CN2142234Y - 电流互感器二次开路过电压保护装置 - Google Patents
电流互感器二次开路过电压保护装置 Download PDFInfo
- Publication number
- CN2142234Y CN2142234Y CN 92245730 CN92245730U CN2142234Y CN 2142234 Y CN2142234 Y CN 2142234Y CN 92245730 CN92245730 CN 92245730 CN 92245730 U CN92245730 U CN 92245730U CN 2142234 Y CN2142234 Y CN 2142234Y
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- Prior art keywords
- current transformer
- overvoltage protection
- parallel
- protection device
- latching relay
- 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.)
- Ceased
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- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92245730 CN2142234Y (zh) | 1992-12-31 | 1992-12-31 | 电流互感器二次开路过电压保护装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92245730 CN2142234Y (zh) | 1992-12-31 | 1992-12-31 | 电流互感器二次开路过电压保护装置 |
Publications (1)
Publication Number | Publication Date |
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CN2142234Y true CN2142234Y (zh) | 1993-09-15 |
Family
ID=33784579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 92245730 Ceased CN2142234Y (zh) | 1992-12-31 | 1992-12-31 | 电流互感器二次开路过电压保护装置 |
Country Status (1)
Country | Link |
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CN (1) | CN2142234Y (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103280769A (zh) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | 电流互感器防止开路保护装置 |
CN104076193A (zh) * | 2014-04-12 | 2014-10-01 | 国家电网公司 | 一种基于氧化锌压敏电阻的过电压采集装置 |
CN105092940A (zh) * | 2015-07-07 | 2015-11-25 | 国网上海市电力公司 | 一种电流互感器二次回路带电警示装置 |
CN109193605A (zh) * | 2018-10-31 | 2019-01-11 | 国网河南省电力公司平顶山供电公司 | 一种防止电流互感器二次开路的方法 |
-
1992
- 1992-12-31 CN CN 92245730 patent/CN2142234Y/zh not_active Ceased
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103280769A (zh) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | 电流互感器防止开路保护装置 |
CN104076193A (zh) * | 2014-04-12 | 2014-10-01 | 国家电网公司 | 一种基于氧化锌压敏电阻的过电压采集装置 |
CN105092940A (zh) * | 2015-07-07 | 2015-11-25 | 国网上海市电力公司 | 一种电流互感器二次回路带电警示装置 |
CN105092940B (zh) * | 2015-07-07 | 2018-09-28 | 国网上海市电力公司 | 一种电流互感器二次回路带电警示装置 |
CN109193605A (zh) * | 2018-10-31 | 2019-01-11 | 国网河南省电力公司平顶山供电公司 | 一种防止电流互感器二次开路的方法 |
CN109193605B (zh) * | 2018-10-31 | 2019-08-06 | 国网河南省电力公司平顶山供电公司 | 一种防止电流互感器二次开路的方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: HENGDA ELECTRONS CORP., NO. 64, HUIZHOU CITY, HEFEI CITY 230001 TO: HEFEI KAILI ELECTRONS CO., LTD., NATIONAL NEW TECHNOLOGY INGUSTRY ZONE, NO. 669, CHANGJIANG WEST ROAD, HEFEI CITY 230088 |
|
CP02 | Change in the address of a patent holder |
Address after: Hefei City, No. 669 Changjiang Road 230088 Hefei national hi tech Industrial Development Zone Hefei Kaili Electronics Co., Ltd. Patentee after: Wang Chuan Address before: 230001 Hengda electronics, 64 Huizhou Road, Hefei, China Patentee before: Wang Chuan |
|
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 | ||
C35 | Partial or whole invalidation of patent or utility model | ||
IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 19980909 Decision number of declaring invalidation: 1130 |
|
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Wang Chuan Document name: Notice of invalidation |