit, transformer on-load voltage regulating control loop etc., realize the functional test with actual primary equipment decoupling zero, testing procedure is rationally effective, meets the requirement of electric substation automation system test completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: message processing module, function handover module, primary equipment interface module, analogue simulation module and testing and control switch, wherein: message processing module is connected with function handover module and receives with GOOSE mechanism and transmit control command and status information; Function handover module is connected with analogue simulation module with primary equipment interface module respectively and carries out running, to test and the function of transmission switches; Primary equipment interface module gathers the quantity of state of primary equipment or passes through the action of Control primary equipment; Analogue simulation module completes action behavior or the state of mimic-disconnecting switch, disconnector, grounding switch and transformer on-load voltage regulating; Testing and control switch is connected with function handover module and is completed actual primary equipment coupled situation by manual control or emulate the switching of primary equipment state.
Described message processing module comprises: logic function unit and GOOSE network interface unit, wherein: GOOSE network interface unit receives GOOSE message service from external system respectively to realize test starting, logic function unit receives the test command that GOOSE network interface unit exports respectively, control the simulated primary equipment of the analogue simulation module connected through function handover module, receive the state of the simulated equipment of analogue simulation module introduced through function handover module simultaneously.
Described function handover module comprises: function switching unit and unit of testing and controlling, wherein: function switching unit completes the connection of message processing module and primary equipment interface module or analogue simulation module according to the state of unit of testing and controlling; When testing and control switch drops into, message processing module and analogue simulation model calling; When testing and control switch exits, message processing module is connected with primary equipment interface module.
Described primary equipment interface module comprises: state acquisition unit and relay outlet port unit, wherein: state acquisition unit opens the work state information gathering primary equipment into mode by optocoupler, and export function handover module to, the control command of relay outlet port unit receiving function handover module transmission, drives primary equipment by relay tip mode simultaneously.
Described analogue simulation module comprises: mimic-disconnecting switch unit, analog isolation switch element, analogue ground disconnecting link unit and analogue transformer on-load voltage regulation gear unit, wherein: mimic-disconnecting switch unit is connected with function handover module and receives operating breaker breaker tripping and closing order and rest-set flip-flop is reversed, export rest-set flip-flop current state by function handover module simultaneously, analog isolation switch element is connected with function handover module and receives isolator operation order and rest-set flip-flop is reversed, export rest-set flip-flop current state by function handover module simultaneously, analogue ground disconnecting link unit is connected with function handover module and receives grounding switch operational order and rest-set flip-flop is reversed, export rest-set flip-flop current state by function handover module simultaneously, analogue transformer on-load voltage regulation gear unit is connected with function handover module and receives gear shifting operation order and software counter is changed, and by function handover module output software counter current value.
The present embodiment specific works process is as follows:
1) precondition of intelligent apparatus control loop test differentiates: according to test needs, must drop into test and drop into switch.
2) intelligent apparatus message processing module can receive send here with GOOSE message isolating switch breaker tripping and closing, disconnector (or grounding switch) and transformer on-load voltage regulating operation signal, support that hand jumps contact input simultaneously.If receive signal when testing, signal exports to function handover module.
3) now, Test Switchboard is in input state, and function handover module internal interface is switched to state 2 by function, and intelligent apparatus message processing module is connected after being switched by function handover module with analogue simulation module.
A) test both opens device control loop: rest-set flip-flop reverse, simultaneously by function handover module output rest-set flip-flop current state after receiving operating breaker breaker tripping and closing order.
B) disconnector (or grounding switch) control loop is tested: to receive after disconnector (grounding switch) operational order and rest-set flip-flop reverse, simultaneously by function handover module output rest-set flip-flop current state.
C) test transformer to transfer the files control loop: after the order of receiving transformer gear shifting operation, software counter change, and pass through function handover module output software counter current value.
4), after being completed, Test Switchboard is exited.Function handover module internal interface is switched to state 1 by function; Intelligent apparatus message processing module is connected after being switched by function handover module with primary equipment interface module.
So far, the control loop test Overall Steps of intelligent apparatus is completed.
The present embodiment compared with prior art, when actual primary equipment is not connected with intelligent apparatus, in factory of electrical secondary system integrator, can carry out system testing by the intelligent apparatus of simulation primary equipment operation behavior and the connection of substation control system, the configuration correctness of the electric substation automation system that makes entirely to stand can be verified in factory.Shorten substation field debug time, improve debugging quality and efficiency.
Claims (4)
1. the intelligent apparatus for imitating substation primary equipment action behavior, it is characterized in that, comprise: message processing module, function handover module, primary equipment interface module, analogue simulation module and testing and control switch, wherein: message processing module is connected with function handover module and receives with GOOSE mechanism and transmit control command and status information; Function handover module is connected with analogue simulation module with primary equipment interface module respectively and carries out running, to test and the function of transmission switches; Primary equipment interface module gathers the quantity of state of primary equipment or passes through the action of Control primary equipment; Analogue simulation module completes action behavior or the state of mimic-disconnecting switch, disconnector, grounding switch and transformer on-load voltage regulating; Testing and control switch is connected with function handover module and is completed actual primary equipment coupled situation by manual control or emulate the switching of primary equipment state;
Described analogue simulation module comprises: mimic-disconnecting switch unit, analog isolation switch element, analogue ground disconnecting link unit and analogue transformer on-load voltage regulation gear unit, wherein: mimic-disconnecting switch unit is connected with function handover module and receives operating breaker breaker tripping and closing order and rest-set flip-flop is reversed, export rest-set flip-flop current state by function handover module simultaneously; Analog isolation switch element is connected with function handover module and receives isolator operation order and rest-set flip-flop is reversed, and exports rest-set flip-flop current state by function handover module simultaneously; Analogue ground disconnecting link unit is connected with function handover module and receives grounding switch operational order and rest-set flip-flop is reversed, and exports rest-set flip-flop current state by function handover module simultaneously; Analogue transformer on-load voltage regulation gear unit is connected with function handover module and receiving transformer gear shifting operation order software counter change, and passes through function handover module output software counter current value.
2. device according to claim 1, it is characterized in that, described message processing module comprises: logic function unit and GOOSE network interface unit, wherein: GOOSE network interface unit receives GOOSE message service from external system respectively to realize test starting, logic function unit receives the test command that GOOSE network interface unit exports respectively, control the simulated primary equipment of the analogue simulation module connected through function handover module, receive the state of the simulated equipment of analogue simulation module introduced through function handover module simultaneously.
3. device according to claim 1, it is characterized in that, described function handover module comprises: function switching unit and unit of testing and controlling, wherein: function switching unit completes the connection of message processing module and primary equipment interface module or analogue simulation module according to the state of unit of testing and controlling; When testing and control switch drops into, message processing module and analogue simulation model calling; When testing and control switch exits, message processing module is connected with primary equipment interface module.
4. device according to claim 1, it is characterized in that, described primary equipment interface module comprises: state acquisition unit and relay outlet port unit, wherein: state acquisition unit opens the work state information gathering primary equipment into mode by optocoupler, and export function handover module to, the control command of relay outlet port unit receiving function handover module transmission, drives primary equipment by relay tip mode simultaneously.
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| CN103731666B (en) * | 2014-01-03 | 2015-08-12 | 国家电网公司 | A kind of video linkage simulation device and method |
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| CN104298228A (en) * | 2014-10-15 | 2015-01-21 | 中国西电电气股份有限公司 | Detection device and method for intelligent high-voltage switch control system |
| CN104569686B (en) * | 2015-01-19 | 2017-12-15 | 国家电网公司 | A kind of intelligent substation and its intelligent secondary device test system |
| CN104820152B (en) * | 2015-05-21 | 2018-06-15 | 国家电网公司 | Portable DC switchs differential emulation test system and its implementation |
| CN105094120B (en) * | 2015-09-11 | 2019-01-15 | 国家电网公司 | Simulate the test device of primary equipment action behavior |
| CN105515204B (en) * | 2016-01-29 | 2019-04-09 | 山东鲁能智能技术有限公司 | A kind of intelligent substation Artificial switch, device and method |
| CN106125719A (en) * | 2016-07-31 | 2016-11-16 | 孙文兵 | A kind of intelligent high-pressure on-off control system detection device |
| CN107300669B (en) * | 2017-06-06 | 2020-03-24 | 南方电网科学研究院有限责任公司 | Programmable switch knife switch simulation device and realization method thereof |
| CN112433118B (en) * | 2020-11-16 | 2022-07-01 | 国网山东省电力公司聊城供电公司 | Anti-misoperation simulation device and method for 10kV medium-voltage power generation vehicle |
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