CN203287475U - Transition device for 252 kV enclosed electric appliance and power-frequency test transformer - Google Patents
Transition device for 252 kV enclosed electric appliance and power-frequency test transformer Download PDFInfo
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- CN203287475U CN203287475U CN2013202471880U CN201320247188U CN203287475U CN 203287475 U CN203287475 U CN 203287475U CN 2013202471880 U CN2013202471880 U CN 2013202471880U CN 201320247188 U CN201320247188 U CN 201320247188U CN 203287475 U CN203287475 U CN 203287475U
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Abstract
The utility model discloses a transition device for a 252 kV enclosed electric appliance and a power-frequency test transformer. The transition device comprises a conductor, an insulating element and a metal shell, and is characterized in that three groups of respectively independent test device units are assembled in an airtight gas chamber composed of the metal shell and the insulating element; and each group of the test device units comprises a group of independent isolation switches and a group of independent grounding switches. The transition device disclosed by the utility model has the characteristics of being capable of realizing a single-phase grounding test and a three-phase test during a test on the 252 kV enclosed electric appliance, and reducing the boosting times of the test transformer, simple in structure, convenient to operate, and the like.
Description
Technical field
The utility model relates to a kind of 252kV enclosed type electric apparatus and power frequency testing transformer transition apparatus.
Background technology
In the High-Voltage Experimentation Technology field, along with power frequency becomes better and approaching perfection day by day without office's venting body Insulation Test apparatus for testing transformer complete equipment, and cooperation office puts while measuring and need not electromagnetic screen, along with production-scale continuous expansion and the expensive test shielding hall of construction, can not adapt to existing situation, the more common factory building of relative usage is produced, and more and more is subjected to the favor of each large manufacturing enterprise.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiency that existing test unit can only single-phasely be tested, a kind of test unit is provided, and this test unit can be realized single-phase test, but three-phase is tested together simultaneously, easy to operate, and each single-phase operation is all independently.
In order to address the above problem, the technical solution adopted in the utility model is: a kind of 252kV enclosed type electric apparatus and power frequency testing transformer transition apparatus, comprise metal shell, one end of metal shell is provided with single phase isolator, be provided with conductor in metal shell, an end of conductor is connected with single phase isolator, it is characterized in that, the other end of metal shell is provided with three phase isolated, and three phase isolated, single phase isolator and metal shell form sealed gas chamber; Be provided with 3 groups of proving installation unit in three phase isolated, every group of proving installation unit comprises the static contact of being located in three phase isolated, the inboard of static contact connects respectively disconnector moving contact, moving contact of grounding switch, moving contact of grounding switch exposes from metal shell, this bared end is provided with the grounding switch operating grip; The disconnector moving contact is connected with an end of isolation switch insulation connecting rod, and the other end of isolation switch insulation connecting rod exposes from metal shell, and this bared end is provided with the isolator operation handle; The junction of static contact and isolation switch insulation connecting rod is provided with the conductor web joint, and the conductor web joint is connected with the other end of conductor.
Preferably, described three phase isolated is shaped as isosceles triangle.
The utility model is to adopt insulator airtight at two ends, in the air chamber of middle employing metal shell sealing, make a special conductor, one end is connected with single phase isolator, the other end is divided into three terminations, and these three terminations are isosceles triangle shape arranges, and each termination arranges a simple and easy disconnector moving contact, simple and easy static contact isolation switch is assembled on three phase isolated, and this static contact is also the static contact of simple and easy grounding switch.During use, single phase isolator one end and testing transformer docking, three phase isolated son one end and the docking of tested 252kV enclosed type electric apparatus,, by operating the handle of simple and easy disconnector and simple and easy grounding switch, realize the various test conditions of 252kV GIS product.
The utility model has the advantages that, can be when test 252kV GIS product, realize that the single-phase three-phase that reaches over the ground tests together, reduce the testing transformer number of times that boosts, simple in structure, the characteristics such as easy to operate.
Description of drawings
The 252kV enclosed type electric apparatus that Fig. 1 provides for the utility model and the cut-open view of power frequency testing transformer transition apparatus;
Fig. 2 is the front view of middle three phase isolated of Fig. 1;
Fig. 3 is circuit theory diagrams of the present utility model.
Embodiment
, for the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Embodiment
As shown in Figure 1-2, the 252kV enclosed type electric apparatus that provides for the utility model and the structural representation of power frequency testing transformer transition apparatus, comprise metal shell 9, and the two ends of metal shell 9 are respectively equipped with single phase isolator 10, three phase isolated 7.Three phase isolated 7 be shaped as isosceles triangle.Three phase isolated 7, single phase isolator 10 and metal shell 9 form sealed gas chamber; Be provided with 3 groups of proving installation unit in three phase isolated 7, every group of proving installation unit comprises the static contact 5 of being located in three phase isolated 7, the inboard of static contact 5 connects respectively disconnector moving contact 6, moving contact of grounding switch 4, moving contact of grounding switch 4 exposes from metal shell 9, this bared end is provided with grounding switch operating grip 2; Disconnector moving contact 6 is connected with an end of isolation switch insulation connecting rod 3, and the other end of isolation switch insulation connecting rod 3 exposes from metal shell 9, and this bared end is provided with isolator operation handle 1.The junction of static contact 5 and isolation switch insulation connecting rod 3 is fixedly connected with conductor web joint 11.Be provided with conductor 8 in metal shell 9, an end of conductor 8 is connected with single phase isolator 10, and the other end is connected with conductor web joint 11.
In the proving installation unit, disconnector moving contact 6 forms disconnector with static contact 5, and totally three groups, called after is DS1, DS2, DS3 respectively; Moving contact of grounding switch 4 forms grounding switch with static contact 5, and totally three groups, difference called after ES1, ES2, ES3.During use, single phase isolator 10 is connected with testing transformer 12, three phase isolated 7 is connected with Devices to test, its circuit theory diagrams as shown in Figure 3, realize the single phase industrial frequence withstand voltage test by disconnecting switch operation DS1, DS2, DS3 and grounding switch ES1, ES2, ES3, three-phase is power frequency withstand test together.
Claims (2)
1. a 252kV enclosed type electric apparatus and power frequency testing transformer transition apparatus, comprise metal shell (9), one end of metal shell (9) is provided with single phase isolator (10), be provided with conductor (8) in metal shell (9), one end of conductor (8) is connected with single phase isolator (10), it is characterized in that, the other end of metal shell is provided with three phase isolated (7), and three phase isolated (7), single phase isolator (10) and metal shell (9) form sealed gas chamber; Be provided with 3 groups of proving installation unit in three phase isolated (7), every group of proving installation unit comprises the static contact (5) of being located in three phase isolated (7), the inboard of static contact (5) connects respectively disconnector moving contact (6), moving contact of grounding switch (4), moving contact of grounding switch (4) exposes from metal shell (9), this bared end is provided with grounding switch operating grip (2); Disconnector moving contact (6) is connected with an end of isolation switch insulation connecting rod (3), and the other end of isolation switch insulation connecting rod (3) exposes from metal shell (9), and this bared end is provided with isolator operation handle (1); The junction of static contact (5) and isolation switch insulation connecting rod (3) is provided with conductor web joint (11), and conductor web joint (11) is connected with the other end of conductor (8).
2. 252kV enclosed type electric apparatus as claimed in claim 1 and power frequency testing transformer transition apparatus, is characterized in that, described three phase isolated (7) be shaped as isosceles triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202471880U CN203287475U (en) | 2013-05-06 | 2013-05-06 | Transition device for 252 kV enclosed electric appliance and power-frequency test transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202471880U CN203287475U (en) | 2013-05-06 | 2013-05-06 | Transition device for 252 kV enclosed electric appliance and power-frequency test transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287475U true CN203287475U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202471880U Expired - Fee Related CN203287475U (en) | 2013-05-06 | 2013-05-06 | Transition device for 252 kV enclosed electric appliance and power-frequency test transformer |
Country Status (1)
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| CN (1) | CN203287475U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728019A (en) * | 2017-09-27 | 2018-02-23 | 湖南长高电气有限公司 | A kind of GIS pressure test frocks |
| CN113777456A (en) * | 2021-10-08 | 2021-12-10 | 江苏安靠智能输电工程科技股份有限公司 | On-spot insulation test device of totally enclosed gas insulation high voltage switch |
| CN113899996A (en) * | 2021-10-08 | 2022-01-07 | 江苏安靠智能输电工程科技股份有限公司 | On-spot high-voltage insulation test device |
-
2013
- 2013-05-06 CN CN2013202471880U patent/CN203287475U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728019A (en) * | 2017-09-27 | 2018-02-23 | 湖南长高电气有限公司 | A kind of GIS pressure test frocks |
| CN113777456A (en) * | 2021-10-08 | 2021-12-10 | 江苏安靠智能输电工程科技股份有限公司 | On-spot insulation test device of totally enclosed gas insulation high voltage switch |
| CN113899996A (en) * | 2021-10-08 | 2022-01-07 | 江苏安靠智能输电工程科技股份有限公司 | On-spot high-voltage insulation test device |
| CN113899996B (en) * | 2021-10-08 | 2023-11-14 | 江苏安靠智能输电工程科技股份有限公司 | On-spot high voltage insulation test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TBEA ZHONGDFA SHANGHAI HIGH VOLTAGE SWITCHGEAR CO. Free format text: FORMER NAME: TBEA (SHANGHAI) ZHONGDFA YIPA ULTRA-HIGH VOLTAGE ELECTRIC APPLIANCE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 201404 Shanghai city Fengxian District Jinhui town Pu Xing Road No. 5088 Patentee after: In special power transformation work, send out Shanghai high-voltage switch gear Co., Ltd Address before: 201404, Shanghai, Fengxian District Pu Xing Road No. 5088 Patentee before: TBEA Electric (Shanghai) Zonfa Yipa Ultra-High Voltage Electrical Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20170506 |