CN201294378Y - 开关消弧及过电压保护装置 - Google Patents
开关消弧及过电压保护装置 Download PDFInfo
- Publication number
- CN201294378Y CN201294378Y CNU2008201379299U CN200820137929U CN201294378Y CN 201294378 Y CN201294378 Y CN 201294378Y CN U2008201379299 U CNU2008201379299 U CN U2008201379299U CN 200820137929 U CN200820137929 U CN 200820137929U CN 201294378 Y CN201294378 Y CN 201294378Y
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- Prior art keywords
- phase
- arc
- overvoltage
- vacuum circuit
- voltage
- 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.)
- Expired - Lifetime
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201379299U CN201294378Y (zh) | 2008-11-07 | 2008-11-07 | 开关消弧及过电压保护装置 |
Applications Claiming Priority (1)
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CNU2008201379299U CN201294378Y (zh) | 2008-11-07 | 2008-11-07 | 开关消弧及过电压保护装置 |
Publications (1)
Publication Number | Publication Date |
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CN201294378Y true CN201294378Y (zh) | 2009-08-19 |
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CNU2008201379299U Expired - Lifetime CN201294378Y (zh) | 2008-11-07 | 2008-11-07 | 开关消弧及过电压保护装置 |
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CN (1) | CN201294378Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104569725A (zh) * | 2015-01-09 | 2015-04-29 | 广东电网有限责任公司佛山供电局 | 一种可精确控制短路时刻的电力系统短路故障试验装置 |
CN107317317A (zh) * | 2017-07-03 | 2017-11-03 | 安徽恒凯电力保护设备有限公司 | 一种开关消弧装置 |
-
2008
- 2008-11-07 CN CNU2008201379299U patent/CN201294378Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104569725A (zh) * | 2015-01-09 | 2015-04-29 | 广东电网有限责任公司佛山供电局 | 一种可精确控制短路时刻的电力系统短路故障试验装置 |
CN107317317A (zh) * | 2017-07-03 | 2017-11-03 | 安徽恒凯电力保护设备有限公司 | 一种开关消弧装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent switch arc-extinguishing and overvoltage-protecting device Effective date of registration: 20160629 Granted publication date: 20090819 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Anhui Huidian Technology Co., Ltd. Registration number: 2016340000032 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170619 Granted publication date: 20090819 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Anhui Huidian Technology Co., Ltd. Registration number: 2016340000032 |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090819 |