CN104049182A - 同杆并架双回线路单相接地故障类型诊断方法 - Google Patents
同杆并架双回线路单相接地故障类型诊断方法 Download PDFInfo
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104950228A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 同杆并架双回线路单相接地故障点过渡电阻值测量方法 |
CN104950223A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 基于接地电阻实测的双回线路非同名相跨线高阻接地故障判别方法 |
CN104950219A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 双回线路非同名相跨线接地故障类型诊断方法 |
CN112186719A (zh) * | 2020-07-16 | 2021-01-05 | 福建省宏科电力科技有限公司 | 一种零序电流保护定值的自适应选择方法 |
CN112505585A (zh) * | 2020-11-27 | 2021-03-16 | 广东电网有限责任公司佛山供电局 | 一种同杆并架双回线小电流接地故障选线方法 |
Citations (5)
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US20080284447A1 (en) * | 2007-05-18 | 2008-11-20 | Abb Technology Ag | Method for determining location of phase-to earth fault |
CN102707197A (zh) * | 2012-06-11 | 2012-10-03 | 福建省电力有限公司检修分公司 | 一种输电线路单相接地故障距离测定方法及故障类型诊断方法 |
CN103149493A (zh) * | 2013-01-31 | 2013-06-12 | 福建省电力有限公司 | 一种输电线路单相接地故障类型诊断方法 |
CN103163413A (zh) * | 2013-03-06 | 2013-06-19 | 福建省电力有限公司 | 一种特高压交流输电线路单相接地故障类型诊断方法 |
CN103176032A (zh) * | 2013-03-06 | 2013-06-26 | 福建省电力有限公司 | 一种特高压交流输电线路单相接地故障点电压测量方法 |
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- 2014-07-09 CN CN201410326047.7A patent/CN104049182B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080284447A1 (en) * | 2007-05-18 | 2008-11-20 | Abb Technology Ag | Method for determining location of phase-to earth fault |
CN102707197A (zh) * | 2012-06-11 | 2012-10-03 | 福建省电力有限公司检修分公司 | 一种输电线路单相接地故障距离测定方法及故障类型诊断方法 |
CN103149493A (zh) * | 2013-01-31 | 2013-06-12 | 福建省电力有限公司 | 一种输电线路单相接地故障类型诊断方法 |
CN103163413A (zh) * | 2013-03-06 | 2013-06-19 | 福建省电力有限公司 | 一种特高压交流输电线路单相接地故障类型诊断方法 |
CN103176032A (zh) * | 2013-03-06 | 2013-06-26 | 福建省电力有限公司 | 一种特高压交流输电线路单相接地故障点电压测量方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104950228A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 同杆并架双回线路单相接地故障点过渡电阻值测量方法 |
CN104950223A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 基于接地电阻实测的双回线路非同名相跨线高阻接地故障判别方法 |
CN104950219A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 双回线路非同名相跨线接地故障类型诊断方法 |
CN112186719A (zh) * | 2020-07-16 | 2021-01-05 | 福建省宏科电力科技有限公司 | 一种零序电流保护定值的自适应选择方法 |
CN112505585A (zh) * | 2020-11-27 | 2021-03-16 | 广东电网有限责任公司佛山供电局 | 一种同杆并架双回线小电流接地故障选线方法 |
CN112505585B (zh) * | 2020-11-27 | 2022-05-10 | 广东电网有限责任公司佛山供电局 | 一种同杆并架双回线小电流接地故障选线方法 |
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Address after: 351100 Putian province Fujian city Chengxiang District Nanyuan Xia Lin Street Road No. 999 Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Co-patentee after: STATE GRID FUJIAN MAINTENANCE Co. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA Co-patentee before: STATE GRID FUJIAN MAINTENANCE Co. Co-patentee before: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. |