CN102692587B - Method for simulating and detecting discharging inside GIS (gas insulated switchgear) - Google Patents
Method for simulating and detecting discharging inside GIS (gas insulated switchgear) Download PDFInfo
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- CN102692587B CN102692587B CN201210191810.0A CN201210191810A CN102692587B CN 102692587 B CN102692587 B CN 102692587B CN 201210191810 A CN201210191810 A CN 201210191810A CN 102692587 B CN102692587 B CN 102692587B
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Abstract
The invention relates to a method for simulating and detecting the discharging inside GIS (gas insulated switchgear). The existing method is single in discharging simulation type, and a discharging mold is inconvenient to replace. The method comprises the following steps of: moving each discharging mold respectively when different types of discharging molds are adopted; then applying voltage on a bus, generating discharging when the discharging molds are positioned in a discharging cylinder, wherein different types of discharging molds can generate different discharging types; adjusting the distance from each discharging mold and the bus, thus the discharging intensity of each discharging mold is changed; detecting the discharging types and intensity generated in the discharging cylinder; recording the distance, voltage intensity and detecting result between each discharging mold and the bus; and adjusting each discharging mold to the corresponding part when the discharging type and intensity are required to be generated in the scientific research teaching, and inputting the corresponding voltage intensity, thus the discharging type and intensity are realized. According to the invention, the simulation of multiple discharging situations is conveniently realized, the discharging type is convenient to switch, the convenience of GIS discharging research is improved, and meanwhile, the research cost is lowered.
Description
Technical field
The invention belongs to technical field of electric power detection, be specifically related to a kind of Simulated GlS (Gas Insulated Switchgear,
sulfur hexafluoride sealed combination electrical equipment) internal discharge and detection method.
Background technology
The method of existing Simulated GlS electric discharge usually installs Discharge Simulation electrode additional and realizes on the basis of ready-made power station GIS air chamber, and electric discharge kind is more single, and changing discharging model must open whole air chamber, operating difficulties, inconvenience; Strength of discharge, except being regulated by outside trial voltage, is not opened air chamber and is difficult to directly adjust from discharging model itself; High voltage step-up device needs to be obtained by outside testing transformer boosting, has in one section of direct exposure air, have certain potential safety hazard when high pressure is introduced; Device does not possess electrical pulse method office and puts measuring ability, cannot put detection carry out gauging calibration to the office of ultrahigh frequency method and supercritical ultrasonics technology.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of Simulated GlS internal discharge and detection method are provided.
The inventive method adopts multiple dissimilar discharging model, along electric discharge barrel dliameter to moving each discharging model respectively, then voltage is applied being positioned on the bus on electric discharge cylinder axis, when discharging model is positioned at electric discharge cylinder, namely this discharging model produces electric discharge, and dissimilar discharging model produces different electric discharge kinds; Adjust the distance between each discharging model and bus, the strength of discharge of this discharging model is changed; Partial discharge detector's device is utilized to detect electric discharge kind and the intensity of generation in electric discharge cylinder; Record the distance between each discharging model and bus, voltage strength, and the electric discharge kind of correspondence and the testing result of intensity; When needing in research and teaching to produce this electric discharge kind and intensity, dissimilar discharging model is adjusted to correspondence position, input corresponding voltage intensity, can realize.
The kind of described discharging model comprises point discharge, traveling electrode electric discharge, suspended discharge, particle electric discharge, gap discharge, bubble-discharge.
The described method utilizing Partial discharge detector's device to detect electric discharge kind and the intensity produced in electric discharge cylinder can adopt electric pulse detection method for local discharge, ultra high frequency PD detection method or ultrasound wave detection method for local discharge.
The inventive method is adopted only to need to adjust the distance between dissimilar discharging model and bus, the simulation of multiple discharge scenario can be realized, equipment needed thereby takes up room little, lightweight, handling safety, the simulation of effective solution GIS internal discharge kind, electric discharge type easy switching, possess the verification method of electric pulse, ultrasound wave, ultra high frequency PD detection, substantially increase the convenience of GIS electric discharge research, also reduce research cost simultaneously.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention schematic diagram.
Embodiment
As shown in Figure 1, the two ends of columnar electric discharge cylinder 1 are fixedly installed disk insulator 2-1 and 2-2 respectively, and the axis in electric discharge cylinder 1 is provided with bus 3, and bus 3 is arranged through the center of two disk insulator 2-1 and 2-2.One end of four discharging model cartridge 4 be arranged in parallel is fixedly connected with the barrel of electric discharge cylinder 1, and the other end is sealed by gland bonnet 5; Discharging model cartridge 4 communicates with electric discharge cylinder 1, and the intersect vertical axis of the axis of discharging model cartridge 4 and electric discharge cylinder 1, the seal cavity of disk insulator 2-1 and 2-2 at electric discharge cylinder 1 and two ends and discharging model cartridge 4 and gland bonnet 5 formation, as electric discharge air chamber I, is filled with the sulfur hexafluoride gas that pressure is 0.1 ~ 1.2MPa in electric discharge air chamber I.Each discharging model cartridge 4 is fixedly installed the lifting support 6 being inverted U-shaped, elevating lever 7 is threaded with lifting support 6, and discharging model 8 is fixedly connected with one end of elevating lever 7, and four discharging models 8 adopt dissimilar discharging model.Elevating lever 7 is arranged through the hermetic sealing of gland bonnet 5, is slidably matched between elevating lever 7 and gland bonnet 5, and hermetic seal.When elevating lever 7 rises to top, discharge module 8 is positioned at discharging model cartridge 4, and when bottom is down to by elevating lever 7, the head of discharge module 8 connects with bus 3.The low-pressure side connection control case 10 of transformer body 9, high-voltage output line is connected with bus 3.
Rotate elevating lever 7, elevating lever 7 drives corresponding discharging model 8 to move radially along electric discharge cylinder 1, then on bus, applies voltage by control box 10 and transformer body 9.When discharging model 8 is positioned at electric discharge cylinder 1 (namely the head of discharging model 8 exceedes the inwall of electric discharge cylinder 1 downwards), namely this discharging model 8 produces electric discharge, and the discharging model of Four types can produce different electric discharge kinds.Adjust the distance between each discharging model and bus 3, the strength of discharge of this discharging model is changed.Partial discharge detector's device is utilized to detect electric discharge kind and the intensity of generation in electric discharge cylinder 1.Record the distance between each discharging model and bus 3, voltage strength, and the electric discharge kind of correspondence and the testing result of intensity.When needing in research and teaching to produce this electric discharge kind and intensity, according to record, dissimilar discharging model is adjusted to correspondence position, input corresponding voltage intensity, can realize.
The electric discharge kind of discharging model 8 comprises point discharge, traveling electrode electric discharge, suspended discharge, particle electric discharge, gap discharge, bubble-discharge.The method utilizing Partial discharge detector's device to detect electric discharge kind and the intensity produced in electric discharge cylinder can adopt electric pulse detection method for local discharge, ultra high frequency PD detection method or ultrasound wave detection method for local discharge.
This inventive method is exclusively used in the research of GIS electric discharge, studies the difference of same voltage with Partial discharge signal under electric discharge type different under pressure, puts the relation of intensity, put the relation of intensity with pressure under voltage and office with voltage under pressure and office.When observing certain electric discharge type by Partial discharge detector's device, by regulating the distance in electric discharge air chamber between discharging model and center bus, then regulation voltage makes it discharge.Discharge signal can be put detector by the signal outlet electric pulse office of coupling capacitance air chamber and detect, and also can be detected by disk insulator with ultrahigh frequency partial discharge detector, detects on electric discharge air chamber metal shell with ultrasonic partial discharge detector.In this process, the electric discharge change under the different voltage of observable, the electric discharge change under different arcing distance.Can multiple discharging model and center conductor be regulated as required to come close to or in contact with simultaneously, simulate the complex situations of multiple electric discharge.As: when needing the waveform of point discharge, point discharge model can be adjusted to and center conductor correct position, then boost, just can put in office typical collection of illustrative plates detector being seen point discharge.
Claims (3)
1. Simulated GlS internal discharge and a detection method, is characterized in that: the two ends of the electric discharge cylinder that the method adopts are fixedly installed disk insulator respectively, and the axis in electric discharge cylinder is provided with bus, and bus is arranged through the center of two disk insulators; Multiple discharging model cartridge is fixedly installed on the sidewall of electric discharge cylinder, and the axis of discharging model cartridge communicates with electric discharge cylinder with the intersect vertical axis of electric discharge cylinder, discharging model cartridge; Each discharging model cartridge is fixedly installed lifting support, elevating lever is threaded with lifting support, multiple dissimilar discharging model is fixedly connected with one end of each self-corresponding elevating lever, when elevating lever rises to top, discharging model is positioned at corresponding discharging model cartridge, when bottom is down to by elevating lever, the head of discharging model connects with bus;
The method adopts multiple dissimilar discharging model, along electric discharge barrel dliameter to moving each discharging model respectively, then voltage is applied being positioned on the bus on electric discharge cylinder axis, when discharging model is positioned at electric discharge cylinder, namely this discharging model produces electric discharge, and dissimilar discharging model produces different electric discharge kinds; Adjust the distance between each discharging model and bus, the strength of discharge of this discharging model is changed; Partial discharge detector's device is utilized to detect electric discharge kind and the intensity of generation in electric discharge cylinder; Record the distance between each discharging model and bus, voltage strength, and the electric discharge kind of correspondence and the testing result of intensity; When needing in research and teaching to produce this electric discharge kind and intensity, dissimilar discharging model is adjusted to correspondence position, input corresponding voltage intensity, can realize.
2. a kind of Simulated GlS internal discharge as claimed in claim 1 and detection method, is characterized in that: the kind of described discharging model comprises point discharge, traveling electrode electric discharge, suspended discharge, particle electric discharge, gap discharge, bubble-discharge.
3. a kind of Simulated GlS internal discharge as claimed in claim 1 and detection method, is characterized in that: the described method utilizing Partial discharge detector's device to detect electric discharge kind and the intensity produced in electric discharge cylinder can adopt electric pulse detection method for local discharge, ultra high frequency PD detection method or ultrasound wave detection method for local discharge.
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| CN201210191810.0A CN102692587B (en) | 2012-06-12 | 2012-06-12 | Method for simulating and detecting discharging inside GIS (gas insulated switchgear) |
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| CN102692587B true CN102692587B (en) | 2015-07-15 |
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| CN103197212B (en) * | 2013-03-29 | 2015-09-02 | 国家电网公司 | GIS partial discharge on-line monitoring tester and configuration verification method thereof |
| CN104215888A (en) * | 2014-09-03 | 2014-12-17 | 广州供电局有限公司 | GIS (gas insulated switchgear) defect simulator |
| CN106324444B (en) * | 2015-06-23 | 2020-07-24 | 中国电力科学研究院 | Transformer test platform |
| CN108375721A (en) * | 2018-02-07 | 2018-08-07 | 国网上海市电力公司 | A kind of GIS interior insulators air blister defect model |
| CN110346698A (en) * | 2019-07-12 | 2019-10-18 | 国网上海市电力公司 | A kind of transformer composite local discharge source simulator |
| CN110346697A (en) * | 2019-07-12 | 2019-10-18 | 国网上海市电力公司 | A kind of GIS composite local discharge source simulator |
| CN112986763B (en) * | 2021-02-19 | 2022-06-14 | 国家电网公司华中分部 | Experimental device for research GIS discharge position detects influence to decomposed gas |
| CN113419145A (en) * | 2021-06-18 | 2021-09-21 | 国网宁夏电力有限公司培训中心 | Real GIS three-station switch air gap discharge simulation test system device and method |
| CN113533921B (en) * | 2021-09-15 | 2021-12-17 | 北京普源瑞新仿真科技有限公司 | Partial discharge detection method and partial discharge detection device |
| CN117538712B (en) * | 2024-01-09 | 2024-03-29 | 保定天威新域科技发展有限公司 | Discharge type and position switching device and discharge model |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673762A (en) * | 2005-04-26 | 2005-09-28 | 重庆大学 | Gasinsulation combined electric device local discharge analog experimental apparatus and experimental method |
| CN201965199U (en) * | 2010-12-27 | 2011-09-07 | 湖北省电力试验研究院 | Experiment device for local discharge simulation experiment research of gas insulated switchgear (GIS) |
| CN101900782B (en) * | 2010-07-01 | 2011-12-28 | 思源电气股份有限公司 | Testing system of gas insulated combined electric appliance equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001194411A (en) * | 1999-11-04 | 2001-07-19 | Mitsubishi Electric Corp | Apparatus for detecting partial discharge of gas insulated switchgear |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673762A (en) * | 2005-04-26 | 2005-09-28 | 重庆大学 | Gasinsulation combined electric device local discharge analog experimental apparatus and experimental method |
| CN101900782B (en) * | 2010-07-01 | 2011-12-28 | 思源电气股份有限公司 | Testing system of gas insulated combined electric appliance equipment |
| CN201965199U (en) * | 2010-12-27 | 2011-09-07 | 湖北省电力试验研究院 | Experiment device for local discharge simulation experiment research of gas insulated switchgear (GIS) |
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