CN104092186A - Thee-phase three-winding transformer fault relay protection method based on sudden changes of positive sequence currents - Google Patents
Thee-phase three-winding transformer fault relay protection method based on sudden changes of positive sequence currents Download PDFInfo
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- CN104092186A CN104092186A CN201410336708.4A CN201410336708A CN104092186A CN 104092186 A CN104092186 A CN 104092186A CN 201410336708 A CN201410336708 A CN 201410336708A CN 104092186 A CN104092186 A CN 104092186A
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- 230000007704 transition Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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CN201410336708.4A CN104092186B (en) | 2014-07-15 | 2014-07-15 | Thee-phase three-winding transformer fault relay protection method based on sudden changes of positive sequence currents |
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CN201410336708.4A CN104092186B (en) | 2014-07-15 | 2014-07-15 | Thee-phase three-winding transformer fault relay protection method based on sudden changes of positive sequence currents |
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CN104092186B CN104092186B (en) | 2017-02-15 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105162090A (en) * | 2015-07-15 | 2015-12-16 | 南京国电南自电网自动化有限公司 | Graded controllable high-voltage parallel reactor protecting method |
CN106786376A (en) * | 2016-11-22 | 2017-05-31 | 国网江苏省电力公司镇江供电公司 | The negative phase-sequence clockwise compensation method counterclockwise of transformer differential protection high-pressure side positive sequence |
CN106814282A (en) * | 2015-11-27 | 2017-06-09 | 中国电力科学研究院 | A kind of double-circuit line on same pole phase-selecting method |
CN111244894A (en) * | 2020-01-19 | 2020-06-05 | 南方电网科学研究院有限责任公司 | Protection method and device for transformer winding turn-to-turn short circuit and storage medium |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1725590A (en) * | 2005-06-28 | 2006-01-25 | 山东大学 | Step down transformer and relay protection method of middle low voltage side bus |
CN101764392A (en) * | 2010-01-11 | 2010-06-30 | 山东大学 | Multi-lateral current magnitude voltage magnitude based transformer relay protecting method |
CN103762554A (en) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | Fault detecting method for side windings of three-phase three-winding transformer |
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2014
- 2014-07-15 CN CN201410336708.4A patent/CN104092186B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1725590A (en) * | 2005-06-28 | 2006-01-25 | 山东大学 | Step down transformer and relay protection method of middle low voltage side bus |
CN101764392A (en) * | 2010-01-11 | 2010-06-30 | 山东大学 | Multi-lateral current magnitude voltage magnitude based transformer relay protecting method |
CN103762554A (en) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | Fault detecting method for side windings of three-phase three-winding transformer |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105162090A (en) * | 2015-07-15 | 2015-12-16 | 南京国电南自电网自动化有限公司 | Graded controllable high-voltage parallel reactor protecting method |
CN105162090B (en) * | 2015-07-15 | 2017-09-15 | 南京国电南自电网自动化有限公司 | It is classified controllable high-voltage shunt reactor guard method |
CN106814282A (en) * | 2015-11-27 | 2017-06-09 | 中国电力科学研究院 | A kind of double-circuit line on same pole phase-selecting method |
CN106814282B (en) * | 2015-11-27 | 2020-01-17 | 中国电力科学研究院 | Phase selection method for double circuit lines on same pole |
CN106786376A (en) * | 2016-11-22 | 2017-05-31 | 国网江苏省电力公司镇江供电公司 | The negative phase-sequence clockwise compensation method counterclockwise of transformer differential protection high-pressure side positive sequence |
CN111244894A (en) * | 2020-01-19 | 2020-06-05 | 南方电网科学研究院有限责任公司 | Protection method and device for transformer winding turn-to-turn short circuit and storage medium |
CN111244894B (en) * | 2020-01-19 | 2021-05-14 | 南方电网科学研究院有限责任公司 | Protection method and device for transformer winding turn-to-turn short circuit and storage medium |
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Owner name: STATE GRID FUJIAN ELECTRIC POWER CO., LTD. MAINTEN Free format text: FORMER OWNER: STATE GRID FUJIAN ELECTRIC POWER CO., LTD. MAINTENANCE BRANCH COMPANY OF STATE GRID FUJIAN ELECTRIC POWER COMPANY Effective date: 20140929 |
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Inventor after: Zeng Huimin Inventor after: Lin Fuhong Inventor before: Zeng Huimin |
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Effective date of registration: 20140929 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID FUJIAN MAINTENANCE Co. Applicant after: STATE GRID PUTIAN ELECTRIC POWER SUPPLY Co. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Applicant before: STATE GRID FUJIAN MAINTENANCE Co. |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Co-patentee after: STATE GRID FUJIAN MAINTENANCE Co. Co-patentee after: STATE GRID PUTIAN ELECTRIC POWER SUPPLY 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. |
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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. |