CN203055656U - Three-phase electromagnetic voltage transformer with disconnecting switch for geographic information system (GIS) - Google Patents
Three-phase electromagnetic voltage transformer with disconnecting switch for geographic information system (GIS) Download PDFInfo
- Publication number
- CN203055656U CN203055656U CN 201220706440 CN201220706440U CN203055656U CN 203055656 U CN203055656 U CN 203055656U CN 201220706440 CN201220706440 CN 201220706440 CN 201220706440 U CN201220706440 U CN 201220706440U CN 203055656 U CN203055656 U CN 203055656U
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- China
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- gis
- disconnecting switch
- voltage transformer
- isolating switch
- operating mechanism
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Abstract
The utility model belongs to the field of high-voltage electrical apparatuses, and discloses a three-phase electromagnetic voltage transformer with a disconnecting switch for a geographic information system (GIS). The three-phase electromagnetic voltage transformer with the disconnecting switch for the GIS mainly comprises a shell body, a high-voltage insulator, a direct-operated disconnecting switch mechanism, high-voltage windings, low-voltage windings for measurement, a low-voltage winding for protection, an iron core and an insulating medium. The direct-operated disconnecting switch mechanism comprises an electric conduction connecting mechanism and an operating mechanism, wherein the electric conduction connecting mechanism and the operating mechanism are connected through an insulating pull rod. Due to the fact that the disconnecting switch is designed in the three-phase electromagnetic voltage transformer with the disconnecting switch for the GIS, floor space of a GIS product is effectively reduced, various test requirements of the GIS product are satisfied at the same time, investment of labor power and material resources is reduced, and cost is reduced.
Description
Technical field
The utility model relates to a kind of three-phase electricity magnetic-type voltage transformer; relate in particular to a kind of GIS three-phase electricity magnetic-type voltage transformer of being with isolating switch; belonging to the High-Voltage Electrical Appliances field, is a kind of electromagnetic potential transformer that has voltage measurement and relaying protection function in the electric power system.
Background technology
At present in electric power system, if be connected with isolating switch between the three-phase electricity magnetic-type voltage transformer of GIS and the bus, when before power frequency withstand test, doing seasoned test isolating switch is closed, add the no-load voltage ratio that rated voltage checks electromagnetic potential transformer; When doing the power frequency withstand voltage test, disconnect isolating switch.Isolating switch is what to separate with three-phase electricity magnetic-type voltage transformer, causes waste at human and material resources, and the production cycle is long, influences test efficiency, and the small product size of producing is bigger, brings inconvenience when transportation and use.
Summary of the invention
Technical problem to be solved in the utility model is: at the problem that prior art exists, provide a kind of GIS three-phase electricity magnetic-type voltage transformer with the band isolating switch, save cost, enhance productivity.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of GIS three-phase electricity magnetic-type voltage transformer of band isolating switch; mainly by housing, high-tension insulator, directly moving isolating switch mechanism, high pressure winding, measure with the low pressure winding, protect and form with low pressure winding, iron core and dielectric; described three high pressure windings are evenly distributed on the base plate, are mutually 120 degree angles.
Described straight moving isolating switch mechanism comprises conduction bindiny mechanism and operating mechanism, and described conduction bindiny mechanism is between insulator and the high-tension coil, and described operating mechanism is in the center of base plate.
Described conduction bindiny mechanism and operating mechanism adopt insulated tension pole to connect, and described operating mechanism design has disconnection and two stations that close, and adopts the lip-type seal circle as the translation seal structure.
The beneficial effects of the utility model are: the utility model originally independently isolating switch be designed in the three-phase electricity magnetic-type voltage transformer, effectively improve the test efficiency of GIS, reduce the input of human and material resources, save cost, shorten the production cycle, and having effectively reduced the volume of GIS product, convenient transportation is saved and is used the soil.
Description of drawings
Fig. 1 is electrical schematic diagram of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the vertical view of Fig. 2.
The 1-housing; The 2-high-tension insulator; 3-is moving isolating switch mechanism directly; 4-high pressure winding; 5-measures and uses the low pressure winding; 6-protection low pressure winding; The 7-iron core; The 8-dielectric; 9-conducts electricity bindiny mechanism; The 10-operating mechanism.
Below in conjunction with accompanying drawing the utility model is described further:
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3; a kind of GIS that the utility model provides three-phase electricity magnetic-type voltage transformer of band isolating switch; mainly by housing 1, high-tension insulator 2, directly moving isolating switch mechanism 3, high pressure winding 4, measure with low pressure winding 5, protection and form with low pressure winding 6, iron core 7 and dielectric 8; described three high pressure windings 4 are evenly distributed on the base plate, are mutually 120 degree angles.
Described straight moving isolating switch mechanism 3 comprises conduction bindiny mechanism 9 and operating mechanism 10, and described conduction bindiny mechanism 9 is between high-tension insulator 2 and the high pressure winding 4, and described operating mechanism 10 is in the center of base plate.
Described conduction bindiny mechanism 9 and operating mechanism 10 adopt insulated tension poles to connect, and described operating mechanism 10 designs have disconnection and two stations that close, and adopt the lip-type seal circle as the translation seal structure.
The GIS product is done seasoned test before power frequency withstand test, by operating mechanism 10 isolating switch that closes, this moment high pressure winding 4 with the bus conducting, add the no-load voltage ratio that rated voltage checks electromagnetic potential transformer; Disconnect isolating switch by operating mechanism 10 then, carry out power frequency withstand test.
Claims (3)
1. a GIS is with the three-phase electricity magnetic-type voltage transformer of band isolating switch; mainly by housing, high-tension insulator, directly moving isolating switch mechanism, high pressure winding, measure with the low pressure winding, protect and form with low pressure winding, iron core and dielectric; it is characterized in that: three described high pressure windings are evenly distributed on the base plate, are mutually 120 degree angles.
2. a kind of GIS usefulness according to claim 1 is with the three-phase electricity magnetic-type voltage transformer of isolating switch, it is characterized in that: described straight moving isolating switch mechanism comprises conduction bindiny mechanism and operating mechanism, described conduction bindiny mechanism is between insulator and the high-tension coil, and described operating mechanism is in the center of base plate.
3. a kind of GIS usefulness according to claim 2 is with the three-phase electricity magnetic-type voltage transformer of isolating switch, it is characterized in that: described conduction bindiny mechanism and operating mechanism adopt insulated tension pole to connect, described operating mechanism design has disconnection and two stations that close, and adopts the lip-type seal circle as the translation seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706440 CN203055656U (en) | 2012-12-18 | 2012-12-18 | Three-phase electromagnetic voltage transformer with disconnecting switch for geographic information system (GIS) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706440 CN203055656U (en) | 2012-12-18 | 2012-12-18 | Three-phase electromagnetic voltage transformer with disconnecting switch for geographic information system (GIS) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055656U true CN203055656U (en) | 2013-07-10 |
Family
ID=48738584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220706440 Expired - Fee Related CN203055656U (en) | 2012-12-18 | 2012-12-18 | Three-phase electromagnetic voltage transformer with disconnecting switch for geographic information system (GIS) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474221A (en) * | 2013-09-05 | 2013-12-25 | 江苏思源赫兹互感器有限公司 | Novel voltage transformer |
| CN106710859A (en) * | 2016-12-29 | 2017-05-24 | 上海吴淞电气实业有限公司 | Three-phase voltage transformer with disconnecting switch |
| CN110729730A (en) * | 2019-11-19 | 2020-01-24 | 中国舰船研究设计中心 | Built-in isolated voltage-taking protection device and power-taking method |
-
2012
- 2012-12-18 CN CN 201220706440 patent/CN203055656U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474221A (en) * | 2013-09-05 | 2013-12-25 | 江苏思源赫兹互感器有限公司 | Novel voltage transformer |
| CN103474221B (en) * | 2013-09-05 | 2015-09-23 | 江苏思源赫兹互感器有限公司 | A kind of novel voltage transformer |
| CN106710859A (en) * | 2016-12-29 | 2017-05-24 | 上海吴淞电气实业有限公司 | Three-phase voltage transformer with disconnecting switch |
| CN110729730A (en) * | 2019-11-19 | 2020-01-24 | 中国舰船研究设计中心 | Built-in isolated voltage-taking protection device and power-taking method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20191218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |