CN101931212A - Transformer self-adaptive protector and protection method thereof - Google Patents
Transformer self-adaptive protector and protection method thereof Download PDFInfo
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- CN101931212A CN101931212A CN 201010265481 CN201010265481A CN101931212A CN 101931212 A CN101931212 A CN 101931212A CN 201010265481 CN201010265481 CN 201010265481 CN 201010265481 A CN201010265481 A CN 201010265481A CN 101931212 A CN101931212 A CN 101931212A
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CN 201010265481 CN101931212B (en) | 2010-08-27 | 2010-08-27 | Transformer self-adaptive protector and protection method thereof |
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CN101931212A true CN101931212A (en) | 2010-12-29 |
CN101931212B CN101931212B (en) | 2012-12-12 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102255283A (en) * | 2011-07-22 | 2011-11-23 | 重庆电力高等专科学校 | Current fault component vector phase comparison protection method |
CN103336197A (en) * | 2013-06-20 | 2013-10-02 | 国家电网公司 | Distinguishing method of inrush current blocking of transformer |
CN103579999A (en) * | 2012-07-30 | 2014-02-12 | 国电南瑞科技股份有限公司 | High-sampling-rate method for sampling value differential protection of multi-section type self-adaption transformer |
CN104330689A (en) * | 2014-10-16 | 2015-02-04 | 国家电网公司 | Winding state evaluation method in the condition of transformer external fault |
CN105548938A (en) * | 2015-11-27 | 2016-05-04 | 国网宁夏电力公司电力科学研究院 | Voltage transformer error reckoning method under actual operation load |
CN106356814A (en) * | 2016-09-07 | 2017-01-25 | 南京南瑞继保电气有限公司 | Series transformer winding overvoltage protection method based on voltage vector difference |
CN106786412A (en) * | 2016-09-29 | 2017-05-31 | 国家电网公司 | A kind of high-speed switch type variable impedance transformer adaptive Current Protection method |
CN109462249A (en) * | 2018-08-30 | 2019-03-12 | 昆明理工大学 | It is a kind of meter and crow bar protection act double-fed blower unsymmetrical short-circuit electric current analytic method |
CN110361628A (en) * | 2019-06-24 | 2019-10-22 | 昆明理工大学 | A kind of MMC direct current transmission line fault recognition methods based on SOD transformation |
CN111162506A (en) * | 2020-01-13 | 2020-05-15 | 华电国际电力股份有限公司邹县发电厂 | Double-speed motor protection measurement and control device |
CN111478284A (en) * | 2020-04-13 | 2020-07-31 | 国网江西省电力有限公司电力科学研究院 | Transformer differential quick-break protection setting method and device |
CN113346457A (en) * | 2021-06-30 | 2021-09-03 | 国网电力科学研究院有限公司 | Transformer trip protection method, system, storage medium and computing equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101488660A (en) * | 2008-01-17 | 2009-07-22 | 浙江省电力公司 | Adaptive determination method for differentiating inrush current and failure current of transformer |
-
2010
- 2010-08-27 CN CN 201010265481 patent/CN101931212B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101488660A (en) * | 2008-01-17 | 2009-07-22 | 浙江省电力公司 | Adaptive determination method for differentiating inrush current and failure current of transformer |
Non-Patent Citations (4)
Title |
---|
《中国电机工程学报》 20060531 郝治国等 基于等值回路平衡方程的变压器保护原理 67-72 1-7 第26卷, 第10期 2 * |
《电力自动化设备》 20021231 李娟等 电力变压器状态在线监测和故障诊断的新方法 60-63 1-7 第22卷, 第12期 2 * |
《继电器》 20061201 褚云龙等 基于变压器模型的变压器保护原理研究 1-5,10 1-7 第34卷, 第23期 2 * |
《高电压技术》 20061130 郝治国等 漏电感参数辨识技术在线监测变压器绕组变形 67-70 1-7 第32卷, 第11期 2 * |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102255283B (en) * | 2011-07-22 | 2013-11-13 | 重庆电力高等专科学校 | Current fault component vector phase comparison protection method |
CN102255283A (en) * | 2011-07-22 | 2011-11-23 | 重庆电力高等专科学校 | Current fault component vector phase comparison protection method |
CN103579999A (en) * | 2012-07-30 | 2014-02-12 | 国电南瑞科技股份有限公司 | High-sampling-rate method for sampling value differential protection of multi-section type self-adaption transformer |
CN103579999B (en) * | 2012-07-30 | 2016-09-07 | 国电南瑞科技股份有限公司 | Multisection type self adaptation high sampling rate transformer sampling value differential protection method |
CN103336197A (en) * | 2013-06-20 | 2013-10-02 | 国家电网公司 | Distinguishing method of inrush current blocking of transformer |
CN103336197B (en) * | 2013-06-20 | 2017-06-30 | 国家电网公司 | A kind of method of discrimination of inrush current of transformer locking |
CN104330689A (en) * | 2014-10-16 | 2015-02-04 | 国家电网公司 | Winding state evaluation method in the condition of transformer external fault |
CN105548938A (en) * | 2015-11-27 | 2016-05-04 | 国网宁夏电力公司电力科学研究院 | Voltage transformer error reckoning method under actual operation load |
CN106356814B (en) * | 2016-09-07 | 2018-10-16 | 南京南瑞继保电气有限公司 | A kind of series transformer winding over-voltage protection method based on voltage vector difference |
CN106356814A (en) * | 2016-09-07 | 2017-01-25 | 南京南瑞继保电气有限公司 | Series transformer winding overvoltage protection method based on voltage vector difference |
CN106786412A (en) * | 2016-09-29 | 2017-05-31 | 国家电网公司 | A kind of high-speed switch type variable impedance transformer adaptive Current Protection method |
CN109462249A (en) * | 2018-08-30 | 2019-03-12 | 昆明理工大学 | It is a kind of meter and crow bar protection act double-fed blower unsymmetrical short-circuit electric current analytic method |
CN110361628A (en) * | 2019-06-24 | 2019-10-22 | 昆明理工大学 | A kind of MMC direct current transmission line fault recognition methods based on SOD transformation |
CN111162506A (en) * | 2020-01-13 | 2020-05-15 | 华电国际电力股份有限公司邹县发电厂 | Double-speed motor protection measurement and control device |
CN111162506B (en) * | 2020-01-13 | 2022-02-18 | 华电国际电力股份有限公司邹县发电厂 | Double-speed motor protection measurement and control device |
CN111478284A (en) * | 2020-04-13 | 2020-07-31 | 国网江西省电力有限公司电力科学研究院 | Transformer differential quick-break protection setting method and device |
CN111478284B (en) * | 2020-04-13 | 2022-04-12 | 国网江西省电力有限公司电力科学研究院 | Transformer differential quick-break protection setting method and device |
CN113346457A (en) * | 2021-06-30 | 2021-09-03 | 国网电力科学研究院有限公司 | Transformer trip protection method, system, storage medium and computing equipment |
CN113346457B (en) * | 2021-06-30 | 2022-08-26 | 国网电力科学研究院有限公司 | Transformer trip protection method, system, storage medium and computing equipment |
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CN101931212B (en) | 2012-12-12 |
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Inventor after: Hao Zhiguo Inventor after: Zhang Baohui Inventor after: Yan Chenguang Inventor after: Ren Xiaofei Inventor after: Liu Zhiyuan Inventor after: Wang Xiaoli Inventor before: Hao Zhiguo Inventor before: Zhang Baohui Inventor before: Yan Chenguang Inventor before: Ren Xiaofei |
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Free format text: CORRECT: INVENTOR; FROM: HAO ZHIGUO ZHANG BAOHUI YAN CHENGUANG REN XIAOFEI TO: HAO ZHIGUO ZHANG BAOHUI YAN CHENGUANG REN XIAOFEI LIU ZHIYUAN WANG XIAOLI |
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Effective date of registration: 20121126 Address after: 710049 Xianning West Road, Shaanxi, China, No. 28, No. Patentee after: Xi'an Jiaotong University Patentee after: Ningxia Electric Power Company Address before: 710049 Xianning West Road, Shaanxi, China, No. 28, No. Patentee before: Xi'an Jiaotong University |
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