CN1123778C - 一种寻找单相接地故障的方法及探测器 - Google Patents
一种寻找单相接地故障的方法及探测器 Download PDFInfo
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- CN1123778C CN1123778C CN 01109726 CN01109726A CN1123778C CN 1123778 C CN1123778 C CN 1123778C CN 01109726 CN01109726 CN 01109726 CN 01109726 A CN01109726 A CN 01109726A CN 1123778 C CN1123778 C CN 1123778C
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- switch
- transformer
- resistance
- earth fault
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- Locating Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Application Number | Priority Date | Filing Date | Title |
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CN 01109726 CN1123778C (zh) | 2001-03-23 | 2001-03-23 | 一种寻找单相接地故障的方法及探测器 |
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CN 01109726 CN1123778C (zh) | 2001-03-23 | 2001-03-23 | 一种寻找单相接地故障的方法及探测器 |
Publications (2)
Publication Number | Publication Date |
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CN1309300A CN1309300A (zh) | 2001-08-22 |
CN1123778C true CN1123778C (zh) | 2003-10-08 |
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CN 01109726 Expired - Lifetime CN1123778C (zh) | 2001-03-23 | 2001-03-23 | 一种寻找单相接地故障的方法及探测器 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7180300B2 (en) * | 2004-12-10 | 2007-02-20 | General Electric Company | System and method of locating ground fault in electrical power distribution system |
CN101387682A (zh) | 2008-10-27 | 2009-03-18 | 清华大学 | 基于剩余电流谐波分量的单相接地故障检测方法 |
CN102937675B (zh) * | 2012-10-22 | 2015-12-02 | 江苏省电力公司常州供电公司 | 配电网实时数据采集和故障定位系统的工作方法 |
CN107064732A (zh) * | 2017-03-13 | 2017-08-18 | 安徽天电气技术股份有限公司 | 一种线电压驱动单电阻接地故障选线装置 |
CN106814280A (zh) * | 2017-03-13 | 2017-06-09 | 安徽天电气技术股份有限公司 | 一种三电阻线电压驱动接地故障选线装置 |
CN113725811B (zh) * | 2020-12-12 | 2023-12-05 | 保定钰鑫电气科技有限公司 | 一种非有效接地系统单相接地的处理方法 |
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2001
- 2001-03-23 CN CN 01109726 patent/CN1123778C/zh not_active Expired - Lifetime
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CN1309300A (zh) | 2001-08-22 |
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Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING HEZONG SHIKE POWER TECHNOLOGY CO.LTD. Free format text: FORMER OWNER: HEZONG SCIENCE AND TECHNOLOGY CO., LTD, BEIJING Effective date: 20070817 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070817 Address after: 101500 No. 53, science and technology road, Miyun Industrial Development Zone, Beijing, China Patentee after: Beijing Hezong Shike Electric Power Technology Co., Ltd. Address before: 100085 314 hall, No. 19 information road, Beijing, Haidian District Patentee before: Hezong Science and Technology Co., Ltd, Beijing |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20031008 |