CN103901309B - 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods - Google Patents
220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods Download PDFInfo
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- CN103901309B CN103901309B CN201410176766.5A CN201410176766A CN103901309B CN 103901309 B CN103901309 B CN 103901309B CN 201410176766 A CN201410176766 A CN 201410176766A CN 103901309 B CN103901309 B CN 103901309B
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- arrester
- lower section
- high voltage
- microammeter
- servicing unit
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229960001296 zinc oxide Drugs 0.000 title claims abstract description 15
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 15
- 238000010998 test method Methods 0.000 title abstract description 5
- 238000012360 testing method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 9
- 230000034994 death Effects 0.000 abstract description 2
- 231100000517 death Toxicity 0.000 abstract description 2
- 238000009666 routine test Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Thermistors And Varistors (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to a kind of 220kV Zinc-Oxide Arresters non-dismantle high voltages fuse experimental rig test method.The traditional 220kV and arrester line of above is higher and high-voltage connection is thick, each routine test, which is taken out stitches, is required for lift truck, it is big that workload when experiment is taken out stitches so is carried out every time, time-consuming, also increase dangerous spot simultaneously, in the presence of falling from high altitude hidden danger occurs, the injures and deaths of staff are caused.220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rigs, its composition include：DC generator（1）, high voltage microammeter（2）, control box（7）, shielding line（6）, servicing unit（5）, described upper section arrester（3）Upper end is grounded, described control box is connected with DC generator, described DC generator is connected with high voltage microammeter, described high voltage microammeter is connected by the junction among shielding line and upper section arrester and lower section arrester 4, and described lower section arrester is grounded after being connected by shielding line with servicing unit.The present invention is applied to 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rigs.
Description
Technical field：
The present invention relates to a kind of 220kV Zinc-Oxide Arresters non-dismantle high voltages fuse experimental rig test method.
Background technology：
At present, known 220kV zinc oxide arrester tests device, which carries out testing needs, ascends a height and disconnects a high-voltage connection,
Change test connection during experiment, the arrester line of 220kV and above is higher and high-voltage connection is thick, each example
Row experiment, which is taken out stitches, is required for lift truck, so carries out having workload big when experiment is taken out stitches every time, and time-consuming, while also easily sends out
, unsafe factor be present, cause the injures and deaths of staff in raw falling from high altitude.In order to solve the problems, such as that appeal urgent need is a kind of new
The experimental rig of type occurs.
The content of the invention：
It is an object of the invention to provide 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods.
Above-mentioned purpose is realized by following technical scheme：
A kind of 220kV Zinc-Oxide Arresters non-dismantle high voltages fuse experimental rig, its composition include：DC generator, high pressure
Microampere meter, control box, shielding line, servicing unit, described upper section arrester upper end ground connection, described control box occur with direct current
Device is connected, and described DC generator is connected with high voltage microammeter, and described high voltage microammeter is lightning-arrest by shielding line and upper section
Device is connected with the junction among lower section arrester, and described lower section arrester is connected by shielding line with servicing unit to be followed by
Ground.
Described 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rigs, described servicing unit include high resistant, height
Microampere meter, described high resistant, high voltage microammeter series connection are pressed, described high resistant is simultaneously connected with switch K1, described high voltage microammeter
And it is connected with switch K2.
The method tested using apparatus above, this method are comprised the following steps：
（1）Arrester high-voltage connection need not be removed when being tested, is grounded being saved on arrester, lower section arrester passes through
High resistance ground, apply high direct voltage between upper and lower section, can only use one by way of by lower section high resistant access and short circuit
Kind test connection, respectively measurement save arrester up and down.
（2）When saving arrester in measurement, the device where lower section arrester and high resistant is connected, at short switch K1, K2
In off-state, therefore lower section insulaion resistance is very high, and leakage current is small, and the difference of high voltage microammeter and lower section microampere meter reading is upper
The leakage current values of section, measure the DC voltage value under 1mA.
（3）Under measurement during section arrester, test connection can not be changed, only by the short switch of high resistant in lower section servicing unit
K1 is closed, and lower section arrester is only grounded through microampere meter, and leakage current reads the microampere meter numerical value of servicing unit.
Beneficial effects of the present invention：
1. the present invention is the once change of equipment test device, it changes traditional experiment theory, the auxiliary examination of research and development
It experiment device, efficiently, accurately can complete to test, greatly reduce equipment power off time, while high-voltage connection need not be removed
Also workload is reduced for field test personnel, avoids falling from high altitude, operating efficiency increases severely.
2. the present invention carries out the auxiliary equipment combined by high voltage microammeter, high resistant, short switch bold application,
It is technological means leading at present, 220kV Zinc-Oxide Arresters is tested, experiment need not be changed during experiment and connect
Line, data are accurately and credible, and it has for raising power supply reliability, reduction operating risk significantly acts on, and creation can not be estimated
The economic benefit and social benefit of amount.
Brief description of the drawings：
Accompanying drawing 1 is the structural representation of invention.
Accompanying drawing 2 is the structural representation of the middle auxiliary device of accompanying drawing 1.
Embodiment：
Embodiment 1：
A kind of 220kV Zinc-Oxide Arresters non-dismantle high voltages fuse experimental rig, its composition include：DC generator, high pressure
Microampere meter, control box, shielding line, servicing unit, described upper section arrester upper end ground connection, described control box occur with direct current
Device is connected, and described DC generator is connected with high voltage microammeter, and described high voltage microammeter is lightning-arrest by shielding line and upper section
Device is connected with the junction among lower section arrester, and described lower section arrester is connected by shielding line with servicing unit to be followed by
Ground.
Embodiment 2：
220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rigs according to embodiment 1, described servicing unit
Including high resistant, high voltage microammeter, described high resistant, high voltage microammeter series connection, described high resistant and be connected with switch K1, it is described
High voltage microammeter is simultaneously connected with switch K2.
Embodiment 3：
A kind of experiment side of 220kV Zinc-Oxide Arresters non-dismantle high voltages fuse experimental rig according to embodiment 1 or 2
Method, this method comprise the following steps：
（1）Arrester high-voltage connection need not be removed when being tested, is grounded being saved on arrester, lower section arrester passes through
High resistance ground, apply high direct voltage between upper and lower section, can only use one by way of by lower section high resistant access and short circuit
Kind test connection, respectively measurement save arrester up and down.
（2）When saving arrester in measurement, the device where lower section arrester and high resistant is connected, at short switch K1, K2
In off-state, therefore lower section insulaion resistance is very high, and leakage current is small, and the difference of high voltage microammeter and lower section microampere meter reading is upper
The leakage current values of section, measure the DC voltage value under 1mA.
（3）Under measurement during section arrester, test connection can not be changed, only by the short switch of high resistant in lower section servicing unit
K1 is closed, and lower section arrester is only grounded through microampere meter, and leakage current reads the microampere meter numerical value of servicing unit.
Claims (1)
1. a kind of method tested using 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rigs, the device group
Into including：DC generator, high voltage microammeter, control box, shielding line, servicing unit, it is characterized in that：Terminated on upper section arrester
Ground, described control box are connected with DC generator, and described DC generator is connected with high voltage microammeter, and described high pressure is micro-
Pacify table to connect by the junction among shielding line and upper section arrester and lower section arrester, described lower section arrester passes through screen
Cover after line is connected with servicing unit and be grounded；
Described servicing unit includes high resistant, lower section high voltage microammeter, and described high resistant, lower section high voltage microammeter series connection are described
High resistant and be connected with switch K1, described lower section high voltage microammeter simultaneously be connected with switch K2；
This method comprises the following steps：
（1）Arrester high-voltage connection need not be removed when being tested, by upper section arrester ground, lower section arrester passes through high resistant
Ground connection, apply high direct voltage between section arrester up and down, can be by way of by high resistant access and short circuit, only using a kind of
Test connection, respectively measurement save arrester up and down；
（2）When saving arrester in measurement, the device series connection where lower section arrester and high resistant, short switch K1, K2 are in
Off-state, therefore lower section lightning arrester insulation resistance is very high, leakage current is small, high voltage microammeter and lower section high voltage microammeter reading
Difference for it is upper section arrester leakage current values, measure 1mA under DC voltage value；
（3）Under measurement during section arrester, test connection can not be changed, only close the short switch K1 of high resistant in servicing unit,
For lower section arrester only through lower section high voltage microammeter ground connection, the lower section high voltage microammeter numerical value for reading servicing unit obtains leakage electricity
Stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176766.5A CN103901309B (en) | 2014-04-29 | 2014-04-29 | 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176766.5A CN103901309B (en) | 2014-04-29 | 2014-04-29 | 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods |
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| Publication Number | Publication Date |
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| CN103901309A CN103901309A (en) | 2014-07-02 |
| CN103901309B true CN103901309B (en) | 2017-12-08 |
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| CN201410176766.5A Expired - Fee Related CN103901309B (en) | 2014-04-29 | 2014-04-29 | 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267260A (en) * | 2014-10-20 | 2015-01-07 | 国家电网公司 | 110 kV combined type zinc oxide lightning arrester preventive test method without dismantling high voltage lead |
| CN105137165B (en) * | 2015-09-02 | 2018-09-25 | 国家电网公司 | A kind of experimental rig that high-acruracy survey can be carried out to test product leakage current |
| CN106501584A (en) * | 2016-12-07 | 2017-03-15 | 国家电网公司 | Leakage Current of Zinc-oxide Lightning Arresters measuring method |
| CN107037297A (en) * | 2017-06-15 | 2017-08-11 | 国网辽宁省电力有限公司锦州供电公司 | 220kV arresters exempt to tear the intelligent test method of high-voltage connection open |
| CN107727974B (en) * | 2017-11-09 | 2023-12-29 | 广西电网有限责任公司钦州供电局 | Lightning arrester test device and method based on volt-ampere characteristic deviation |
| CN108279324A (en) * | 2018-04-26 | 2018-07-13 | 广东电网有限责任公司 | A kind of test of lightning arrester auxiliary device and method |
| CN109116060A (en) * | 2018-09-06 | 2019-01-01 | 贵州电网有限责任公司 | A kind of distribution Zinc-Oxide Arrester examination device |
| CN110108923A (en) * | 2019-05-29 | 2019-08-09 | 国网青海省电力公司检修公司 | The test method of high-voltage connection measurement Zinc-Oxide Arrester direct current leakage is not removed |
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| CN101592701A (en) * | 2009-07-03 | 2009-12-02 | 江苏省电力公司常州供电公司 | Direct-current voltage withstanding test method for multilevel zinc oxide lightning arresters |
| CN102023249A (en) * | 2009-09-17 | 2011-04-20 | 上海市电力公司超高压输变电公司 | Method for performing preventive test without detaching high-voltage lead of 220-kV zinc oxide arrestor |
| CN102520230A (en) * | 2011-12-15 | 2012-06-27 | 山东电力集团公司菏泽供电公司 | Zinc oxide lightning arrester operation state detection method |
| CN102901894A (en) * | 2012-09-29 | 2013-01-30 | 辽宁省电力有限公司检修分公司 | Test method and device for testing 500kV zinc oxide arrester |
| CN203786232U (en) * | 2014-04-29 | 2014-08-20 | 国家电网公司 | 220kV zinc oxide arrester testing apparatus preventing high-voltage lead disassembly |
-
2014
- 2014-04-29 CN CN201410176766.5A patent/CN103901309B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592701A (en) * | 2009-07-03 | 2009-12-02 | 江苏省电力公司常州供电公司 | Direct-current voltage withstanding test method for multilevel zinc oxide lightning arresters |
| CN102023249A (en) * | 2009-09-17 | 2011-04-20 | 上海市电力公司超高压输变电公司 | Method for performing preventive test without detaching high-voltage lead of 220-kV zinc oxide arrestor |
| CN102520230A (en) * | 2011-12-15 | 2012-06-27 | 山东电力集团公司菏泽供电公司 | Zinc oxide lightning arrester operation state detection method |
| CN102901894A (en) * | 2012-09-29 | 2013-01-30 | 辽宁省电力有限公司检修分公司 | Test method and device for testing 500kV zinc oxide arrester |
| CN203786232U (en) * | 2014-04-29 | 2014-08-20 | 国家电网公司 | 220kV zinc oxide arrester testing apparatus preventing high-voltage lead disassembly |
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