CN103779850B - Based on directly adopting straight jumping communication mode double-circuit line single-phase earthing distance protecting method - Google Patents
Based on directly adopting straight jumping communication mode double-circuit line single-phase earthing distance protecting method Download PDFInfo
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- CN103779850B CN103779850B CN201410054067.3A CN201410054067A CN103779850B CN 103779850 B CN103779850 B CN 103779850B CN 201410054067 A CN201410054067 A CN 201410054067A CN 103779850 B CN103779850 B CN 103779850B
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CN201410054067.3A CN103779850B (en) | 2014-02-18 | 2014-02-18 | Based on directly adopting straight jumping communication mode double-circuit line single-phase earthing distance protecting method |
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CN201410054067.3A CN103779850B (en) | 2014-02-18 | 2014-02-18 | Based on directly adopting straight jumping communication mode double-circuit line single-phase earthing distance protecting method |
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CN103779850A CN103779850A (en) | 2014-05-07 |
CN103779850B true CN103779850B (en) | 2016-04-06 |
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CN104953566A (en) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | Voltage protection method for non-homonymic phase overline grounding fault of double-circuit line with full transient action characteristic |
CN117277230B (en) * | 2023-08-18 | 2024-07-12 | 国家电网有限公司华东分部 | Single-phase grounding distance protection method and device, storage medium and computer equipment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101814730A (en) * | 2009-04-15 | 2010-08-25 | 河南省电力公司 | Fault phase selection method of double transmission line protection on the same pole |
CN102279345A (en) * | 2011-03-09 | 2011-12-14 | 天津大学 | Comprehensive phase selecting method for common-tower parallel transmission lines |
CN103219711A (en) * | 2013-03-06 | 2013-07-24 | 福建省电力有限公司 | Grounding fault distance protecting method of double circuit lines on same tower |
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JP3882425B2 (en) * | 1999-10-19 | 2007-02-14 | 株式会社明電舎 | Protective relay system for ring line system |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101814730A (en) * | 2009-04-15 | 2010-08-25 | 河南省电力公司 | Fault phase selection method of double transmission line protection on the same pole |
CN102279345A (en) * | 2011-03-09 | 2011-12-14 | 天津大学 | Comprehensive phase selecting method for common-tower parallel transmission lines |
CN103219711A (en) * | 2013-03-06 | 2013-07-24 | 福建省电力有限公司 | Grounding fault distance protecting method of double circuit lines on same tower |
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Address after: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Co-patentee after: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. Address before: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Co-patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee before: State Grid Corporation of China Co-patentee before: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. |
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Address after: 351100 No. 999, South Garden Road, Xia Lin Street, Chengxiang District, Putian, Fujian Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. Co-patentee after: STATE GRID CORPORATION OF CHINA Address before: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Co-patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee before: State Grid Corporation of China Co-patentee before: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. |
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