CN203774759U - Direct current inhibition apparatus of transformer neutral point - Google Patents
Direct current inhibition apparatus of transformer neutral point Download PDFInfo
- Publication number
- CN203774759U CN203774759U CN201320831764.6U CN201320831764U CN203774759U CN 203774759 U CN203774759 U CN 203774759U CN 201320831764 U CN201320831764 U CN 201320831764U CN 203774759 U CN203774759 U CN 203774759U
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- Prior art keywords
- neutral point
- transformer neutral
- combination switch
- capacitor
- direct current
- 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.)
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- 230000007935 neutral effect Effects 0.000 title claims abstract description 44
- 230000005764 inhibitory process Effects 0.000 title abstract 5
- 239000003990 capacitor Substances 0.000 claims abstract description 40
- 230000000452 restraining effect Effects 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 5
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320831764.6U CN203774759U (en) | 2013-12-17 | 2013-12-17 | Direct current inhibition apparatus of transformer neutral point |
Applications Claiming Priority (1)
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CN201320831764.6U CN203774759U (en) | 2013-12-17 | 2013-12-17 | Direct current inhibition apparatus of transformer neutral point |
Publications (1)
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CN203774759U true CN203774759U (en) | 2014-08-13 |
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CN201320831764.6U Expired - Lifetime CN203774759U (en) | 2013-12-17 | 2013-12-17 | Direct current inhibition apparatus of transformer neutral point |
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CN (1) | CN203774759U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103683194A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Transformer neutral point direct current suppression device |
CN105490259A (en) * | 2016-01-20 | 2016-04-13 | 桂林电力电容器有限责任公司 | Transformer neutral point capacitive DC blocking device |
CN106711945A (en) * | 2016-10-19 | 2017-05-24 | 许继集团有限公司 | Direct current blocking equipment with fault diagnosis function and diagnosis method |
WO2020069384A1 (en) * | 2018-09-28 | 2020-04-02 | Emprimus, Llc | Power grid protection via transformer neutral blocking systems and triggered phase disconnection |
-
2013
- 2013-12-17 CN CN201320831764.6U patent/CN203774759U/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103683194A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Transformer neutral point direct current suppression device |
CN105490259A (en) * | 2016-01-20 | 2016-04-13 | 桂林电力电容器有限责任公司 | Transformer neutral point capacitive DC blocking device |
CN106711945A (en) * | 2016-10-19 | 2017-05-24 | 许继集团有限公司 | Direct current blocking equipment with fault diagnosis function and diagnosis method |
CN106711945B (en) * | 2016-10-19 | 2018-10-19 | 许继集团有限公司 | A kind of blocking device and diagnostic method of tape jam diagnostic function |
WO2020069384A1 (en) * | 2018-09-28 | 2020-04-02 | Emprimus, Llc | Power grid protection via transformer neutral blocking systems and triggered phase disconnection |
CN113396517A (en) * | 2018-09-28 | 2021-09-14 | 科技持有有限责任公司 | Power grid protection by transformer neutral point blocking system and triggering phase loss |
JP2022502000A (en) * | 2018-09-28 | 2022-01-06 | テックホールド・エルエルシー | Power grid protection through transformer neutral cutoff system and triggered phase disconnection |
US11469590B2 (en) | 2018-09-28 | 2022-10-11 | Emprimus, Llc | Power grid protection via transformer neutral blocking systems and triggered phase disconnection |
US11984720B2 (en) | 2018-09-28 | 2024-05-14 | Techhold Llc | Power grid protection via transformer neutral blocking systems and triggered phase disconnection |
CN113396517B (en) * | 2018-09-28 | 2024-08-20 | 科技持有有限责任公司 | Power grid protection by transformer neutral point blocking system and triggering phase loss |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171201 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Patentee after: State Grid Corporation of China Co-patentee after: NARI TECHNOLOGY Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Patentee before: State Grid Corporation of China Co-patentee before: NANJING NARI Group Corp. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140813 |