CN103779847A - Same-pole double-circuit line one-phase ground voltage ratio phase protection method based on SV network sampling - Google Patents
Same-pole double-circuit line one-phase ground voltage ratio phase protection method based on SV network sampling Download PDFInfo
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CN201410053655.5A CN103779847B (en) | 2014-02-18 | 2014-02-18 | Based on the guard method of SV network samples common-tower double-circuit lines single-phase earthing voltage ratio phase |
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CN201410053655.5A CN103779847B (en) | 2014-02-18 | 2014-02-18 | Based on the guard method of SV network samples common-tower double-circuit lines single-phase earthing voltage ratio phase |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104052035A (en) * | 2014-07-09 | 2014-09-17 | 国家电网公司 | Same-tower double-circuit line single-phase grounded reactance relay |
CN104090213A (en) * | 2014-07-25 | 2014-10-08 | 国家电网公司 | Double-circuit-line non-same-name phase overline ground fault positioning method |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101593964A (en) * | 2009-06-30 | 2009-12-02 | 许继电气股份有限公司 | The method for longitudinal zero-sequence power direction protection of double-circuit lines on the same pole |
CN101813736A (en) * | 2009-04-15 | 2010-08-25 | 河南省电力公司 | Distance protection measurement method of double-circuit line on the same pole |
CN102023275A (en) * | 2010-09-27 | 2011-04-20 | 华北电力大学 | Circuit single-end ranging method based on phase aberration characteristic of positioning function |
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2014
- 2014-02-18 CN CN201410053655.5A patent/CN103779847B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101813736A (en) * | 2009-04-15 | 2010-08-25 | 河南省电力公司 | Distance protection measurement method of double-circuit line on the same pole |
CN101593964A (en) * | 2009-06-30 | 2009-12-02 | 许继电气股份有限公司 | The method for longitudinal zero-sequence power direction protection of double-circuit lines on the same pole |
CN102023275A (en) * | 2010-09-27 | 2011-04-20 | 华北电力大学 | Circuit single-end ranging method based on phase aberration characteristic of positioning function |
Non-Patent Citations (2)
Title |
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所南加乐: "利用单端电流的同杆双回线准确故障定位研究", 《中国电机工程学报》 * |
毕天姝: "基于单端单回线电气量的同杆双回线单相接地距离保护", 《电力系统自动化》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104052035A (en) * | 2014-07-09 | 2014-09-17 | 国家电网公司 | Same-tower double-circuit line single-phase grounded reactance relay |
CN104052035B (en) * | 2014-07-09 | 2017-02-15 | 国家电网公司 | Same-tower double-circuit line single-phase grounded reactance relay |
CN104090213A (en) * | 2014-07-25 | 2014-10-08 | 国家电网公司 | Double-circuit-line non-same-name phase overline ground fault positioning method |
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 |
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CN103779847B (en) | 2016-04-06 |
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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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Effective date of registration: 20181204 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. |