CN1719267A - Transformer cannula test device and its test method - Google Patents
Transformer cannula test device and its test method Download PDFInfo
- Publication number
- CN1719267A CN1719267A CN 200410020904 CN200410020904A CN1719267A CN 1719267 A CN1719267 A CN 1719267A CN 200410020904 CN200410020904 CN 200410020904 CN 200410020904 A CN200410020904 A CN 200410020904A CN 1719267 A CN1719267 A CN 1719267A
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- Prior art keywords
- oil
- transformer
- sleeve pipe
- test
- radome
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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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- Housings And Mounting Of Transformers (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to a transformer bushing test equipment and its testing method. Under the condition of ensuring that the transformer component (specially, transformer oil-sulphur hexafluoride bushing) is normally mounted said invention makes said test. Said invention provides the concrete steps of said testing method by utilizing oil-air bushing and shielding case, etc. It can simultaneously test oil-SF6 bushing and transformer so as to ensure product quality and safety for use.
Description
Technical field
The present invention relates to a kind of transformer, relate in particular to a kind of transformer and devices and methods therefor that oil-the sulfur hexafluoride sleeve pipe is tested.
Background technology
At present, for the transformer that uses oil-sulfur hexafluoride sleeve pipe, take the method for oil-casing air replacement oil-sulfur hexafluoride sleeve pipe during test with identical electric pressure more, though can obtain desirable test findings, but the test that oil-sulfur hexafluoride sleeve pipe can not together put to test with transformer has stayed hidden danger for quality and safety.
Summary of the invention
The objective of the invention is to provide a kind of bushing shell for transformer test unit and test method thereof for oil-sulfur hexafluoride sleeve pipe and transformer are tested simultaneously, oil-sulfur hexafluoride sleeve pipe is installed on the transformer in the time of not only can warranty test, and can obtain same test effect.
The technical scheme of bushing shell for transformer test unit of the present invention is as follows:
Guarantee under the normal mounting situation of transformer device (referring to oil-sulfur hexafluoride sleeve pipe especially), oil-sulfur hexafluoride cannula tip is electrically connected with another oil with electric pressure-casing air afterbody, two sleeve pipe junctions are provided with all presses radome, all press the outside of radome to be provided with the outside seat that raises it is entangled, seals, be used for charge of oil.Transformer oil-sulfur hexafluoride sleeve pipe bottom is installed on the high-voltage terminal rising seat.
Described oil-sulfur hexafluoride cannula tip is electrically connected with the oil-casing air afterbody of another with electric pressure by web member and lead cable, all pressures radome that two sleeve pipe junctions are provided with is copper shield and outsourcing insulation, be provided with stay on the outer wall of copper shield and outsourcing insulation, the outside of radome is provided with the outside seat that raises.
Described lead cable, copper shield and outsourcing insulation, insulating cylinder and the outside seat that raises are respectively corresponding curved shape.
Bushing shell for transformer test method of the present invention is as follows:
(1) after the transformer assembling finishes, the preceding preparation of doing experiment;
(2) in oil-sulfur hexafluoride sleeve pipe side sleeve pipe test unit of the present invention is installed, specific as follows:
1. after lead cable in oil-casing air and web member are welded, reliably be connected with all pressing radome terminal block and oil-sulfur hexafluoride cannula tip terminal block three;
2. the outside seat that raises is installed;
3. mounting sleeve and outgoing cable.
(3) oiling in the outside seat that raises of test unit is circulated to and satisfies testing requirements;
(4) test connection, high-pressure side finally are connected with power supply by oil-casing air;
(5) finish various conventional test projects by standard-required.
Beneficial effect of the present invention:
The present invention can make transformer oil-sulfur hexafluoride sleeve pipe and transformer test simultaneously, has guaranteed the quality of product and the safety of use.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the installation diagram of three-phase transformer.
Fig. 3 is a kind of insulation system figure of two sleeve pipe junctions.
Fig. 4 is the another kind of insulation system figure of two sleeve pipe junctions.
Describe the present invention in detail below in conjunction with drawings and Examples.
In Fig. 1, oil-sulfur hexafluoride sleeve pipe bottom rising seat 1, oil-sulfur hexafluoride sleeve pipe 2, radome 3, oil---casing air 4, the outside seat 5 that raises.
Fig. 2 is the installation diagram of three-phase transformer test casing, wherein, and A phase study structure 6, B phase study structure 7, C phase study structure 8, fuel tank 9.
In Fig. 3, Fig. 4, oil-sulfur hexafluoride sleeve pipe 2, copper shield and outsourcing insulation 10, stay 11, web member 12, lead cable 13, insulating cylinder 14, oil---casing air 4.
Embodiment
Embodiment 1
As shown in Figure 1, of the present invention constituting: oil-sulfur hexafluoride sleeve pipe 2 tops are electrically connected with oil-casing air 4 afterbodys of another with electric pressure, two sleeve pipe junctions are provided with and all press radome 3, the outside of radome 3 is provided with the outside seat 5 of raising it is entangled, seals, be used for charge of oil, transformer oil-sulfur hexafluoride sleeve pipe bottom is installed on the high-voltage terminal rising seat 1.
Described oil-sulfur hexafluoride sleeve pipe 2 tops are provided with terminal block, and the described radome 3 of all pressing is provided with terminal block.
As shown in Figure 3, be a kind of insulation system figure of two sleeve pipe junctions, oil-sulfur hexafluoride
Embodiment 3
As shown in Figure 4, be the another kind of insulation system figure of two sleeve pipe junctions, for satisfying the installation requirement of three-phase transformer test casing, its concrete connected mode is substantially the same manner as Example 2, and difference is that lead cable 13, copper shield and outsourcing insulation 10, insulating cylinder 14 are respectively corresponding curved shape.
Bushing shell for transformer test method of the present invention is as follows:
(1) after the transformer assembling finishes, the preceding preparation of doing experiment;
(2) in oil-sulfur hexafluoride sleeve pipe side sleeve pipe test unit of the present invention is installed, specific as follows:
1. after lead cable in oil-casing air and web member are welded, reliably be connected with all pressing radome terminal block and oil-sulfur hexafluoride cannula tip terminal block three;
2. the outside seat that raises is installed;
3. mounting sleeve and outgoing cable.
(3) oiling in the outside seat that raises of test unit is circulated to and satisfies testing requirements;
(4) test connection, high-pressure side finally are connected with power supply by oil-casing air;
(5) finish various conventional test projects by standard-required.
Claims (4)
1, a kind of bushing shell for transformer test unit, it is characterized in that oil-sulfur hexafluoride cannula tip is electrically connected with the oil-casing air afterbody of another with electric pressure, two sleeve pipe junctions are provided with all presses radome, all pressing the outside of radome to be provided with the outside seat that raises entangles it, seal, be used for charge of oil, the bushing shell for transformer bottom is installed on the high-voltage terminal rising seat.
2, according to claims 1 described bushing shell for transformer test unit, it is characterized in that described oil-sulfur hexafluoride cannula tip is electrically connected with the oil-casing air afterbody of another with electric pressure by web member and lead cable, all pressures radome that two sleeve pipe junctions are provided with is copper shield and outsourcing insulation, be provided with stay on the outer wall of copper shield and outsourcing insulation, the outside of radome is provided with the outside seat that raises.
3, bushing shell for transformer test unit according to claim 2 is characterized in that described lead cable, copper shield and outsourcing insulation, insulating cylinder and the outside seat that raises are respectively corresponding curved shape.
4,, it is characterized in that it comprises the steps: according to the test method of claims 1 described bushing shell for transformer test unit
(1) after the transformer assembling finishes, the preceding preparation of doing experiment;
(2) in oil-sulfur hexafluoride sleeve pipe side described sleeve pipe test unit is installed, specific as follows:
1. after lead cable in oil-casing air and web member are welded, reliably be connected with all pressing radome terminal block and oil-sulfur hexafluoride cannula tip terminal block three;
2. the outside seat that raises is installed;
3. mounting sleeve and outgoing cable;
(3) oiling in the outside seat that raises of test unit is circulated to and satisfies testing requirements;
(4) test connection, high-pressure side finally are connected with power supply by oil-casing air;
(5) finish various conventional test projects by standard-required.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100209047A CN100399036C (en) | 2004-07-06 | 2004-07-06 | Transformer cannula test device and its test method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100209047A CN100399036C (en) | 2004-07-06 | 2004-07-06 | Transformer cannula test device and its test method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1719267A true CN1719267A (en) | 2006-01-11 |
CN100399036C CN100399036C (en) | 2008-07-02 |
Family
ID=35931155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2004100209047A Expired - Fee Related CN100399036C (en) | 2004-07-06 | 2004-07-06 | Transformer cannula test device and its test method |
Country Status (1)
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CN (1) | CN100399036C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103293453A (en) * | 2013-06-19 | 2013-09-11 | 国家电网公司 | Epoxy resin high-voltage bushing testing device and usage method thereof |
CN103743970A (en) * | 2013-12-20 | 2014-04-23 | 保定天威保变电气股份有限公司 | Converter transformer valve side bushing test device |
CN105044534A (en) * | 2015-09-16 | 2015-11-11 | 保定天威集团特变电气有限公司 | Test method and apparatus for transformers in transition plugging connection with cable terminal outgoing lines through adopting oil-oil casings |
CN105699813A (en) * | 2016-03-03 | 2016-06-22 | 山东电力设备有限公司 | Ultra and extra high tension power transformer test apparatus using oil-SF6 sheathed tube |
CN109099579A (en) * | 2018-07-09 | 2018-12-28 | 中国电力科学研究院有限公司 | Device for heating transformer oil for bushing Insulation Test |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2237847Y (en) * | 1993-12-29 | 1996-10-16 | 苏宗元 | Sealing tester for sleeve and oil pipe |
JP3738180B2 (en) * | 2000-10-04 | 2006-01-25 | 株式会社日立エンジニアリングサービス | Method and apparatus for measuring degree of bushing deterioration of transformer |
CN2569160Y (en) * | 2002-09-18 | 2003-08-27 | 新疆特变电工股份有限公司 | On-line monitor for insulation property of transformer sleeve |
-
2004
- 2004-07-06 CN CNB2004100209047A patent/CN100399036C/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103293453A (en) * | 2013-06-19 | 2013-09-11 | 国家电网公司 | Epoxy resin high-voltage bushing testing device and usage method thereof |
CN103293453B (en) * | 2013-06-19 | 2015-08-05 | 国家电网公司 | Epoxy resin bushing test unit and using method thereof |
CN103743970A (en) * | 2013-12-20 | 2014-04-23 | 保定天威保变电气股份有限公司 | Converter transformer valve side bushing test device |
CN105044534A (en) * | 2015-09-16 | 2015-11-11 | 保定天威集团特变电气有限公司 | Test method and apparatus for transformers in transition plugging connection with cable terminal outgoing lines through adopting oil-oil casings |
CN105044534B (en) * | 2015-09-16 | 2018-01-16 | 保定天威集团特变电气有限公司 | Go out the test method and device of line transformer by oil jacket tube transitions plug cable termination |
CN105699813A (en) * | 2016-03-03 | 2016-06-22 | 山东电力设备有限公司 | Ultra and extra high tension power transformer test apparatus using oil-SF6 sheathed tube |
CN109099579A (en) * | 2018-07-09 | 2018-12-28 | 中国电力科学研究院有限公司 | Device for heating transformer oil for bushing Insulation Test |
CN109099579B (en) * | 2018-07-09 | 2022-03-04 | 中国电力科学研究院有限公司 | Transformer oil heating device for high-voltage bushing insulation test |
Also Published As
Publication number | Publication date |
---|---|
CN100399036C (en) | 2008-07-02 |
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Granted publication date: 20080702 Termination date: 20130706 |