CN2265582Y - Outdoor dry current transformer - Google Patents
Outdoor dry current transformer Download PDFInfo
- Publication number
- CN2265582Y CN2265582Y CN 96234605 CN96234605U CN2265582Y CN 2265582 Y CN2265582 Y CN 2265582Y CN 96234605 CN96234605 CN 96234605 CN 96234605 U CN96234605 U CN 96234605U CN 2265582 Y CN2265582 Y CN 2265582Y
- Authority
- CN
- China
- Prior art keywords
- layer
- sleeve pipe
- current transformer
- union body
- pipe body
- Prior art date
- 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.)
- Expired - Fee Related
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- Insulating Of Coils (AREA)
Abstract
The utility model relates to an outdoor dry current transformer, which is composed of a wiring part, a mutual-inductance body and a sleeve pipe body, wherein, the wiring part is connected with the mutual-inductance body which is fixed at the middle part of the sleeve pipe body; umbrella skirts are arranged on the sleeve pipe body of both sides of the mutual-inductance body. The outdoor dry current transformer is characterized in that an outermost layer of the sleeve pipe body is a macromolecular organic synthesis insulating layer; a second layer is an epoxy resin pouring layer; a third layer is a capacitance pressure equalizing layer; a fourth layer is an insulation separating layer; an innermost layer is a metal sleeve pipe; both ends of the sleeve pipe body are provided with a metal pressure equalizing ball. The utility model has the advantages of high precision, small size, low cost, fire resistance, explosion protection, pollution resistance, needless maintenance, convenient transportation and installation, etc.
Description
The utility model relates to a kind of outdoor dry type current transformer.
At present, the domestic Outdoor Current Transformer that is used for 110 kv substations, power plant has oil immersed type LCWD and LCWB-110 kilovolt series of products, because of being subjected to its " insulator ", " oil-filled " structural limitations, need in service are made regular preventive trial, have problems such as easy ageing of insulation, oil impregnate, leakage of oil and heating burst.
The purpose of this utility model is to provide a kind of outdoor type dry type non-maintaining 110 kilovolts of current transformers.
The purpose of this utility model is achieved in that it is made of wiring part, mutual inductor, union body, the wiring part is connected with mutual inductor, mutual inductor is fixed on the middle part of union body, on the union body on mutual inductor both sides full skirt is arranged, the outermost layer of union body is a macromolecule organic synthesis insulating barrier, and the second layer is the poured with epoxy resin layer, the 3rd layer is the capacitor voltage equalizing layer, the 4th layer is dielectric isolation layer, and innermost layer is a metal sleeve, is provided with the metal voltage equalizing ball at the two ends of union body.
The umbrella limit of full skirt with the lengthening creepage distance, and forms dried district to curls inward in the volume groove, strengthen stain resistance.
Mutual inductor of the present utility model has partly adopted patented technology No. 91212500.4, now be equipped with union body part reasonable in design, make it become the non-maintaining 110 kilovolts of current transformers of outdoor type (also can be used as indoor) dry type, compare with existing oil-immersed current transformer, it is big to have creepage distance, accuracy height (0.2 grade) volume is little, in light weight, and cost is low, fire-retardant anti-riot, antipollution, standard universal, advantages such as easy transportation and installation.
Accompanying drawing is the utility model structural representation.
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in the figure, the utility model is by wiring part 4, mutual inductor 10, union body 3 constitutes, wiring partly is connected a side of mutual inductor, mutual inductor is fixed on the middle part of union body, the magnetic conductor of mutual inductor and copper coil are installed in the metal shell, and it is whole by poured with epoxy resin one-tenth, the union body on mutual inductor both sides is provided with full skirt 2 (number of full skirt is decided on the voltage height), the umbrella limit of full skirt is to curls inward, union body has five layers, outermost layer is a macromolecule organic synthesis insulating barrier 5, the second layer is that the modified epoxy pouring layer is a high strength dielectric isolation layer 8 for 7, the four layers for organic synthesis insulating material capacitor voltage equalizing layer for 6, the three layers, layer 5 (innermost layer) is a metal sleeve 9, at the two ends of union body metal voltage equalizing ball 1 is arranged.
Claims (2)
1, a kind of outdoor dry type current transformer, constitute by wiring part, mutual inductor, union body, the wiring part is connected with mutual inductor, and mutual inductor is fixed on the middle part of union body, on the union body on mutual inductor both sides full skirt is arranged, the outermost layer that it is characterized in that union body is a macromolecule organic synthesis insulating barrier, the second layer is the poured with epoxy resin layer, and the 3rd layer is the capacitor voltage equalizing layer, and the 4th layer is dielectric isolation layer, innermost layer is a metal sleeve, is provided with the metal voltage equalizing ball at the two ends of union body.
2, outdoor dry type current transformer according to claim 1, the umbrella limit that it is characterized in that full skirt is to curls inward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96234605 CN2265582Y (en) | 1996-04-12 | 1996-04-12 | Outdoor dry current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96234605 CN2265582Y (en) | 1996-04-12 | 1996-04-12 | Outdoor dry current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2265582Y true CN2265582Y (en) | 1997-10-22 |
Family
ID=33910931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96234605 Expired - Fee Related CN2265582Y (en) | 1996-04-12 | 1996-04-12 | Outdoor dry current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2265582Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623161A (en) * | 2012-03-29 | 2012-08-01 | 中国电力科学研究院 | Bus type current transformer |
| CN114050041A (en) * | 2021-11-17 | 2022-02-15 | 许昌许继软件技术有限公司 | High-voltage bushing integrated with low-power-consumption current transformer coil |
-
1996
- 1996-04-12 CN CN 96234605 patent/CN2265582Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623161A (en) * | 2012-03-29 | 2012-08-01 | 中国电力科学研究院 | Bus type current transformer |
| CN102623161B (en) * | 2012-03-29 | 2015-03-25 | 中国电力科学研究院 | Bus type current transformer |
| CN114050041A (en) * | 2021-11-17 | 2022-02-15 | 许昌许继软件技术有限公司 | High-voltage bushing integrated with low-power-consumption current transformer coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |