CN103178460A - Simple transformer gas relay demounting verification method - Google Patents
Simple transformer gas relay demounting verification method Download PDFInfo
- Publication number
- CN103178460A CN103178460A CN2012105758454A CN201210575845A CN103178460A CN 103178460 A CN103178460 A CN 103178460A CN 2012105758454 A CN2012105758454 A CN 2012105758454A CN 201210575845 A CN201210575845 A CN 201210575845A CN 103178460 A CN103178460 A CN 103178460A
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- China
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- transformer
- gas relay
- side valve
- relay
- buchholz relay
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Transformer Cooling (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a simple transformer gas relay demounting verification method. The method includes following operations: 1), after a transformer is powered off and safety measures are taken, immediately closing a gas relay oil conservator side valve, simultaneously and manually turning on a transformer cooling fan and enabling the same to run for half an hour before stop, closing a gas relay transformer body side valve, then the gas relay can be demounted for verification; and 2), after the verified gas relay is mounted, opening the gas relay transformer body side valve, opening the oil conservator side valve to enable a transformer oil conservator to oil a transformer body, and simultaneously opening a vent valve of the gas relay for venting. The simple transformer gas relay demounting verification method is simple to operate, effective in implementation, time-saving and labor-saving and solves the problem that the transformer gas relay is difficult to demount for verification.
Description
Technical field
The present invention relates to a kind of method for dismounting, specifically a kind of transformer Buchholz relay Simple detachable method of calibration.
Background technology
The Buchholz relay of transformer; required every 1-3 years should check verification once according to rules; usually need to be through oil extraction when checking verification, could dismantle the Buchholz relay verification after vacuumizing; the conventional method more complicated; so a lot of transformer Buchholz relays are not all pressed normal cycle dismounting verification, shut down, have a power failure so that malfunction appears in Transformer.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of easy transformer Buchholz relay dismounting method of calibration, to solve the problem of transformer Buchholz relay dismounting verification difficulty.
The present invention solves the problems of the technologies described above with following technical scheme:
A kind of transformer Buchholz relay of the present invention Simple detachable method of calibration, its operation is as follows:
1) after transformer has a power failure and carries out safety measure, closed gas relay conservator side valve door immediately, after moving half an hour, simultaneously manually opened transformer cooling fan stops, then closed gas relay transformer body side valve door, can pull down Buchholz relay and carry out verification;
2) Buchholz relay that high-ranking officers are good is first opened Buchholz relay transformer body side valve door, then is opened conservator side valve door after installing, and installation for transformer is oil-filled to transformer body, opens simultaneously the vent valve exhaust of Buchholz relay.
Use the inventive method to carry out transformer Buchholz relay dismounting verification, implementation result is better, not only saves time but also laborsaving, has solved the problem of transformer Buchholz relay dismounting verification difficulty.
Description of drawings
Fig. 1 is the installation site schematic diagram of transformer Buchholz relay.
In figure: 1-transformer body, 2-respirator, 3-conservator side valve door, 4-conservator,
5-Buchholz relay, 6-base side valve, 7-transformer cooling fan.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, transformer Buchholz relay 5 is to be arranged between transformer body 1 and conservator 4 by pipeline, and the other end of conservator 4 connects respirator 2 by pipeline.
The inventive method is to carry out transformer Buchholz relay dismounting verification by following operation:
1) after transformer has a power failure and carries out safety measure, the conservator side valve door 3 of closed gas relay 5 immediately, after moving half an hour, simultaneously manually opened transformer cooling fan 7 stops, then the base side valve 6 of closed gas relay 5, can pull down Buchholz relay 5 and carry out verification;
2) Buchholz relay 5 that high-ranking officers are good is first opened base side valve 6, then is opened conservator side valve door 3 after changing and installing, and installation for transformer 4 is oil-filled to transformer body 1, opens simultaneously the vent valve exhaust of Buchholz relay 5.
The inventive method is to utilize the principle of transformer oil thermal expansion, cold contraction.Transformer is due to the variation of operating temperature, the transformer body oil level can rise, part oil is accumulated in conservator, after transformer Cooling, the transformer body oil level can descend, immediately just can pull down Buchholz relay 5 and carry out verification, after changing the good Buchholz relay 5 in school, partial product exists the oil in conservator to return to transformer body again.
The inventive method is simple to operate, and implementation result is better.
Claims (1)
1. a transformer Buchholz relay Simple detachable method of calibration, is characterized in that, the operation of the method is as follows:
1) after transformer has a power failure and carries out safety measure, closed gas relay conservator side valve door immediately, after moving half an hour, simultaneously manually opened transformer cooling fan stops, then closed gas relay transformer body side valve door, can pull down Buchholz relay and carry out verification;
2) Buchholz relay that high-ranking officers are good is first opened Buchholz relay transformer body side valve door, then is opened conservator side valve door after installing, and installation for transformer is oil-filled to transformer body, opens simultaneously the vent valve exhaust of Buchholz relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105758454A CN103178460A (en) | 2013-01-16 | 2013-01-16 | Simple transformer gas relay demounting verification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105758454A CN103178460A (en) | 2013-01-16 | 2013-01-16 | Simple transformer gas relay demounting verification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103178460A true CN103178460A (en) | 2013-06-26 |
Family
ID=48638150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105758454A Pending CN103178460A (en) | 2013-01-16 | 2013-01-16 | Simple transformer gas relay demounting verification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178460A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996984A (en) * | 2014-06-11 | 2014-08-20 | 云南电网公司昆明供电局 | Method for dismounting large transformer bushing without oil discharging |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714449A (en) * | 2008-10-08 | 2010-05-26 | 国网运行有限公司上海超高压管理处 | Transformer accessory replacing method |
| CN101931174A (en) * | 2010-08-19 | 2010-12-29 | 河南省电力公司郑州供电公司 | Method for realizing changing accessories of large transformer without discharging oil by utilizing oil conservator to conserve oil |
| CN202351401U (en) * | 2011-12-03 | 2012-07-25 | 国家电网公司运行分公司晋东南管理处 | Replacement communicating device for transformer gas relay testing |
-
2013
- 2013-01-16 CN CN2012105758454A patent/CN103178460A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714449A (en) * | 2008-10-08 | 2010-05-26 | 国网运行有限公司上海超高压管理处 | Transformer accessory replacing method |
| CN101931174A (en) * | 2010-08-19 | 2010-12-29 | 河南省电力公司郑州供电公司 | Method for realizing changing accessories of large transformer without discharging oil by utilizing oil conservator to conserve oil |
| CN202351401U (en) * | 2011-12-03 | 2012-07-25 | 国家电网公司运行分公司晋东南管理处 | Replacement communicating device for transformer gas relay testing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996984A (en) * | 2014-06-11 | 2014-08-20 | 云南电网公司昆明供电局 | Method for dismounting large transformer bushing without oil discharging |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130626 |