CN103245894A - Quick impulse voltage site GIS testing device - Google Patents
Quick impulse voltage site GIS testing device Download PDFInfo
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- CN103245894A CN103245894A CN2013101153476A CN201310115347A CN103245894A CN 103245894 A CN103245894 A CN 103245894A CN 2013101153476 A CN2013101153476 A CN 2013101153476A CN 201310115347 A CN201310115347 A CN 201310115347A CN 103245894 A CN103245894 A CN 103245894A
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Abstract
A quick impulse voltage site GIS testing device adopts a small portable quick impulse voltage generator consisting of an oil-immersion type impulse voltage generator, a middle accumulation energy peaking oil line, supporting insulators and a sharpening space, wherein one end of the testing device is connected with the quick impulse voltage generator and the other end of the testing device is connected with site GIS equipment through an axial impedance-variable transmission line.
Description
Technical field
The invention belongs to the on-the-spot GIS of fast pulse voltage and detect the generating means technical field of structures.
Technical background
In the prior art, compare lightning wave, fast pulse voltage is more responsive to detecting the GIS inherent vice.When the insulation characterisitic of carrying out equipment etc. at the scene detects, normal lightning impulse or the oscillation mode surge voltage of adopting, but when adopting lightning impulse test, the lightning wave wave head often occurs and exceed critical field, and thunder and lightning produces problems such as efficient is very low, and the site test installation workload is very big, has limited the employing of testing on-site impact; And adopting the oscillation mode impulse voltage test, the great problem of work on the spot amount equally also appears.
Traditional fast transient overvoltage generating apparatus and the key distinction of the present invention are: 1) conventional apparatus adopts the mode of airborne impulse voltage generator+pole line+sleeve pipe+GIS bus to constitute, the loop complexity, structure is huge, the equipment manufacturing cost height, output fast transient overvoltage waveform rising edge is steep inadequately, can not meet the demands.2) the conventional apparatus size is too huge, can not conveniently be transported to device context and carry out withstand voltage test, and device part is in the air, is subjected to surrounding environment influence bigger, easily breaks down.
In the prior art, fast pulse through built on stilts bus, carries out peaking by the peaking gap to described surge voltage after producing and adopting common impulse voltage generator output usually then, obtains required fast pulse voltage.But this fast pulse voltage generation circuit is bulky, and the inconvenience transportation is difficult for carrying out at the scene the test of GIS insulation characterisitic; Simultaneously, this generating means loop is huge, and stray inductance is big, and the surge voltage forward position of generation is more slow, can not satisfy the requirement that on-the-spot GIS insulation characterisitic detects.
Summary of the invention
Purpose of the present invention provides a kind of at large scale SF among the on-the-spot GIS for the weak point that overcomes above-mentioned prior art existence just
6Gap and super, extra-high voltage disc insulator insulation characterisitic test, the fast pulse voltage generation circuit of provide a kind of totally-enclosed, compact, being convenient to transport, and cooperate hydraulic lifting flat-bed trailer and impedance adapter, can carry out that on-the-spot GIS butt joint is tested, is connected with composite bushing, lightning arrester is tested etc.
The objective of the invention is to realize by following technical solution.
The on-the-spot GIS test unit of a kind of fast pulse voltage, the portable fast pulse voltage generator of miniaturization that the present invention adopts oil immersed type impulse voltage generator, intermediate energy storage peaking oil line, supporting insulator, sharpening gap to form, by coaxial impedance transmission line, one end connects the fast pulse voltage generator, and an end connects on-the-spot GIS equipment.
The present invention also comprises the form by conversion impedance adapter, cooperates the hydraulic lifting flat-bed trailer, realizes that the on-the-spot GIS of differing heights connects.
The present invention regulates the wave front resistance of oil immersed type impulse voltage generator according to the wave head time of the fast pulse voltage of the length of the tested GIS bus in scene and requirement, requires the wave head time less than the electrical length of GIS bus.
Describe technical solution of the present invention in detail:
The present invention adopts the structure of 2 MV oil immersed type impulse voltage generators+10 Ω intermediate energy storage oil line+impedance, 91 Ω GIS bus section, busbar sections+peaking gap+GIS connection bus+impedance transmission line+on-the-spot GIS to realize, the voltage magnitude of the fast pulse voltage that produces at this moment, can reach 2 MV.
Wherein, oil immersed type impulse voltage generator 1 is connected with an end in sharpening gap through intermediate energy storage oil line, and the other end in sharpening gap can pass through the impedance transmission line, cooperates the hydraulic lifting flat-bed trailer to dock with on-the-spot GIS.
Wherein, also comprise:
The end of first end in described sharpening gap and second end and impedance transmission line is connected with supporting insulator 3 respectively; Adjacent supporting insulator cooperatively interacts, and the confined space that described shell is formed is divided into two separate confined spaces.
Be added with SF in the confined space of described sharpening gap correspondence
6Gas; The confined space of described sharpening gap correspondence is: the corresponding confined spaces that form of two disc insulators that are connected on first end in sharpening gap and second end.
Also comprise: sharpening gap adjustment unit, wherein,
Sharpening gap adjustment unit is used for adjusting sharpening clearance distance and corresponding confined space SF
6The pressure of gas, in order to regulate the voltage breakdown in sharpening gap and puncture constantly, and then shake appears in the steep-front surge voltage during limit switch action, reduces the dispersiveness of sharpening gap breakdown, make that the steep-front surge voltage waveform of sharpening gap output is more stable, sharpen effect is better.
The invention has the beneficial effects as follows:
Compact conformation of the present invention, device volume is little, is convenient to device and is transported to the scene and tests, and cooperates the impedance adapter of various ways, convenient GIS site test.The unnecessary dismounting of full-closed structure assurance device and assembling are subjected to surrounding environment influence little, have improved the device reliability of operation.
Description of drawings
Fig. 1 passes through impedance adapter and GIS body connection diagram for the on-the-spot GIS test unit of fast pulse voltage of the present invention;
Fig. 2 is that the on-the-spot GIS test unit of fast pulse voltage of the present invention is by composite bushing and GIS sleeve pipe connection diagram;
Fig. 3 passes through impedance adapter and lightning arrester chamber connection diagram for the on-the-spot GIS test unit of fast pulse voltage of the present invention.
Among the figure: 1-oil immersed type impulse voltage generator; 2-intermediate energy storage peaking oil line; The 3-supporting insulator; 4-sharpening gap; 5-impedance adapter; 6-hydraulic lifting flat-bed trailer; 7-220 kV GIS body; The 8-composite bushing; 9-sleeve pipe connecting line; 10-lightning arrester chamber.
Embodiment
See Fig. 1, Fig. 2, shown in Figure 3.The on-the-spot GIS test unit of a kind of fast pulse voltage, the portable fast pulse voltage generator of miniaturization that the present invention adopts oil immersed type impulse voltage generator 1, intermediate energy storage peaking oil line 2, supporting insulator 3, sharpening gap 4 to form, by coaxial impedance transmission line 5, one end connects the fast pulse voltage generator, and an end connects on-the-spot GIS equipment.
The present invention also comprises the form by conversion impedance adapter 5, cooperates hydraulic lifting flat-bed trailer 6, realizes that the on-the-spot GIS of differing heights connects.
The present invention regulates the wave front resistance of oil immersed type impulse voltage generator 1 according to the wave head time of the fast pulse voltage of the length of the tested GIS bus in scene and requirement, requires the wave head time less than the electrical length of GIS bus.
Oil immersed type impulse voltage generator 1 is connected with an end in sharpening gap 4 through intermediate energy storage oil line 2; The other end in sharpening gap 4 docks with on-the-spot GIS through impedance transmission line 5, is used for output fast pulse voltage.
In actual applications, the output terminal in peaking gap 4 generally also can be connected by equipment such as composite bushing 8 and GIS, and can carry out coherent detection to lightning arrester and test.
And the described fast pulse voltage generator element volume of the embodiment of the invention is little, is convenient to transportation, can make things convenient for and carry out different tests at the scene, for example 1000 kV GIS insulators, 500 kV GIS insulators, SF
6As long as the test in gap etc. is the wave impedance of the impedance transmission line section of corresponding this device of change.
When the detection of GIS device insulation characterisitic is carried out at the scene, the fast pulse voltage generation circuit can be docked with on-the-spot GIS.Regulate the output voltage of fast pulse voltage generator to the rated impulse withstand voltage of GIS device.
For the explanation that gives an actual example of the fast pulse voltage generator element of the embodiment of the invention:
In actual applications, fast pulse voltage generator element shown in Figure 1 can be used: the structure of 2 MV oil immersed type impulse voltage generators+10 Ω intermediate energy storage oil line+impedance, 91 Ω GIS bus section, busbar sections+peaking gap+impedance transmission line+on-the-spot GIS realizes, the voltage magnitude of the fast pulse voltage that produces at this moment, can reach 2 MV.
In actual applications, the height of on-the-spot GIS bus may be different.Dock the height of the form of convertible adapter and adjusting hydraulic lifting flat-bed trailer for what realize fast pulse voltage generation circuit and on-the-spot GIS bus.According to the wave head time of the fast pulse voltage of the length of the tested GIS bus in scene and requirement, regulate the wave front resistance of oil immersed type impulse voltage generator 1, require the wave head time less than the electrical length of GIS bus.
Claims (3)
1. the on-the-spot GIS test unit of a fast pulse voltage, it is characterized in that, the portable fast pulse voltage generator of miniaturization that adopts oil immersed type impulse voltage generator (1), intermediate energy storage peaking oil line (2), supporting insulator (3), sharpening gap (4) to form, by coaxial impedance transmission line (5), one end connects the fast pulse voltage generator, and an end connects on-the-spot GIS equipment.
2. according to the on-the-spot GIS test unit of the described a kind of fast pulse voltage of claim 1, also comprise the form by conversion impedance adapter (5), cooperate hydraulic lifting flat-bed trailer (6), realize that the on-the-spot GIS of differing heights connects.
3. according to the on-the-spot GIS test unit of the described a kind of fast pulse voltage of claim 1, it is characterized in that, according to the wave head time of the fast pulse voltage of the length of the tested GIS bus in scene and requirement, regulate the wave front resistance of oil immersed type impulse voltage generator (1), require the wave head time less than the electrical length of GIS bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101153476A CN103245894A (en) | 2013-04-03 | 2013-04-03 | Quick impulse voltage site GIS testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101153476A CN103245894A (en) | 2013-04-03 | 2013-04-03 | Quick impulse voltage site GIS testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543316A (en) * | 2013-09-29 | 2014-01-29 | 国家电网公司 | Measurement system and method for transient voltage in transformer windings |
| CN103823167A (en) * | 2014-03-14 | 2014-05-28 | 云南电力试验研究院（集团）有限公司电力研究院 | 2MV portable fast-front-edge compact type site-impact testing device for power and control method thereof |
| CN103837805A (en) * | 2014-03-14 | 2014-06-04 | 云南电力试验研究院（集团）有限公司电力研究院 | GIS thunder voltage resisting testing device used on site |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101282331A (en) * | 2008-05-09 | 2008-10-08 | 西安交通大学 | Method for recognizing P2P network flow based on transport layer characteristics |
| CN102005963A (en) * | 2010-10-26 | 2011-04-06 | 西安交通大学 | Sharpening gap device |
| CN102136831A (en) * | 2011-01-14 | 2011-07-27 | 西北核技术研究所 | High-voltage repetition-frequency pulse generator |
| CN102445643A (en) * | 2011-09-30 | 2012-05-09 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN102508763A (en) * | 2011-10-11 | 2012-06-20 | 工业和信息化部计算机与微电子发展研究中心（中国软件评测中心） | Performance test system of GIS (Geographic Information System) platform |
| CN102931954A (en) * | 2012-10-22 | 2013-02-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Steep front pulse peaking and front reshaping device |
| CN203149077U (en) * | 2013-04-03 | 2013-08-21 | 云南电力试验研究院（集团）有限公司电力研究院 | Field GIS (geographic information system) test device for fast pulse voltage |
-
2013
- 2013-04-03 CN CN2013101153476A patent/CN103245894A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101282331A (en) * | 2008-05-09 | 2008-10-08 | 西安交通大学 | Method for recognizing P2P network flow based on transport layer characteristics |
| CN102005963A (en) * | 2010-10-26 | 2011-04-06 | 西安交通大学 | Sharpening gap device |
| CN102136831A (en) * | 2011-01-14 | 2011-07-27 | 西北核技术研究所 | High-voltage repetition-frequency pulse generator |
| CN102445643A (en) * | 2011-09-30 | 2012-05-09 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN102508763A (en) * | 2011-10-11 | 2012-06-20 | 工业和信息化部计算机与微电子发展研究中心（中国软件评测中心） | Performance test system of GIS (Geographic Information System) platform |
| CN102931954A (en) * | 2012-10-22 | 2013-02-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Steep front pulse peaking and front reshaping device |
| CN203149077U (en) * | 2013-04-03 | 2013-08-21 | 云南电力试验研究院（集团）有限公司电力研究院 | Field GIS (geographic information system) test device for fast pulse voltage |
Non-Patent Citations (1)
| Title |
|---|
| 邹晓兵 等: "纳秒级高压快脉冲发生器的研制", 《高电压技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543316A (en) * | 2013-09-29 | 2014-01-29 | 国家电网公司 | Measurement system and method for transient voltage in transformer windings |
| CN103543316B (en) * | 2013-09-29 | 2015-12-09 | 国家电网公司 | The transient voltage measuring system of Transformer Winding and method |
| CN103823167A (en) * | 2014-03-14 | 2014-05-28 | 云南电力试验研究院（集团）有限公司电力研究院 | 2MV portable fast-front-edge compact type site-impact testing device for power and control method thereof |
| CN103837805A (en) * | 2014-03-14 | 2014-06-04 | 云南电力试验研究院（集团）有限公司电力研究院 | GIS thunder voltage resisting testing device used on site |
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Application publication date: 20130814 |