CN1327235C - 直流系统接地故障的探测方法 - Google Patents
直流系统接地故障的探测方法 Download PDFInfo
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- CN1327235C CN1327235C CNB021088012A CN02108801A CN1327235C CN 1327235 C CN1327235 C CN 1327235C CN B021088012 A CNB021088012 A CN B021088012A CN 02108801 A CN02108801 A CN 02108801A CN 1327235 C CN1327235 C CN 1327235C
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- signal
- capacitance
- harmonic
- voltage signal
- resistance
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB021088012A CN1327235C (zh) | 2002-03-24 | 2002-04-01 | 直流系统接地故障的探测方法 |
Applications Claiming Priority (3)
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CN02213571.5 | 2002-03-24 | ||
CN02213571 | 2002-03-24 | ||
CNB021088012A CN1327235C (zh) | 2002-03-24 | 2002-04-01 | 直流系统接地故障的探测方法 |
Publications (2)
Publication Number | Publication Date |
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CN1447124A CN1447124A (zh) | 2003-10-08 |
CN1327235C true CN1327235C (zh) | 2007-07-18 |
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CNB021088012A Expired - Fee Related CN1327235C (zh) | 2002-03-24 | 2002-04-01 | 直流系统接地故障的探测方法 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101981774B (zh) * | 2008-04-03 | 2014-06-25 | 西门子公司 | 用于产生故障信号的方法、装置和现场设备 |
EP2482088B1 (en) * | 2009-09-24 | 2018-11-07 | Nissan Motor Co., Ltd. | Apparatus and method for detecting abnormality of high voltage circuit |
CN103091606B (zh) * | 2013-02-28 | 2015-05-20 | 绥化电业局 | 高抗干扰能力的直流系统接地故障检测方法 |
CN104569729B (zh) * | 2015-01-29 | 2019-05-31 | 深圳市科陆电子科技股份有限公司 | 基于故障指示器的配电网单相接地故障检测方法及系统 |
CN105372555B (zh) * | 2015-11-05 | 2018-04-06 | 国网山西省电力公司大同供电公司 | 一种具有故障位置检测功能的电力监控系统 |
CN109239441A (zh) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | 钳表回路切换装置及钳表 |
CN109490688B (zh) * | 2018-11-12 | 2020-10-02 | 国网河南省电力公司修武县供电公司 | 一种直流系统的辅助装置 |
CN112816829B (zh) * | 2020-07-01 | 2023-07-14 | 广东电网有限责任公司揭阳供电局 | 一种故障定位的分析装置及分析方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86103090A (zh) * | 1986-05-12 | 1987-02-25 | 宁景云 | 直流接地故障点的监测方法及装置 |
JPS6412652A (en) * | 1987-07-06 | 1989-01-17 | Tokyo Gas Co Ltd | Terminal equipment for automatic meter reading |
JPH01153977A (ja) * | 1987-12-11 | 1989-06-16 | Toko Denki Kk | 多重接地配電線の事故箇所探査装置 |
CA1287884C (en) * | 1987-01-15 | 1991-08-20 | Donald I. Jeerings | High impedance fault analyzer in electric power |
CN1023621C (zh) * | 1992-06-22 | 1994-01-26 | 华北电力学院 | 直流系统接地故障的探测方法及探测装置 |
CN2228236Y (zh) * | 1994-12-31 | 1996-05-29 | 戴祖明 | 直流系统绝缘故障在线监测报警及故障点定位装置 |
JPH09145759A (ja) * | 1995-11-28 | 1997-06-06 | Mitsubishi Electric Corp | 酸化亜鉛形避雷器の漏れ電流検出装置 |
JPH10197593A (ja) * | 1997-01-07 | 1998-07-31 | Furukawa Electric Co Ltd:The | 電力ケーブルの劣化判定方法 |
-
2002
- 2002-04-01 CN CNB021088012A patent/CN1327235C/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86103090A (zh) * | 1986-05-12 | 1987-02-25 | 宁景云 | 直流接地故障点的监测方法及装置 |
CA1287884C (en) * | 1987-01-15 | 1991-08-20 | Donald I. Jeerings | High impedance fault analyzer in electric power |
JPS6412652A (en) * | 1987-07-06 | 1989-01-17 | Tokyo Gas Co Ltd | Terminal equipment for automatic meter reading |
JPH01153977A (ja) * | 1987-12-11 | 1989-06-16 | Toko Denki Kk | 多重接地配電線の事故箇所探査装置 |
CN1023621C (zh) * | 1992-06-22 | 1994-01-26 | 华北电力学院 | 直流系统接地故障的探测方法及探测装置 |
CN2228236Y (zh) * | 1994-12-31 | 1996-05-29 | 戴祖明 | 直流系统绝缘故障在线监测报警及故障点定位装置 |
JPH09145759A (ja) * | 1995-11-28 | 1997-06-06 | Mitsubishi Electric Corp | 酸化亜鉛形避雷器の漏れ電流検出装置 |
JPH10197593A (ja) * | 1997-01-07 | 1998-07-31 | Furukawa Electric Co Ltd:The | 電力ケーブルの劣化判定方法 |
Also Published As
Publication number | Publication date |
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CN1447124A (zh) | 2003-10-08 |
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Owner name: SHANDONG KEHUI POWER AUTOMATION CO., LTD. Free format text: FORMER NAME: ZIBO KEHUI ELECTRIC CO., LTD. |
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Address after: 255087 Shandong Province, Zibo city Zhangdian District Fang Zhen win Road No. 16 Patentee after: Shandong Kehui Electric Co., Ltd. Address before: 255031 Shandong Province, Zibo city Zhangdian District No. 4 lane two Willow Road West Patentee before: Kehui Electrics Co., Ltd., Zibo |
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