CN103336253A - Optical digital relay protection tester detection apparatus - Google Patents
Optical digital relay protection tester detection apparatus Download PDFInfo
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- CN103336253A CN103336253A CN2013102082957A CN201310208295A CN103336253A CN 103336253 A CN103336253 A CN 103336253A CN 2013102082957 A CN2013102082957 A CN 2013102082957A CN 201310208295 A CN201310208295 A CN 201310208295A CN 103336253 A CN103336253 A CN 103336253A
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Abstract
The invention provides an optical digital relay protection tester detection apparatus. The optical digital relay protection tester detection apparatus is characterized by comprising a main system, an optical switch, a signal capture analysis module and a small-signal detection module. When the optical digital relay protection tester detection apparatus is used for detecting, the main system gives a work instruction to the detected optical digital relay protection tester; the optical digital relay protection tester gives an optical signal to the optical switch; the optical switch converts the optical signal into a digital signal and gives the digital signal to the signal capture and analysis module; the signal capture and analysis module captures, analyzes and decodes the digital single; the analyzed and decoded digital signal is transmitted to the main system for operation, and a test result is displayed by the main system. The optical digital relay protection tester detection apparatus can perform automatic detection on the optical digital relay protection tester, and fills a technology gap that no effective equipment for detecting the optical digital relay protection tester is provided in the prior art. Through the effective detection of the optical digital relay protection tester, the safe and stable operation of an electric power system is maximally guaranteed.
Description
Technical field
The present invention relates to the relay protection of power system technical field of measurement and test, specifically light digital relay protection tester pick-up unit in a kind of electric system.
Background technology
Along with the progressively Large scale construction of popularization, digital transformer substation of Power System Intelligent electrical network, power system relay protection device has also been realized digital optical fiber communication.For light digital relay protection device is detected, light digital relay protection tester arises at the historic moment.The performance index of light digital relay protection tester, quality quality directly influence the running quality of light digital relay protection device, thereby have influence on the safe operation of electric system, and it is imperative therefore light digital relay protection tester effectively to be detected.Yet the effective equipment that light digital relay protection tester was not detected before the present invention makes this test item be in space state, and operation brings hidden danger to power system safety and stability.
In view of this, be necessary to provide a kind of smooth digital relay protection tester pick-up unit, to satisfy the work requirements of electric system.
Summary of the invention
The objective of the invention is: the present situation that does not have effective detection means at light digital relay protection tester; and a kind of device that can detect automatically light digital relay protection tester is proposed; smooth digital relay protection tester pick-up unit provided by the invention is caught by main system, optical switch, signal and is analysed module and the small-signal detection module is formed; use computer technology to convert light signal to digital signal according to the IEC61850-9-1/2 communication protocol, through the detection of realizations such as quick computing, figure demonstration to light digital relay protection tester.
Technical scheme of the present invention is: a kind of smooth digital relay protection tester pick-up unit, it is characterized in that, it is caught by main system, optical switch, signal and analyses module and the small-signal detection module is formed, described optical switch one end is electrically connected with main system, and the other end and signal are caught and analysed module and be electrically connected; Described signal is caught and is analysed module one end and be electrically connected with optical switch, and the other end is electrically connected with main system, small-signal detection module respectively; Described small-signal detection module one end and signal are caught and are analysed module and be electrically connected, and the other end is electrically connected with main system; When light digital relay protection tester is detected; send work order by main system to detected light digital relay protection tester; light digital relay protection tester sends light signal to optical switch; optical switch converts light signal to digital signal and issues signal and catch and analyse module; caught by signal and to analyse module digital signal is caught, analyzed and decodes; Xie Ma digital signal is passed to main system by analysis, is carried out computing and is shown testing result by main system.
Aforesaid smooth digital relay protection tester pick-up unit; it is characterized in that; described signal is caught and is analysed module and be made up of high speed embedded computer and stipulations resolver; the high speed embedded computer carries out quick computing with the digital signal of catching; the stipulations resolver is according to the IEC61850-9-1/2 communication protocol; with digital signal decoding, and pass to main system and handle.
Aforesaid smooth digital relay protection tester pick-up unit; it is characterized in that; the small-signal of light digital relay protection tester detects and is finished by small-signal detection module and main system; the small-signal detection module is made up of signal conditioner, high-precision a/d converter and dsp processor; the small-signal detection module receives the small-signal that light digital relay protection tester sends; after signal conditioner, high-precision a/d converter and the dsp processor of small-signal detection module, data are passed to main system.
The invention has the beneficial effects as follows: the advantage of smooth digital relay protection tester pick-up unit of the present invention is: 1, can detect automatically light digital relay protection tester; 2, can coloredly show three-phase voltage three-phase current waveform, the technical indicator of visual representation voltage, electric current, phase place, frequency and testing result; 3, can form examining report automatically by form in accordance with regulations, detect data and can store, retrieve, print 4, pass through the effective detection to light digital relay protection tester, guarantee the power system safety and stability operation to greatest extent.
Description of drawings
Accompanying drawing 1 is circuit box structure synoptic diagram of the present invention.
Accompanying drawing 2 is caught the circuit box structure synoptic diagram of analysing module for signal among the present invention.
Accompanying drawing 3 is the circuit box structure synoptic diagram of the medium and small signal detection module of the present invention.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.Those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values are equally within the listed claims limited range of the application.
Symbol description in the accompanying drawing: the 1-main system, 2-optical switch, 3-signal are caught and are analysed module, 4-small-signal detection module, 5-high speed embedded computer, 6-stipulations resolver, 7-signal conditioner, 8-high-precision a/d converter, 9-DSP processor.
Referring to accompanying drawing 1, a kind of smooth digital relay protection tester pick-up unit, it is caught by main system 1, optical switch 2, signal and analyses module 3 and small-signal detection module 4 is formed.Optical switch 2 one ends are electrically connected with main system 1, and the other end and signal are caught and analysed module 3 and be electrically connected; Signal is caught and is analysed module 3 one ends and be electrically connected with optical switch 2, and the other end is electrically connected with main system 1, small-signal detection system 4 respectively; Small-signal detection module 4 one ends and signal are caught and are analysed module 3 and be electrically connected, and the other end is electrically connected with main system 1.
When light digital relay protection tester is detected; send work order by main system 1 to detected light digital relay protection tester; light digital relay protection tester sends light signal to optical switch 2; optical switch 2 converts light signal to digital signal and issues signal and catch and analyse module 3; this digital signal is encoded according to the IEC61850-9-1/2 communication protocol; caught by signal and to analyse 3 pairs of digital signals of module and catch; analyze and decoding; Xie Ma digital signal is passed to main system 1 by analysis, carries out computing by main system 1; figure shows; generate examining report and data management.
Signal is caught and is analysed module 3 as shown in Figure 2, it mainly is made up of high speed embedded computer 5 and stipulations resolver 6, high speed embedded computer 5 carries out quick computing with the digital signal of catching, stipulations resolver 6 is according to the IEC61850-9-1/2 communication protocol, with digital signal decoding, and pass to main system 1 and handle.
The continue small-signal of protecting tester of light numeral detects and is finished by small-signal detection module 4 and main system 1, small-signal detection module 4 as shown in Figure 3, it mainly is made up of signal conditioner 7, high-precision a/d converter 8 and dsp processor 9.Small-signal detection module 4 receives the small-signal that light digital relay protection tester sends; after the signal conditioner 7 of warp, high-precision a/d converter 8 and the dsp processor 9; data are passed to main system 1, carry out computing, figure demonstration, generate examining report and data management by main system 1.
Main system 1 is a computing machine.In the main system 1 special software is installed.The host system software of this device is made up of data acquisition program, data processor, data communication program and data administrator four parts, is installed in the main system 1.
Be embodiments of the invention only below, be not limited to the present invention, therefore within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (3)
1. light digital relay protection tester pick-up unit, it is characterized in that, it is caught by main system, optical switch, signal and analyses module and the small-signal detection module is formed, and described optical switch one end is electrically connected with main system, and the other end and signal are caught and analysed module and be electrically connected; Described signal is caught and is analysed module one end and be electrically connected with optical switch, and the other end is electrically connected with main system, small-signal detection module respectively; Described small-signal detection module one end and signal are caught and are analysed module and be electrically connected, and the other end is electrically connected with main system; When light digital relay protection tester is detected; send work order by main system to detected light digital relay protection tester; light digital relay protection tester sends light signal to optical switch; optical switch converts light signal to digital signal and issues signal and catch and analyse module; caught by signal and to analyse module digital signal is caught, analyzed and decodes; Xie Ma digital signal is passed to main system by analysis, is carried out computing and is shown testing result by main system.
2. smooth digital relay protection tester pick-up unit according to claim 1; it is characterized in that; described signal is caught and is analysed module and be made up of high speed embedded computer and stipulations resolver; the high speed embedded computer carries out quick computing with the digital signal of catching; the stipulations resolver is according to the IEC61850-9-1/2 communication protocol; with digital signal decoding, and pass to main system and handle.
3. smooth digital relay protection tester pick-up unit according to claim 1; it is characterized in that; the small-signal of light digital relay protection tester detects and is finished by small-signal detection module and main system; the small-signal detection module is made up of signal conditioner, high-precision a/d converter and dsp processor; the small-signal detection module receives the small-signal that light digital relay protection tester sends; after signal conditioner, high-precision a/d converter and the dsp processor of small-signal detection module, data are passed to main system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102082957A CN103336253A (en) | 2013-05-30 | 2013-05-30 | Optical digital relay protection tester detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102082957A CN103336253A (en) | 2013-05-30 | 2013-05-30 | Optical digital relay protection tester detection apparatus |
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| CN103336253A true CN103336253A (en) | 2013-10-02 |
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| CN2013102082957A Pending CN103336253A (en) | 2013-05-30 | 2013-05-30 | Optical digital relay protection tester detection apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777092A (en) * | 2013-12-23 | 2014-05-07 | 国家电网公司 | Cloud technology based relay protection test system and method |
| CN104991209A (en) * | 2015-06-19 | 2015-10-21 | 国网天津市电力公司 | Optical digital relay protection testing instrument detection method |
| CN107084757A (en) * | 2017-03-29 | 2017-08-22 | 国家电网公司 | One kind protection passage special detector |
Citations (4)
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| JPH09243696A (en) * | 1996-03-08 | 1997-09-19 | Hitachi Ltd | Digital protective relay testing apparatus |
| CN201518052U (en) * | 2009-10-26 | 2010-06-30 | 江西省电力科学研究院 | Portable all-digital relay protection transient closed-loop tester |
| CN202421366U (en) * | 2011-12-16 | 2012-09-05 | 武汉凯默电气有限公司 | Hand-held optical digital tester used for testing smart grid |
| CN202533519U (en) * | 2012-02-21 | 2012-11-14 | 国家电网公司 | Fully automatic closed loop test system of protective relaying device |
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2013
- 2013-05-30 CN CN2013102082957A patent/CN103336253A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243696A (en) * | 1996-03-08 | 1997-09-19 | Hitachi Ltd | Digital protective relay testing apparatus |
| CN201518052U (en) * | 2009-10-26 | 2010-06-30 | 江西省电力科学研究院 | Portable all-digital relay protection transient closed-loop tester |
| CN202421366U (en) * | 2011-12-16 | 2012-09-05 | 武汉凯默电气有限公司 | Hand-held optical digital tester used for testing smart grid |
| CN202533519U (en) * | 2012-02-21 | 2012-11-14 | 国家电网公司 | Fully automatic closed loop test system of protective relaying device |
Non-Patent Citations (2)
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| 冯硕 等: "基于IEC61850的光数字继电保护测试仪的研制", 《继电器》, vol. 36, no. 8, 16 April 2008 (2008-04-16) * |
| 杨涛 等: "IEC61850数字式继电保护测试仪的检测及技术分析", 《浙江电力》, no. 1, 25 January 2012 (2012-01-25), pages 10 - 13 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777092A (en) * | 2013-12-23 | 2014-05-07 | 国家电网公司 | Cloud technology based relay protection test system and method |
| CN103777092B (en) * | 2013-12-23 | 2016-08-31 | 国家电网公司 | A kind of relay protection test system based on cloud and method thereof |
| CN104991209A (en) * | 2015-06-19 | 2015-10-21 | 国网天津市电力公司 | Optical digital relay protection testing instrument detection method |
| CN107084757A (en) * | 2017-03-29 | 2017-08-22 | 国家电网公司 | One kind protection passage special detector |
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Application publication date: 20131002 |