CN105548742A - Remote relay protection test system - Google Patents
Remote relay protection test system Download PDFInfo
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- CN105548742A CN105548742A CN201510887415.XA CN201510887415A CN105548742A CN 105548742 A CN105548742 A CN 105548742A CN 201510887415 A CN201510887415 A CN 201510887415A CN 105548742 A CN105548742 A CN 105548742A
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- relay protection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a remote relay protection test system. The remote relay protection test system comprises a protection HMI module for indoor control, a calculation control module and a remote local protection device comprising a relay protection function module and a test module, wherein the calculation control module is connected with relay protection test equipment through the network and transmits protection test control information and outputs test energizing quantity, the local protection device is connected with a protection HMI device through the station level network and transmits the MMS message information, the protection HMI device receives a test instruction of the calculation control module and feeds back the test result, and a remote test on the local protection device is realized. According to the remote relay protection test system, after one-times intelligent equipment shutdown, the remote online test on the local protection device is carried out, the online relay protection function test is realized, compared with outdoor tests, test work is simplified, test efficiency is improved, and the integral reliability of the system is improved.
Description
Technical field
What the present invention relates to is a kind of technology of field of power, the distant place test macro of specifically a kind of relay protection.
Background technology
Along with economic development, social progress, science and technology and the level of IT application improve constantly and the becoming increasingly conspicuous of global resources and environmental problem, power network development faces new problem and new challenge.Rely on present information, communication and control technology, develop actively intelligent grid, adapt to the requirement of Sustainable Development in Future, become the realistic choice of International Power development.As the important support that intelligent grid is built, there is the intelligent primary equipment of networking manipulation, digitized measurement, on-line testing and status monitoring feature, safe and stable operation for electric system has established material base, for operation, the scheduling optimizing electrical network provides sufficient data and regulating measure.
Intelligence primary equipment is important electrical in intelligent grid, and it is used for transformation, cut-out and connection load circuit and disengagement failure circuit, and Accident prevention expands, and ensures safe operation.Merge cells and intelligent terminal are the equipment having realized Separation control after combining with conventional electrical primary equipment, are important component parts of intelligent primary equipment.The pattern that existing Intelligentized method is used often " intelligent terminal+primary equipment ", the merge cells of employing and intelligent terminal only have the function gathering electric current, voltage and execution breaker tripping and closing order, do not have defencive function.Because electric current, voltage to protective device by optical fiber message mode, are occurred that message causes false protection extremely, threaten the safe operation of electrical network.Merge cells and defencive function merge realize site protective device can meet electric power netting safe running requirement, but bring many difficulties to test, round-the-clock test can not be met.But, if in employing distant place test function.Just can meet above-mentioned all requirements.
Summary of the invention
The present invention is directed to prior art above shortcomings, propose a kind of distant place test macro of relay protection, when a smart machine is stopped transport, distant place on-line testing can be carried out to site protective device, realize the On-line funchon test of relay protection.The test job with existing outdoor test simplified in comparison, improve the global reliability of testing efficiency and system, for the electrical secondary system on-line testing realizing a smart machine provides necessary condition, ensure that the safe operation of electrical network, improve the reliability of power system power supply.
The present invention is achieved by the following technical solutions:
The present invention includes: be arranged at protection HMI module in pulpit and calculation control module and be arranged at the site protective device be made up of relay protection function module and test module in a distant place, wherein: calculation control module and the testing apparatus for relay protection are connected by network and transmit relay testing control information and export and apply test and excitation amount, site protective device is connected by layer network of standing with protection HMI device respectively and transmits MMS message information, protection HMI device receives the test instruction of calculation control module and feedback test result, realize the distant place test of site protective device.
Technique effect
Compared with prior art, the present invention is directed to the testing feature of site protection, from demand and the principle of protective relaying device test, propose based on distributed intelligence distant place test macro.The present invention adopts distributed architecture and modular design method, the distant place test of implement device closed loop; Adopt Open architecture, facilitate the expansion of test macro.Present system provides and provide a distant place to test the method for protective device when not changing relay protection capital construction management pattern and relay protection personnel on site custom; place a relay protection tester controlled by Ethernet and PC in site protection installation place during test, tester connects current/voltage wiring and protects inner output contact to control the stopwatch contact of tester by site.Like this under the important prerequisite of defencive function reliability not changing original traditional protection; internal test modules function is added in site protection inside; the test in protection and loop when enormously simplify capital construction; improve the global reliability of system; for " distant place test " that realize protective relay device and loop provides necessary condition; ensure that the safe operation of protective device and electrical secondary system, improve the reliability of power system power supply.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
As shown in Figure 1, the present embodiment comprises: be arranged at protection HMI module in pulpit and calculation control module and be arranged at the site protective device be made up of relay protection function module and test module in a distant place, wherein: calculation control module and the testing apparatus for relay protection are connected by network and transmit relay testing control information and export and apply test and excitation amount, site protective device is connected by layer network of standing with protection HMI device respectively and transmits MMS message information, protection HMI device receives the test instruction of calculation control module and feedback test result, realize the distant place test of site protective device.
Described protection HMI module comprises: man-machine conversation unit and communications interface unit; wherein: man-machine conversation unit unit is connected with communications interface unit and test transmission switching command, protection act and point information, communications interface unit unit is connected with site protective device and test transmission switching command, protection act and point information by MMS network.
Described relay protection function module comprises: Microcomputer Protection unit and communications interface unit, wherein: Microcomputer Protection unit is connected and test transmission electric current, voltage and protection act switching value information by cable with testing apparatus.Be connected with test module and test transmission status information, communications interface unit unit is connected and test transmission switching command, protection act and point information with protection HMI module with the form of MMS message by station layer network simultaneously.
Described test module comprises: mimic-disconnecting switch unit and simulation secondary switch element; wherein: mimic-disconnecting switch unit is connected with relay protection function module and transmits circuit breaker position information, simulate secondary switch element to be connected with relay protection function module and to transmit to protect and input disconnecting link or intake information.
The present embodiment relates to the control method of said system, comprises the following steps:
1) testing apparatus for relay protection put into by terminal box out of doors, then disconnects the connecting line of tested site protective device and CT and PT, the p-wire of tester is connected to the electric current of site protective device, voltage and stopwatch lead-out terminal; The testing apparatus being used for relay protection is connected by netting twine with calculation control module.Shut Outdoor Terminal Case door, pulpit can be arrived and carry out next step test.
2) protect HMI module to adopt MMS message form to send to site protective device the instruction that tested device is switched to mimic-disconnecting switch, complete the logic switch from isolating switch to mimic-disconnecting switch.
3) network control testing apparatus is passed through by calculation control module; and apply electric current, the voltage terminal of test and excitation amount to defencive function module; after defencive function module action, output signal to testing apparatus by stopwatch lead-out terminal, stop the output of energizing quantity.
4) signal after protection HMI module employing MMS message form reception protection act, and according to the result of the action, definite value is modified, testing and debugging reaches correct result repeatedly.
So far, the Overall Steps of site protective device test is completed.
Above-mentioned concrete enforcement can carry out local directed complete set to it by those skilled in the art in a different manner under the prerequisite not deviating from the principle of the invention and aim; protection scope of the present invention is as the criterion with claims and can't help above-mentioned concrete enforcement and limit, and each implementation within the scope of it is all by the constraint of the present invention.
Claims (5)
1. the distant place test macro of a relay protection, it is characterized in that, comprise: be arranged at protection HMI module in pulpit and calculation control module and be arranged at the site protective device be made up of relay protection function module and test module in a distant place, wherein: calculation control module and the testing apparatus for relay protection are connected by network and transmit relay testing control information and export and apply test and excitation amount, site protective device is connected by layer network of standing with protection HMI device respectively and transmits MMS message information, protection HMI device receives the test instruction of calculation control module and feedback test result, realize the distant place test of site protective device.
2. system according to claim 1; it is characterized in that; described protection HMI module comprises: man-machine conversation unit and communications interface unit; wherein: man-machine conversation unit unit is connected with communications interface unit and test transmission switching command, protection act and point information, communications interface unit unit is connected with site protective device and test transmission switching command, protection act and point information by MMS network.
3. system according to claim 1; it is characterized in that; described relay protection function module comprises: Microcomputer Protection unit and communications interface unit, wherein: Microcomputer Protection unit is connected and test transmission electric current, voltage and protection act switching value information by cable with testing apparatus.Be connected with test module and test transmission status information, communications interface unit unit is connected and test transmission switching command, protection act and point information with protection HMI module with the form of MMS message by station layer network simultaneously.
4. system according to claim 1; it is characterized in that; described test module comprises: mimic-disconnecting switch unit and simulation secondary switch element; wherein: mimic-disconnecting switch unit is connected with relay protection function module and transmits circuit breaker position information, simulate secondary switch element to be connected with relay protection function module and to transmit to protect and input disconnecting link or intake information.
5. the control method of system according to above-mentioned arbitrary claim, is characterized in that, comprise the following steps:
1) testing apparatus for relay protection put into by terminal box out of doors, then disconnects the connecting line of tested site protective device and CT and PT, the p-wire of tester is connected to the electric current of site protective device, voltage and stopwatch lead-out terminal; The testing apparatus being used for relay protection is connected by netting twine with calculation control module;
2) protect HMI module to adopt MMS message form to send to site protective device the instruction that tested device is switched to mimic-disconnecting switch, complete the logic switch from isolating switch to mimic-disconnecting switch;
3) network control testing apparatus is passed through by calculation control module, and apply electric current, the voltage terminal of test and excitation amount to defencive function module, after defencive function module action, output signal to testing apparatus by stopwatch lead-out terminal, stop the output of energizing quantity;
4) signal after protection HMI module employing MMS message form reception protection act, and according to the result of the action, definite value is modified, testing and debugging reaches correct result repeatedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887415.XA CN105548742B (en) | 2015-12-04 | 2015-12-04 | System is tested in a distant place for relay protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887415.XA CN105548742B (en) | 2015-12-04 | 2015-12-04 | System is tested in a distant place for relay protection |
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| Publication Number | Publication Date |
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| CN105548742A true CN105548742A (en) | 2016-05-04 |
| CN105548742B CN105548742B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510887415.XA Expired - Fee Related CN105548742B (en) | 2015-12-04 | 2015-12-04 | System is tested in a distant place for relay protection |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279340A (en) * | 2017-12-29 | 2018-07-13 | 国网浙江省电力公司湖州供电公司 | Site protective relaying device test method and system |
| CN108508296A (en) * | 2018-03-30 | 2018-09-07 | 许继集团有限公司 | A kind of site element protection test method and system based on bidirectional loop network |
| CN109189639A (en) * | 2018-08-20 | 2019-01-11 | 国家电网公司 | The optical fiber adjustment method and site protective device of site protective device |
| CN109298326A (en) * | 2018-10-10 | 2019-02-01 | 国网浙江三门县供电有限公司 | The test macro and method of protective relaying device |
| CN110646692A (en) * | 2019-09-16 | 2020-01-03 | 积成电子股份有限公司 | On-site bus protection automatic on-load test method and test module |
| CN111049265A (en) * | 2019-12-16 | 2020-04-21 | 国网宁夏电力有限公司电力科学研究院 | Intelligent tapping method for in-situ protection equipment and test transfer box |
| CN111257682A (en) * | 2020-03-19 | 2020-06-09 | 国网福建省电力有限公司 | On-site function detection method for portable on-site bus protection submachine |
| CN112485563A (en) * | 2020-11-13 | 2021-03-12 | 无锡中科电气设备有限公司 | Microcomputer comprehensive relay protection testing device |
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| WO2014108002A1 (en) * | 2013-01-14 | 2014-07-17 | 国家电网公司 | Detection method and system of intelligent relay protection device |
| CN203949994U (en) * | 2014-07-15 | 2014-11-19 | 国家电网公司 | Relay protection test and simulation control device |
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| CN101867228A (en) * | 2010-07-22 | 2010-10-20 | 上海思源弘瑞自动化有限公司 | Outlet loop online detection system for relay protection device |
| CN102375105A (en) * | 2010-07-22 | 2012-03-14 | 上海宝冶集团有限公司 | Simulation test system of substation equipment relay protection system |
| CN102323502A (en) * | 2011-08-03 | 2012-01-18 | 上海毅昊自动化有限公司 | The line closed loop test macro and the method for testing thereof that are used for relay protection |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108279340A (en) * | 2017-12-29 | 2018-07-13 | 国网浙江省电力公司湖州供电公司 | Site protective relaying device test method and system |
| CN108279340B (en) * | 2017-12-29 | 2021-04-30 | 国网浙江省电力公司湖州供电公司 | In-situ relay protection device testing method and system |
| CN108508296A (en) * | 2018-03-30 | 2018-09-07 | 许继集团有限公司 | A kind of site element protection test method and system based on bidirectional loop network |
| CN109189639A (en) * | 2018-08-20 | 2019-01-11 | 国家电网公司 | The optical fiber adjustment method and site protective device of site protective device |
| CN109298326A (en) * | 2018-10-10 | 2019-02-01 | 国网浙江三门县供电有限公司 | The test macro and method of protective relaying device |
| CN110646692A (en) * | 2019-09-16 | 2020-01-03 | 积成电子股份有限公司 | On-site bus protection automatic on-load test method and test module |
| CN110646692B (en) * | 2019-09-16 | 2021-10-01 | 积成电子股份有限公司 | On-site bus protection automatic on-load test method and test module |
| CN111049265A (en) * | 2019-12-16 | 2020-04-21 | 国网宁夏电力有限公司电力科学研究院 | Intelligent tapping method for in-situ protection equipment and test transfer box |
| CN111257682A (en) * | 2020-03-19 | 2020-06-09 | 国网福建省电力有限公司 | On-site function detection method for portable on-site bus protection submachine |
| CN112485563A (en) * | 2020-11-13 | 2021-03-12 | 无锡中科电气设备有限公司 | Microcomputer comprehensive relay protection testing device |
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| Publication number | Publication date |
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| CN105548742B (en) | 2018-11-09 |
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