CN201966058U - 220kV three-phase one-tank voltage transformer - Google Patents
220kV three-phase one-tank voltage transformer Download PDFInfo
- Publication number
- CN201966058U CN201966058U CN 201020607421 CN201020607421U CN201966058U CN 201966058 U CN201966058 U CN 201966058U CN 201020607421 CN201020607421 CN 201020607421 CN 201020607421 U CN201020607421 U CN 201020607421U CN 201966058 U CN201966058 U CN 201966058U
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- voltage transformer
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- gas
- insulator
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Abstract
A 220kV three-phase one-tank voltage transformer is a gas insulation electromagnetic-type voltage transformer, and mainly consists of an insulator, a conductive rod, a body, a shell, an adapting flange, an explosion-proof device, a bracket, a secondary terminal board, a terminal box, a charge valve and the like. The insulator is connected with the upper end of the shell; one end of the conductive rod is fixed on the central conductor of the insulator, and the other end of the conductive rod is connected with the body; the body is fixed on the adapting flange; the adapting flange is fixed on the lower end of the shell; the lower end of the adapting flange is provided with the secondary terminal board; the charge valve is arranged on the side surface of the shell; the terminal box is arranged on the adapting flange; and the explosion-proof device is arranged at the lower end of the adapting flange. Three device bodies are arranged in the shell; the body has a single-level structure; insulating gas is filled in the shell; and the insulating gas is sulfur hexafluoride gas or nitrogen gas or mixed gas of sulfur hexafluoride gas and nitrogen gas. The 220kV three-phase one-tank voltage transformer has the advantages of small size, low cost and the like, and is mainly used in a 220kV three-phase one-tank metal sealed-type combined device so as to realize the functions of electric energy metering, voltage measurement and relay protection and the like of transport variable circuits.
Description
(1) technical field
One jar of voltage transformer of the utility model 220kV three-phase is a kind of voltage transformer, belongs to voltage measurement and relay protection device field.
(2) background technology
At present; aspect high tension voltage measurement and relay protection device; the metal enclosed combined electrical apparatus that integrates advantages such as synthesization, miniaturization, no oiling becomes the leading of market gradually; also there is not one jar of voltage transformer of 220kV three-phase; therefore, be badly in need of such new product of research and development to adapt to the growth requirement of market and industry.
(3) summary of the invention
In order to satisfy the active demand of one jar of metal enclosed combined electrical apparatus of 220kV three-phase to voltage transformer, the utility model provides a kind of 220kV three-phase one jar of voltage transformer.This voltage transformer adopts the single stage type structure, and is inner insulation gas filled, and the continuous coiling of insulation film is adopted in the coil layer insulation, and has adopted special shielding insulation structure.Use one jar of voltage transformer of 1 220kV three-phase, can realize the voltage measurement function of present 3 220kV single-phase potential transformers, compact conformation, dielectric strength height.
The technical scheme that one jar of voltage transformer of the utility model 220kV three-phase is adopted is: mainly be made up of insulator, conducting rod, device body, housing, adpting flange, explosion-protection equipment, support, secondary connection plate, terminal board, charge valve etc.Insulator is connected the upper end of housing, conducting rod one end is fixed on the center conductor of insulator, the other end is connected with the device body, the device body is fixed on the adpting flange, adpting flange is fixed to the housing lower end, and the secondary connection plate is installed in the adpting flange lower end, and the housing side is equipped with charge valve, terminal board is installed on the adpting flange, and explosion-protection equipment is installed in the adpting flange lower end.3 device bodies are housed in a housing, can realize measurement three-phase voltage.Device is as the single stage type structure, and enclosure interior is filled insulating gas, and insulating gas is sulfur hexafluoride gas or nitrogen or the gaseous mixture of the two, its stable insulation, and meeting power equipment does not have the oiling requirement.
The beneficial effects of the utility model are: volume is little, cost is low, monitoring effect is good etc., meets the national industrial policies and the market demand.
(4) description of drawings
Fig. 1 is the structural map of one jar of voltage transformer of 220kV three-phase.
Fig. 2 is the disc insulator and the conducting rod structural map of one jar of voltage transformer of 220kV three-phase.
1. insulators among Fig. 1,2. conducting rod, 3. device body, 4. housing, 5. adpting flange, 6. explosion-protection equipment, 7. support, 8. secondary connection plate, 9. terminal board, 10 charge valves.
(5) embodiment
Below in conjunction with accompanying drawing processing assembling of the present utility model is described further.
In Fig. 1, insulator (1) is connected the upper end of housing (4), conducting rod (2) one ends are fixed on the center conductor of insulator (1), the other end is connected with device body (3), and device body (3) is fixed on the adpting flange (5), and adpting flange (5) is fixed to housing (4) lower end, secondary connection plate (8) is installed in adpting flange (5) lower end, housing (4) side is equipped with charge valve (10), and terminal board (9) is installed on the adpting flange (5), and explosion-protection equipment (6) is installed in adpting flange (5) lower end.3 device bodies (3) are housed in a housing (4), and device body (3) is the single stage type structure, and insulating gas is filled in housing (4) inside, and insulating gas is sulfur hexafluoride gas or nitrogen or the gaseous mixture of the two.
In Fig. 2, conducting rod (2) is by being bolted on insulator (1) center conductor.
Core material is a 30Q130 silicon steel in the utility model, and the conducting rod material is the ZL101 cast aluminium, and housing and adpting flange material are Q235A steel plate or 5A02 aluminium sheet.
The utility model is installed in same enclosure interior with 3 220kV voltage transformer device bodies, measures when using 1 equipment can realize three-phase voltage, has compact conformation, volume is little, cost is low characteristics.
Claims (3)
1. one jar of voltage transformer of a 220kV three-phase, mainly by insulator, conducting rod, the device body, housing, adpting flange, explosion-protection equipment, support, the secondary connection plate, terminal board, compositions such as charge valve, it is characterized in that: insulator is connected the upper end of housing, conducting rod one end is fixed on the center conductor of insulator, the other end is connected with the device body, the device body is fixed on the adpting flange, adpting flange is fixed to the housing lower end, the secondary connection plate is installed in the adpting flange lower end, the housing side is equipped with charge valve, terminal board is installed on the adpting flange, and explosion-protection equipment is installed in the adpting flange lower end.
2. one jar of voltage transformer of a kind of 220kV three-phase according to claim 1 is characterized in that: three device bodies are housed in a housing, and device is as the single stage type structure.
3. one jar of voltage transformer of a kind of 220kV three-phase according to claim 1, it is characterized in that: housing is the housing that insulating gas is filled in inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020607421 CN201966058U (en) | 2010-11-15 | 2010-11-15 | 220kV three-phase one-tank voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020607421 CN201966058U (en) | 2010-11-15 | 2010-11-15 | 220kV three-phase one-tank voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966058U true CN201966058U (en) | 2011-09-07 |
Family
ID=44528611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020607421 Expired - Fee Related CN201966058U (en) | 2010-11-15 | 2010-11-15 | 220kV three-phase one-tank voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201966058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105992736A (en) * | 2014-02-19 | 2016-10-05 | 利乐拉瓦尔集团及财务有限公司 | Power supply unit |
-
2010
- 2010-11-15 CN CN 201020607421 patent/CN201966058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105992736A (en) * | 2014-02-19 | 2016-10-05 | 利乐拉瓦尔集团及财务有限公司 | Power supply unit |
| CN105992736B (en) * | 2014-02-19 | 2019-06-18 | 利乐拉瓦尔集团及财务有限公司 | Power supply unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20121115 |