CN103293437B - 同步发电机转子匝间故障时定子绕组电流特征的提取方法 - Google Patents
同步发电机转子匝间故障时定子绕组电流特征的提取方法 Download PDFInfo
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EP3787140A1 (en) * | 2019-08-28 | 2021-03-03 | Schweitzer Engineering Laboratories, Inc. | Generator rotor turn-to-turn fault detection using fractional harmonics |
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CN104345247B (zh) * | 2014-10-20 | 2017-12-15 | 中国南方电网有限责任公司调峰调频发电公司 | 抽水蓄能发电电动机励磁绕组匝间短路故障在线监测方法 |
CN109581142B (zh) * | 2019-01-25 | 2020-06-09 | 广东电网有限责任公司 | 一种新型多维度融合的高压发电机组定子单相接地故障检测方法 |
CN110470957B (zh) * | 2019-08-16 | 2021-11-12 | 国网河北省电力有限公司电力科学研究院 | 一种发电机绝缘故障综合检测诊断系统 |
CN113391235B (zh) * | 2021-06-04 | 2022-07-19 | 华北电力大学(保定) | 一种同步发电机转子动态匝间短路故障检测系统及方法 |
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US5473241A (en) * | 1994-07-26 | 1995-12-05 | Allen-Bradley Company, Inc. | Method and apparatus for RMS measurements in induction motor without sampling |
CN101025434A (zh) * | 2007-03-28 | 2007-08-29 | 华北电力大学 | 异步电动机定子绕组匝间短路故障在线检测方法及装置 |
CN101702512B (zh) * | 2009-11-20 | 2011-11-09 | 清华大学 | 汽轮发电机定子绕组内部故障的负序阻抗方向保护方法 |
CN102044862B (zh) * | 2010-12-10 | 2013-05-22 | 清华大学 | 水轮发电机转子绕组匝间短路的故障特征提取方法 |
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EP3787140A1 (en) * | 2019-08-28 | 2021-03-03 | Schweitzer Engineering Laboratories, Inc. | Generator rotor turn-to-turn fault detection using fractional harmonics |
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Inventor after: Zhang Qixue Inventor after: Chen Jun Inventor after: Wang Kai Inventor after: Li Guitao Inventor after: Yan Wei Inventor after: Wang Shesheng Inventor after: Shen Quanrong Inventor after: Yang Haixue Inventor after: Li Demin Inventor before: Zhang Qixue Inventor before: Chen Jun Inventor before: Wang Kai Inventor before: Yan Wei Inventor before: Shen Quanrong |
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Effective date of registration: 20161122 Address after: Jiangning District of Nanjing City, Jiangsu province 211102 Su Yuan Road No. 69 Patentee after: Nanrui Relay Protection Electricity Co., Ltd., Nanjing Patentee after: Shahe Jiangsu Pumped Storage Power Generation Co., Ltd. Patentee after: Nanjing Nari-Relays Engineering Technology Co., Ltd. Address before: Jiangning District of Nanjing City, Jiangsu province 211102 Su Yuan Road No. 69 Patentee before: Nanrui Relay Protection Electricity Co., Ltd., Nanjing Patentee before: Nanjing Nari-Relays Engineering Technology Co., Ltd. |