CN102540021B - High frequency office is placed on the method for wire system monitoring GIS - Google Patents
High frequency office is placed on the method for wire system monitoring GIS Download PDFInfo
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- CN102540021B CN102540021B CN201010596314.4A CN201010596314A CN102540021B CN 102540021 B CN102540021 B CN 102540021B CN 201010596314 A CN201010596314 A CN 201010596314A CN 102540021 B CN102540021 B CN 102540021B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 claims abstract description 7
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
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Abstract
High frequency office is placed on the method for wire system monitoring GIS, comprises the following steps; 1) high frequency office is placed on line monitoring system and uses superfrequency method, carries out independent detecting to multiple GIS monitoring point simultaneously; 2) high frequency office is placed on the arrangenent diagram that probe identity and distribution are put in the line monitoring system office of listing; 3) high frequency office is placed on line monitoring system and arranges filter, 4) high frequency office is placed on line monitoring system and arranges realtime curve function; 5) expert system that high frequency office is placed on line monitoring system can realize the automatic qualitative judgement of ultrahigh-frequency signal, and on human-computer interaction interface, show its type; 6) high frequency office is placed on line monitoring system and provides electric discharge historical record and Data Trend Monitor; 7) high frequency office is placed on line monitoring system and carries out automatic self; 8) high frequency office is placed on line monitoring system and carries out remote monitoring.Compared with prior art, the present invention is detected GIS timely and effectively by a series of means, has effectively ensured the normal operation of system equipment.
Description
Technical field
The present invention relates to a kind of method of monitoring GIS, especially relate to a kind of method that high frequency office is placed on wire system monitoring GIS.
Background technology
Along with the development of society, the demand of electric power is constantly increased, also more and more higher to the requirement of the quality of power supply, simultaneously to the requirement also corresponding raising of equipment safety operation.GIS (Gas Insulated Switchgear, gas insulated switchgear) is little with its volume, element all seals and not be more and more applied in the middle of electric system by the many merits such as environmental interference, easy for installation, operational reliability is high, the time between overhauls(TBO) is long, maintenance workload is little.Along with electric system is to the development of UHV (ultra-high voltage), high reliability and compact, GIS has become main development direction from now on.Due to the restriction of designing and manufacturing level, the Insulation Problems of current GIS happens occasionally, and GIS still has certain gap apart from non-maintaining target.Installation, the operative practice experience of domestic and international GIS transformer station show, most of GIS accident is caused by insulation defect, this kind of defect mainly comprises: exist in air chamber and exceed the free metal particulate of certain size, the protrusion of electrode surface or floating potential etc., these defects may cause insulation fault in GIS operational process, even can cause serious accident.Due to GIS device maintenance relative difficulty, once GIS breaks down, repair time is long, power failure influence area is large, consequence is very serious, and therefore, the insulation fault of early warning GIS inside is very important early.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of high frequency office be placed on wire system monitoring GIS method.
Object of the present invention can be achieved through the following technical solutions:
High frequency office is placed on the method for wire system monitoring GIS, comprises the following steps; 1) high frequency office is placed on line monitoring system and uses superfrequency method, carries out independent detecting to multiple GIS monitoring point simultaneously; 2) high frequency office is placed on the arrangenent diagram that probe identity and distribution are put in the line monitoring system office of listing, and facilitates user to read information; 3) high frequency office is placed on line monitoring system and arranges filter, and each probe possesses independently filter, to distinguish Partial discharge signal and inside and outside boundary undesired signal; 4) high frequency office is placed on line monitoring system and arranges realtime curve function, directly shows the signal of popping one's head in and detecting; 5) expert system that high frequency office is placed on line monitoring system can realize the automatic qualitative judgement of ultrahigh-frequency signal, and on human-computer interaction interface, show its type; 6) high frequency office is placed on line monitoring system and provides electric discharge historical record and Data Trend Monitor; 7) high frequency office is placed on line monitoring system and carries out automatic self; 8) high frequency office is placed on line monitoring system and carries out remote monitoring.
Compared with prior art, the present invention is detected GIS timely and effectively by a series of means, and the very first time finds fault and reports to the police, and has effectively ensured the normal operation of system equipment.
Embodiment
High frequency office is placed on the method for wire system monitoring GIS, comprises the following steps; 1) high frequency office is placed on line monitoring system and uses superfrequency method, carries out independent detecting to multiple GIS monitoring point simultaneously; 2) high frequency office is placed on the arrangenent diagram that probe identity and distribution are put in the line monitoring system office of listing, and facilitates user to read information; 3) high frequency office is placed on line monitoring system and arranges filter, and each probe possesses independently filter, to distinguish Partial discharge signal and inside and outside boundary undesired signal; 4) high frequency office is placed on line monitoring system and possesses realtime curve function, and directly display is popped one's head in the signal detected; 5) expert system that high frequency office is placed on line monitoring system can realize the automatic qualitative judgement of ultrahigh-frequency signal, and on human-computer interaction interface, show its type; 6) high frequency office is placed on line monitoring system and provides electric discharge historical record and Data Trend Monitor; 7) high frequency office is placed on line monitoring system and carries out automatic self; 8) high frequency office is placed on line monitoring system and carries out remote monitoring.
High frequency office is placed on line monitoring system and uses superfrequency method, carries out independent detecting simultaneously, has sensitive response to the Partial discharge signal of frequency range 500-1200MHz, can detect the signal being not more than 65dBm to multiple GIS monitoring point.Office is placed on line monitoring system and has the arrangenent diagram that probe identity and distribution are put in the office of listing, and facilitates user to read information.The distribution of the photoelectric conversion unit (OCU) that this system is equipped with the form display power station GIS of linear schematic diagram, and for each photoelectric conversion unit (OCU), use red, yellow, blue monochromatic round dot identifies the office respectively accessed mutually from GIS and puts probe.When with these round dots of mouse-pointing, the data that the identity information of selected for display photoelectric conversion unit (OCU) of popping one's head in and be connected with it and this probe gather by system.Office is placed on the probe of line monitoring system to each photoelectric conversion unit (OCU) and connection thereof and carries out single address assignment.Isolating switch uses "×" to represent usually, and disconnector uses "-" to represent.High frequency office is placed on line monitoring system and possesses filter.Each probe possesses independently filter, to distinguish Partial discharge signal and inside and outside boundary undesired signal, as opening and closing movement signal, self-test signal, radio, communication signal etc.After monitoring system installation is put in office, signal measurement is carried out to scene, to confirm existing various external interference signals, and the feature of common interference signal is recorded in filter.Filter need provide the prerequisite of the sensitivity meeting CIGIE document claims in consideration system under, by software simulating, and manually can select to open, undesired signal is filtered, make it not appear in trend analysis display.System possesses realtime curve function, directly shows the signal of popping one's head in and detecting.High frequency office is placed on line monitoring system and each cycle is divided into 64 time intervals, catches the Partial discharge signal in 50 consecutive periods (1 second), and real in real time with three dimensional pattern; Meanwhile, carry out uninterrupted recording to from the crest amplitude of signal and maximum count rate (accumulated discharge umber of pulse per second) of talking probe, and show with amplitude cumulative chart (POW) office detected and put.The sampled signal stored in system database can be called at any time, display and contrast.The expert system of system can realize the automatic qualitative judgement of ultrahigh-frequency signal, and on human-computer interaction interface, show its type.Although there be now multiple playing a game to put the method for row classification into, the classification to all defect can be realized without any a kind of method.In order to increase the accuracy that identification office puts, system is analyzed institute's image data by multiple different rule, then gather final conclusion: a comprehensive taxis system, event is put for detected office, provide all possible classification judge, and corresponding classification possibility or judge reliability: 1. suspension electrode; 2. insulation defect/surface contamination; 3. bus corona; 4. air chamber corona; 5. particulate; 6.GIS deciliter actuating signal; 7. extraneous communication signal, as phone, radar etc.; 8. general ambient noise.High frequency office is placed on line monitoring system and provides electric discharge historical record and Data Trend Monitor.The automatic file that data are put in office is spaced apart 15 minutes, and to guarantee to play a game, the event of putting is carried out the Data Trend Monitor of 24 hours and calls in the future.Data can by further record and process, the Data Trend Monitor that the event of putting of guaranteeing to play a game is carried out 12 months, with provide one clearly office let live dynamic trend record, in order to confirm whether defect worsens rapidly.Situation figure can indicate that the office detected puts the development and change of event and whether can cause the generation of breakdown accident.System lets live dynamic number of times by analyzing the office that detects, and the mean value of amplitude is put in office and discharge rate number percent is put in office, if to have exceeded warning presetting for these parameters, by automatic output alarm signal.) auto-alarm function.System can realize unattended duty, and slip-stick artist only just need get involved when detecting/warning is put in the system office of sending or System self-test is reported to the police.High frequency office is placed on line monitoring system can per hour or automatic self once a day.User can select the frequency of System self-test signal, when after System self-test failure, can send immediately to run and report to the police.When after systems scan to the Partial discharge signal exceeding pre-set threshold value, can put warning by forwarding office immediately, alerting signal is presented on the computer display screen curtain of system, until alerting signal is identified, warning message is preserved 1 year by system, comprises the date of reporting to the police, time and reason; The date of alarming determining and time; Report to the police the date and time that disappear.In the general headquarters of user, second cover computer equipment of outfit modulator-demodular unit or LAN (Local Area Network) connection can be installed to carry out the Long-distance Control of system: office is placed on the running of line monitoring system (PRM-R), control, it is consistent that every System Operation such as data receiver and control system at the scene carry out local control.The character determination data transfer rate of communication line, therefore LAN (Local Area Network) connects the connected mode for recommending.
Claims (1)
1. high frequency office is placed on the method for wire system monitoring GIS, it is characterized in that, comprises the following steps;
1) high frequency office is placed on line monitoring system and uses superfrequency method, carries out independent detecting to multiple GIS monitoring point simultaneously;
2) high frequency office is placed on the arrangenent diagram that probe identity and distribution are put in the line monitoring system office of listing, and facilitates user to read information;
The distribution of the photoelectric conversion unit that the form display power station GIS that high frequency office is placed on the linear schematic diagram of line monitoring system is equipped with, and for each photoelectric conversion unit, use red, yellow, blue monochromatic round dot identifies the office respectively accessed mutually from GIS and puts probe, and puts probe to the office of each photoelectric conversion unit and connection thereof and carry out single address assignment;
3) high frequency office is placed on line monitoring system and arranges filter, and each probe possesses independently filter, to distinguish Partial discharge signal and inside and outside boundary undesired signal;
4) high frequency office is placed on line monitoring system and arranges realtime curve function, directly shows the signal of popping one's head in and detecting;
5) expert system that high frequency office is placed on line monitoring system can realize the automatic qualitative judgement of ultrahigh-frequency signal, and on human-computer interaction interface, show its type;
6) high frequency office is placed on line monitoring system and provides electric discharge historical record and Data Trend Monitor;
7) high frequency office is placed on line monitoring system and carries out automatic self;
8) high frequency office is placed on line monitoring system and carries out remote monitoring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010596314.4A CN102540021B (en) | 2010-12-20 | 2010-12-20 | High frequency office is placed on the method for wire system monitoring GIS |
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| CN201010596314.4A CN102540021B (en) | 2010-12-20 | 2010-12-20 | High frequency office is placed on the method for wire system monitoring GIS |
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| CN102540021A CN102540021A (en) | 2012-07-04 |
| CN102540021B true CN102540021B (en) | 2015-08-05 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251962A (en) * | 2013-06-27 | 2014-12-31 | 国家电网公司 | Gas-insulation completely-enclosed combined electrical appliance monitoring device and system |
| CN103617356B (en) * | 2013-11-27 | 2016-09-07 | 国家电网公司 | A kind of adaptive online monitoring data trend abstraction method |
| CN104360248A (en) * | 2014-11-24 | 2015-02-18 | 国家电网公司 | Partial discharging monitoring method and device |
| CN104655994B (en) * | 2015-01-28 | 2017-09-12 | 杭州申昊科技股份有限公司 | GIS partial discharge on-line monitoring systems |
| CN107505549A (en) * | 2017-08-30 | 2017-12-22 | 国网上海市电力公司 | A kind of intelligent multifunction partial discharge monitoring system |
| CN112578245A (en) * | 2020-12-09 | 2021-03-30 | 广西电网有限责任公司电力科学研究院 | GIS disconnecting link air chamber fault diagnosis method and device based on optical technology |
| CN113253038B (en) * | 2021-06-28 | 2021-09-10 | 广东电网有限责任公司中山供电局 | Online monitoring device and method for comprehensive alarm unit of GIS equipment of transformer substation |
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| CN1553207A (en) * | 2003-12-18 | 2004-12-08 | 西安交通大学 | High-frequency wide-band local discharging on-line monitoring method in gas insulative converting station |
| CN101702002A (en) * | 2009-12-07 | 2010-05-05 | 上海市电力公司 | Local discharge electroacoustic united detection positioning system and positioning method thereof |
| CN101782614A (en) * | 2010-02-20 | 2010-07-21 | 中国科学院电工研究所 | Device for detecting breakdown of sulfur hexafluoride gas-insulated electrical equipment |
| CN201576071U (en) * | 2009-11-26 | 2010-09-08 | 杭州美卓自动化技术有限公司 | Partial discharge monitoring device of gas insulated switchgear |
| CN101833060A (en) * | 2010-05-26 | 2010-09-15 | 四川电力试验研究院 | Positioning device for monitoring partial discharge of gas-insulater switchgear on line |
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2010
- 2010-12-20 CN CN201010596314.4A patent/CN102540021B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553207A (en) * | 2003-12-18 | 2004-12-08 | 西安交通大学 | High-frequency wide-band local discharging on-line monitoring method in gas insulative converting station |
| CN201576071U (en) * | 2009-11-26 | 2010-09-08 | 杭州美卓自动化技术有限公司 | Partial discharge monitoring device of gas insulated switchgear |
| CN101702002A (en) * | 2009-12-07 | 2010-05-05 | 上海市电力公司 | Local discharge electroacoustic united detection positioning system and positioning method thereof |
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Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI ELECTRIC Free format text: FORMER OWNER: SHANGHAI JIULONG ELECTRIC POWER SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20121220 |
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Effective date of registration: 20121220 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Electric Power Communication Co., Ltd. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Jiulong Electric Power Co., Ltd. |
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