CN202678086U - High-voltage sulfur hexafluoride (SF6) gas-insulation current transformer having function of monitoring superhigh-frequency partial discharge - Google Patents
High-voltage sulfur hexafluoride (SF6) gas-insulation current transformer having function of monitoring superhigh-frequency partial discharge Download PDFInfo
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- CN202678086U CN202678086U CN 201220318362 CN201220318362U CN202678086U CN 202678086 U CN202678086 U CN 202678086U CN 201220318362 CN201220318362 CN 201220318362 CN 201220318362 U CN201220318362 U CN 201220318362U CN 202678086 U CN202678086 U CN 202678086U
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- current transformer
- gas
- superhigh
- voltage
- sulfur hexafluoride
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- Withdrawn - After Issue
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Abstract
The utility model relates to a high-voltage sulfur hexafluoride (SF6) gas-insulation current transformer having a function of monitoring superhigh-frequency partial discharge. The high-voltage SF6 gas-insulation current transformer comprises a pedestal (6), an insulator, a supporting insulation component (4) and a secondary coil shielding cover (1), and a secondary coil shielding tube (5) is arranged in the insulator. The high-voltage SF6 gas-insulation current transformer is characterized in that a superhigh-frequency local discharge sensor (2) is arranged on the secondary coil shielding cover (1); and the output end of the superhigh-frequency local discharge sensor (2) is connected to a wiring terminal (7) which is arranged on the pedestal (6), through cables (3). The superhigh-frequency local discharge sensor is arranged on the high-voltage SF6 gas-insulation current transformer, online test of partial discharge amount of the onsite high-voltage SF6 gas-insulation current transformer is realized, and technical support is provided for system status analysis and assistant decision making, and a power grid has a self-diagnosis function.
Description
Technical field
The utility model relates to a kind of high pressure sulfur hexafluoride (SF that monitoring function is put in hyperfrequency office that has
6) gas insulated high voltage current transformer.
Background technology
Write first Report on the Work of the Government from intelligent grid construction in 2010, rise to national strategy, in March, 2011, intelligent grid is formally listed country " 12 " development plan in, and the concerned degree of " intelligent grid " word improves constantly.On the pilot work basis in 2009,2010 2 years, China's intelligent grid construction heats up once again.Along with the enforcement of the strong intelligent grid plan of State Grid Corporation of China, transformer station will develop to intelligent substation, and primary equipment will upgrade to intelligent power equipment, and secondary device then becomes intelligent control unit, and this is a revolutionary variation.For products such as transformer, instrument transformers, will make the transition to the intelligentized self-diagnostic function of representative.At present, China's high pressure SF
6The intellectuality transition of gas insulated high voltage current transformer or blank.At high pressure SF
6The gas insulated high voltage current transformer erecting bed due to limited conditions, generally all can't be carried out the test of product partial discharge quantity, therefore the safe and reliable operation of product and network system is affected.
The utility model content
The purpose of this utility model provides a kind of high pressure sulfur hexafluoride gas insulated high voltage current transformer that monitoring function is put in hyperfrequency office that has, and can satisfy on-the-spot high pressure SF
6The on-line testing of gas insulated high voltage current transformer partial discharge quantity needs.
A kind of have a high pressure sulfur hexafluoride gas insulated high voltage current transformer that monitoring function is put in hyperfrequency office, comprise the base, insulator, support insulators and the secondary coil radome that connect successively, the secondary line shielded-plate tube also is installed in this insulator, its special feature is: at described secondary coil radome hyperfrequency office is installed and puts transducer, the output that transducer is put in this hyperfrequency office is connected to the binding post that is installed on the base by cable, thereby as output.
Its middle connecting terminal adopts radio frequency connector.
Wherein cable passes from the secondary line shielded-plate tube.
At current transformer of the present utility model hyperfrequency office has been installed and has put transducer, solved on-the-spot high pressure SF
6The on-line testing problem of gas insulated high voltage current transformer partial discharge quantity provides technical support for system mode analysis and aid decision simultaneously, makes electrical network possess self-diagnostic function.Can carry out on-line monitoring by system's control simultaneously, original traditional high pressure SF6 gas insulated high voltage current transformer is made the transition is the "smart" products with self-diagnostic function.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of have a high pressure sulfur hexafluoride gas insulated high voltage current transformer that monitoring function is put in hyperfrequency office, comprise the base 6, insulator, support insulators 4 and the secondary coil radome 1 that connect successively, secondary line shielded-plate tube 5 also is installed in this insulator, improvements of the present utility model mainly are, at secondary coil radome 1 hyperfrequency office is installed and puts transducer 2, the output that transducer 2 is put in this hyperfrequency office is connected to the binding post 7 that is installed on the base 6 by cable 3, thereby as output.
As shown in Figure 1, its middle connecting terminal 7 adopts radio frequency connector, and cable 3 passes from secondary line shielded-plate tube 5.
Claims (3)
1. one kind has the high pressure sulfur hexafluoride gas insulated high voltage current transformer that monitoring function is put in hyperfrequency office, comprise the base (6) that connects successively, insulator, support insulators (4) and secondary coil radome (1), secondary line shielded-plate tube (5) also is installed in this insulator, it is characterized in that: at described secondary coil radome (1) hyperfrequency office is installed and puts transducer (2), the output that transducer (2) is put in this hyperfrequency office is connected to the binding post (7) that is installed on the base (6) by cable (3), thereby as output.
2. a kind of high pressure sulfur hexafluoride gas insulated high voltage current transformer that monitoring function is put in hyperfrequency office that has as claimed in claim 1 is characterized in that: its middle connecting terminal (7) employing radio frequency connector.
3. a kind of high pressure sulfur hexafluoride gas insulated high voltage current transformer that monitoring function is put in hyperfrequency office that has as claimed in claim 1 or 2, it is characterized in that: wherein cable (3) passes from secondary line shielded-plate tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318362 CN202678086U (en) | 2012-07-03 | 2012-07-03 | High-voltage sulfur hexafluoride (SF6) gas-insulation current transformer having function of monitoring superhigh-frequency partial discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318362 CN202678086U (en) | 2012-07-03 | 2012-07-03 | High-voltage sulfur hexafluoride (SF6) gas-insulation current transformer having function of monitoring superhigh-frequency partial discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678086U true CN202678086U (en) | 2013-01-16 |
Family
ID=47498972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318362 Withdrawn - After Issue CN202678086U (en) | 2012-07-03 | 2012-07-03 | High-voltage sulfur hexafluoride (SF6) gas-insulation current transformer having function of monitoring superhigh-frequency partial discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709043A (en) * | 2012-07-03 | 2012-10-03 | 宁夏电力公司电力科学研究院 | High voltage sulfur hexafluoride gas-insulated current transformer with ultrahigh frequency partial discharge monitoring functions |
| CN103308836A (en) * | 2013-05-27 | 2013-09-18 | 河南省电力公司鹤壁供电公司 | Method, device and system for monitoring insulating property of electronic transformer |
| CN111273137A (en) * | 2020-02-21 | 2020-06-12 | 国网河北省电力有限公司电力科学研究院 | Inverted current transformer and partial discharge detection device |
-
2012
- 2012-07-03 CN CN 201220318362 patent/CN202678086U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709043A (en) * | 2012-07-03 | 2012-10-03 | 宁夏电力公司电力科学研究院 | High voltage sulfur hexafluoride gas-insulated current transformer with ultrahigh frequency partial discharge monitoring functions |
| WO2014005407A1 (en) * | 2012-07-03 | 2014-01-09 | 宁夏电力公司电力科学研究院 | High-voltage sulfur hexafluoride gas-insulation current transformer |
| CN102709043B (en) * | 2012-07-03 | 2015-11-18 | 宁夏电力公司电力科学研究院 | A kind of high pressure sulfur hexafluoride gas insulated high voltage current transformer |
| CN103308836A (en) * | 2013-05-27 | 2013-09-18 | 河南省电力公司鹤壁供电公司 | Method, device and system for monitoring insulating property of electronic transformer |
| CN103308836B (en) * | 2013-05-27 | 2015-08-12 | 国家电网公司 | To the methods, devices and systems that the insulating property of electronic mutual inductor are monitored |
| CN111273137A (en) * | 2020-02-21 | 2020-06-12 | 国网河北省电力有限公司电力科学研究院 | Inverted current transformer and partial discharge detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |