CN101505051B - 基于负序电压分布的发电机定子匝间短路保护方法 - Google Patents
基于负序电压分布的发电机定子匝间短路保护方法 Download PDFInfo
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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 |
CN102692583B (zh) * | 2012-06-19 | 2014-06-11 | 国电大渡河检修安装有限公司 | 多支路发电机定子绕组接地短路点的查找方法 |
EP3069426B1 (en) * | 2013-11-13 | 2018-08-22 | Siemens Aktiengesellschaft | Method and apparatus of reactor turn-to-turn protection |
CN104808105B (zh) * | 2014-01-27 | 2017-10-13 | 南京南瑞继保电气有限公司 | 发电机机端电压互感器匝间短路在线判别方法 |
CN104795792B (zh) * | 2015-04-23 | 2019-01-01 | 许继集团有限公司 | 一种发电机负序分量的故障判别方法 |
CN106505524B (zh) * | 2016-12-01 | 2019-01-11 | 国网浙江省电力公司电力科学研究院 | 一种发电厂非全相保护方法 |
CN114137412B (zh) * | 2021-11-29 | 2024-04-09 | 国家能源集团谏壁发电厂 | 一种汽轮机发电机组定子冷却水水质异常的检测方法 |
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CN1402401A (zh) * | 2002-08-26 | 2003-03-12 | 南京南瑞继保电气有限公司 | 浮动门槛和电流比率制动相结合的发电机匝间保护方法 |
CN1632999A (zh) * | 2005-01-14 | 2005-06-29 | 北京四方继保自动化股份有限公司 | 故障分量启动稳态量保持的负序方向匝间保护 |
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 |
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CN1402401A (zh) * | 2002-08-26 | 2003-03-12 | 南京南瑞继保电气有限公司 | 浮动门槛和电流比率制动相结合的发电机匝间保护方法 |
CN1632999A (zh) * | 2005-01-14 | 2005-06-29 | 北京四方继保自动化股份有限公司 | 故障分量启动稳态量保持的负序方向匝间保护 |
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 |
Non-Patent Citations (2)
Title |
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王维俭等.大型发电机定子绕组匝间短路保护的讨论.《电力自动化设备》.2000,第20卷(第3期),1-3. * |
鲁荣海.发电机匝间保护负序方向元件动作的向量检查.《河北电力技术》.1995,(第1期),35-39. * |
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