CN201122840Y - 智能中性点电阻接地装置 - Google Patents
智能中性点电阻接地装置 Download PDFInfo
- Publication number
- CN201122840Y CN201122840Y CNU2007201308091U CN200720130809U CN201122840Y CN 201122840 Y CN201122840 Y CN 201122840Y CN U2007201308091 U CNU2007201308091 U CN U2007201308091U CN 200720130809 U CN200720130809 U CN 200720130809U CN 201122840 Y CN201122840 Y CN 201122840Y
- Authority
- CN
- China
- Prior art keywords
- power
- znr
- resistance
- intelligent
- zinc oxide
- 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 - Fee Related
Links
- 230000007935 neutral effect Effects 0.000 title claims abstract description 29
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011787 zinc oxide Substances 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201308091U CN201122840Y (zh) | 2007-12-06 | 2007-12-06 | 智能中性点电阻接地装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201308091U CN201122840Y (zh) | 2007-12-06 | 2007-12-06 | 智能中性点电阻接地装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201122840Y true CN201122840Y (zh) | 2008-09-24 |
Family
ID=40010081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007201308091U Expired - Fee Related CN201122840Y (zh) | 2007-12-06 | 2007-12-06 | 智能中性点电阻接地装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201122840Y (zh) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101540499B (zh) * | 2009-03-19 | 2012-05-02 | 江苏省电力公司南京供电公司 | 城市配网中值电阻接地快速选线跳闸装置及选线方法 |
CN102931650A (zh) * | 2012-11-15 | 2013-02-13 | 陈文根 | 过电压保护监测器 |
CN103066905A (zh) * | 2012-12-30 | 2013-04-24 | 深圳市广前电力有限公司 | 燃机电厂启动中消除发电机中性点回路谐振的方法及装置 |
CN103269065A (zh) * | 2012-12-10 | 2013-08-28 | 江西赣东北供电公司 | 电力电压互感器谐振消除系统 |
CN104410058A (zh) * | 2014-11-21 | 2015-03-11 | 国家电网公司 | 一种10千伏电网中性点接地装置 |
CN107843866A (zh) * | 2017-10-26 | 2018-03-27 | 国网四川省电力公司电力科学研究院 | 检定三相四线中性点抽出的配网互感器的接线电路及方法 |
CN108270208A (zh) * | 2016-12-30 | 2018-07-10 | 安徽新在线科技股份有限公司 | 一种发电机中性点接地非线性电阻装置 |
CN110196345A (zh) * | 2019-07-09 | 2019-09-03 | 国网宁夏电力有限公司宁东供电公司 | 电压互感器二次中性点保护装置 |
CN111224376A (zh) * | 2020-04-10 | 2020-06-02 | 湖南省湘电试研技术有限公司 | 低压配电网防触电保护方法及保护装置 |
CN114006187A (zh) * | 2021-11-09 | 2022-02-01 | 国网上海市电力公司 | 一种互感器二次侧零相安全接地装置 |
-
2007
- 2007-12-06 CN CNU2007201308091U patent/CN201122840Y/zh not_active Expired - Fee Related
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101540499B (zh) * | 2009-03-19 | 2012-05-02 | 江苏省电力公司南京供电公司 | 城市配网中值电阻接地快速选线跳闸装置及选线方法 |
CN102931650A (zh) * | 2012-11-15 | 2013-02-13 | 陈文根 | 过电压保护监测器 |
CN103269065A (zh) * | 2012-12-10 | 2013-08-28 | 江西赣东北供电公司 | 电力电压互感器谐振消除系统 |
CN103066905A (zh) * | 2012-12-30 | 2013-04-24 | 深圳市广前电力有限公司 | 燃机电厂启动中消除发电机中性点回路谐振的方法及装置 |
CN103066905B (zh) * | 2012-12-30 | 2016-02-03 | 深圳市广前电力有限公司 | 燃机电厂启动中消除发电机中性点回路谐振的方法及装置 |
CN104410058A (zh) * | 2014-11-21 | 2015-03-11 | 国家电网公司 | 一种10千伏电网中性点接地装置 |
CN108270208A (zh) * | 2016-12-30 | 2018-07-10 | 安徽新在线科技股份有限公司 | 一种发电机中性点接地非线性电阻装置 |
CN107843866A (zh) * | 2017-10-26 | 2018-03-27 | 国网四川省电力公司电力科学研究院 | 检定三相四线中性点抽出的配网互感器的接线电路及方法 |
CN110196345A (zh) * | 2019-07-09 | 2019-09-03 | 国网宁夏电力有限公司宁东供电公司 | 电压互感器二次中性点保护装置 |
CN110196345B (zh) * | 2019-07-09 | 2024-06-04 | 国网宁夏电力有限公司宁东供电公司 | 电压互感器二次中性点保护装置 |
CN111224376A (zh) * | 2020-04-10 | 2020-06-02 | 湖南省湘电试研技术有限公司 | 低压配电网防触电保护方法及保护装置 |
CN111224376B (zh) * | 2020-04-10 | 2020-09-25 | 湖南省湘电试研技术有限公司 | 低压配电网防触电保护方法及保护装置 |
CN114006187A (zh) * | 2021-11-09 | 2022-02-01 | 国网上海市电力公司 | 一种互感器二次侧零相安全接地装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201122840Y (zh) | 智能中性点电阻接地装置 | |
Tahata et al. | HVDC circuit breakers for HVDC grid applications | |
US9450394B2 (en) | Method, circuit breaker and switching unit for switching off high-voltage DC currents | |
CN2817170Y (zh) | 新型消弧消谐选线过电压保护装置 | |
CN2884641Y (zh) | 电力输配电系统过电压限制及小电流接地选线综合装置 | |
CN201323449Y (zh) | 用于电力输配电系统过电压限制的综合装置 | |
CN202353174U (zh) | 一种高压限流熔断器组合保护装置 | |
CN201478821U (zh) | 三相电力电网中性点非直接接地系统过电压保护装置 | |
CN111863465B (zh) | 一种双工位断路器及应用的直流组合电器和工作方法 | |
CN103280802B (zh) | 一种并联电抗器操作过电压治理回路及其治理方法 | |
CN102290805A (zh) | 一种应用于中压配电系统的电弧接地过压限制装置 | |
CN209184242U (zh) | 一种调度可控的配电网中性点接地装置 | |
CN201018279Y (zh) | 消弧及过电压保护装置 | |
CN2722487Y (zh) | 消弧消谐及过电压保护装置 | |
Zou et al. | Simulation on the overvoltage of 500 kV fault current limiter based on fault current capture technology | |
CN102457058A (zh) | 基于电子开关的灭弧限压装置 | |
CN110048366B (zh) | 直流限流断路装置 | |
CN210957782U (zh) | 一种基于混合型超导限流器的35kV变电站分段母线系统 | |
CN202535050U (zh) | 一种配电网中电抗与电阻的组合型接地系统 | |
CN202333773U (zh) | 高压电容器保护装置 | |
CN203135432U (zh) | 消弧消谐选线过电压保护装置 | |
CN201388042Y (zh) | 中置高压开关等高柜 | |
CN202696141U (zh) | 一种消弧消谐装置 | |
CN201611763U (zh) | 智能大容量快速限流保护装置 | |
CN2638313Y (zh) | 无功补偿及消弧消谐装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui is an electric Co., Ltd. Assignor: Xu Chengfei Contract record no.: 2010340000135 Denomination of utility model: Intelligent neutral point resistance grounding device Granted publication date: 20080924 License type: Exclusive License Record date: 20100730 |
|
ASS | Succession or assignment of patent right |
Owner name: ANHUI ZHENGCHUANG ELECTRIC CO., LTD. Free format text: FORMER OWNER: XU CHENGFEI Effective date: 20101102 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 230001 405, BUILDING 30, GUANGLI GARDEN, GUICHI ROAD, HEFEI CITY, ANHUI PROVINCE TO: 230088 ROOM 614, CHUANGYE BUILDING, NO.9, DAOXIANG ROAD, NEW INDUSTRY PARK, SHUSHAN, HEFEI CITY |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101102 Address after: 230088 Hefei City, Shushan new industrial park Daoxiang Road No. 9 Building Room 614 Patentee after: Anhui is an electric Co., Ltd. Address before: 230001 Anhui city of Hefei province Guichi road 30 garden 405 G Patentee before: Xu Chengfei |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20111206 |