CN103760478A - High-repeatability standard creeping discharge model device - Google Patents
High-repeatability standard creeping discharge model device Download PDFInfo
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- CN103760478A CN103760478A CN201410006479.XA CN201410006479A CN103760478A CN 103760478 A CN103760478 A CN 103760478A CN 201410006479 A CN201410006479 A CN 201410006479A CN 103760478 A CN103760478 A CN 103760478A
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Abstract
A high-repeatability standard creeping discharge model device is characterized by comprising an organic glass round tube (5), the upper end and the lower end of the round tube (5) are sealed through an upper end cover (4) and a lower end cover (9) respectively, ventilation holes (2) are formed in the periphery of the upper end cover (4), a high-voltage electrode (3) is connected with the middle of the upper end cover (4) through threads, a tungsten needle (6) is arranged below the high-voltage electrode, a grounding electrode (8) is arranged in the middle of the lower end cover, a crystal ball (7) adheres to the grounding electrode with sealing glue, and a discharge gap is reserved between the tungsten needle and the crystal ball. Practical tests show that the discharge model device is small in discharge capacity, stable in discharge and good in repeatability.
Description
Technical field
The present invention relates to the gas discharge device in a kind of high-voltage insulation technique field.
Background technology
GIS partial-discharge ultrahigh-frequency on-line monitoring system need to be according to the various electric discharge type development in GIS inside standard discharging model, the particularly demarcation of on-the-spot on-line monitoring system, an amplitude stability, and the standard discharge source that emissive power is constant is indispensable device.The problems such as existing creeping discharge modelling is more coarse, there is no unified technical standard, and exists discharge capacity larger, discharges stable not, and repeatability is bad.
Summary of the invention
Technical matters to be solved by this invention, is just to provide a kind of high duplication standard creeping discharge model equipment.
Solve the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of high duplication standard creeping discharge model equipment, it is characterized in that: comprise an organic glass pipe 5, pipe Shang Xia 5 two ends use respectively, bottom end cover 4,9 sealing, upper end cover 4 upper peripheries have air hole 2, middle for the high-field electrode 3 that has been threaded, the below of high-field electrode is tungsten pin 4; In the middle of bottom end cover, be provided with earthing pole, above earthing pole, with encapsulating, be bonded with crystal ball; Between tungsten pin and crystal ball, leave discharging gap.
Described upper and lower end cap 4,9 use screws 1 are fixed on pipe wall.
Beneficial effect: it is prototype that this model equipment be take the defect fault of actual field, adopts pin-spherical structure, and material adopts respectively tungsten pin and crystal ball, has a small unsettled setting (not contacting between pin, ball) between same hour hands-ball.The innovative point of this scheme is: pin-spherical structure trigger position that makes to discharge is fixed, and retains the development that slight void contributes to electric discharge between pin and ball, and creeping discharge is more easily occurred; Use tungsten pin and crystal ball to guarantee that the damaged condition of electrode and dielectric surface is very low, realized to greatest extent the repeatability of electric discharge; Simultaneously ball shape structure makes can alive dynamic range very greatly, and discharge capacity is very little and be difficult for puncturing.
Actual measurement shows that this creeping discharge model discharge capacity is little, discharge stability, favorable repeatability.
Accompanying drawing explanation
Fig. 1 is composition structure cross-sectional schematic of the present invention;
The voltage and current waveform that Fig. 2 measures while being power-frequency discharge of the present invention;
The PRPD figure that Fig. 3 is the electric discharge that adopts pulse current method and record;
Fig. 4 is voltage-electric charge curve of testing and draw with PD meter.
In figure: 1-screw, 2-air hole, 3-high-field electrode, 4-upper end cover, 5-pipe, 6-tungsten pin, 7-crystal ball, 8-earthing pole, 9-bottom end cover.
Embodiment
Referring to accompanying drawing, high duplication standard creeping discharge model equipment embodiment of the present invention, comprises an organic glass pipe 5, and Shang Xia 5, two ends are respectively with organic glass upper end cover, bottom end cover 4,9 sealings for pipe, and upper and lower end cap 4,9 use screws 1 are fixed on pipe wall; Upper end cover 4 upper peripheries have air hole 2, middle with the high-field electrode 3 that has been threaded, and the below point of high-field electrode is connected with tungsten pin 6; In the middle of bottom end cover, be provided with earthing pole 8, earthing pole 8 is bonded with crystal ball 7 with encapsulating above; Between tungsten pin and crystal ball, leave discharging gap.
Claims (2)
1. a high duplication standard creeping discharge model equipment, it is characterized in that: comprise an organic glass pipe (5), use respectively at the upper and lower two ends of pipe (5), bottom end cover (4,9) sealing, upper end cover (4) upper periphery has air hole (2), middle with the high-field electrode that has been threaded (3), and the below of high-field electrode is tungsten pin (6); In the middle of bottom end cover (9), be provided with earthing pole (8), above earthing pole, with encapsulating, be bonded with crystal ball (7); Between tungsten pin and crystal ball, leave discharging gap.
2. high duplication standard creeping discharge model equipment according to claim 1, is characterized in that: described upper end cover, bottom end cover (4,9) are fixed on pipe wall with screw (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006479.XA CN103760478A (en) | 2014-01-07 | 2014-01-07 | High-repeatability standard creeping discharge model device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410006479.XA CN103760478A (en) | 2014-01-07 | 2014-01-07 | High-repeatability standard creeping discharge model device |
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| CN103760478A true CN103760478A (en) | 2014-04-30 |
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| CN201410006479.XA Pending CN103760478A (en) | 2014-01-07 | 2014-01-07 | High-repeatability standard creeping discharge model device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330715A (en) * | 2014-11-20 | 2015-02-04 | 哈尔滨理工大学 | Adjustable discharging gap experimenting device in closed space |
| CN105606979A (en) * | 2016-03-23 | 2016-05-25 | 广州供电局有限公司 | Device for simulating and detecting local discharge of GIS (Geographic Information System) equipment |
| CN109521223A (en) * | 2018-11-21 | 2019-03-26 | 华北电力大学 | A kind of short the air gap ion wind parameter monitoring method |
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| EP0477735A1 (en) * | 1990-09-28 | 1992-04-01 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | High pressure discharge lamp |
| CN202260123U (en) * | 2011-10-06 | 2012-05-30 | 广东电网公司电力科学研究院 | Compressed air jet flow guide type discharge ignition ball electrode |
| CN202770954U (en) * | 2012-08-20 | 2013-03-06 | 广东电网公司电力科学研究院 | Test model for simulating point discharge |
| CN202794439U (en) * | 2012-08-20 | 2013-03-13 | 广东电网公司电力科学研究院 | Test model simulating surface discharge |
| CN202929928U (en) * | 2012-11-02 | 2013-05-08 | 王富民 | Tesla coil discharging demonstration instrument |
| CN103105568A (en) * | 2013-01-16 | 2013-05-15 | 重庆市电力公司电力科学研究院 | Transformer paper oil insulation experiment device integrated with electric heating combination ageing and partial discharge |
| CN203858324U (en) * | 2014-01-07 | 2014-10-01 | 广东电网公司电力科学研究院 | High-repeatability standard along surface discharge model device |
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2014
- 2014-01-07 CN CN201410006479.XA patent/CN103760478A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0477735A1 (en) * | 1990-09-28 | 1992-04-01 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | High pressure discharge lamp |
| CN202260123U (en) * | 2011-10-06 | 2012-05-30 | 广东电网公司电力科学研究院 | Compressed air jet flow guide type discharge ignition ball electrode |
| CN202770954U (en) * | 2012-08-20 | 2013-03-06 | 广东电网公司电力科学研究院 | Test model for simulating point discharge |
| CN202794439U (en) * | 2012-08-20 | 2013-03-13 | 广东电网公司电力科学研究院 | Test model simulating surface discharge |
| CN202929928U (en) * | 2012-11-02 | 2013-05-08 | 王富民 | Tesla coil discharging demonstration instrument |
| CN103105568A (en) * | 2013-01-16 | 2013-05-15 | 重庆市电力公司电力科学研究院 | Transformer paper oil insulation experiment device integrated with electric heating combination ageing and partial discharge |
| CN203858324U (en) * | 2014-01-07 | 2014-10-01 | 广东电网公司电力科学研究院 | High-repeatability standard along surface discharge model device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330715A (en) * | 2014-11-20 | 2015-02-04 | 哈尔滨理工大学 | Adjustable discharging gap experimenting device in closed space |
| CN105606979A (en) * | 2016-03-23 | 2016-05-25 | 广州供电局有限公司 | Device for simulating and detecting local discharge of GIS (Geographic Information System) equipment |
| CN109521223A (en) * | 2018-11-21 | 2019-03-26 | 华北电力大学 | A kind of short the air gap ion wind parameter monitoring method |
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Effective date of registration: 20151204 Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Applicant after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Applicant before: Electrical Power Research Institute of Guangdong Power Grid Corporation Applicant before: Huazhong University of Science and Technology |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |
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| WD01 | Invention patent application deemed withdrawn after publication |