CN102253308B - 依据负序电压确定长定子发生不对称短路故障的方法 - Google Patents
依据负序电压确定长定子发生不对称短路故障的方法 Download PDFInfo
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105467236B (zh) * | 2015-11-19 | 2018-01-26 | 株洲南车时代电气股份有限公司 | 一种数字量信号监测装置 |
CN106443331B (zh) * | 2016-09-08 | 2019-03-05 | 中铁第四勘察设计院集团有限公司 | 基于脉冲法的馈电接触网故障定位系统 |
CN110927621B (zh) * | 2019-11-12 | 2022-12-27 | 上海宝钢工业技术服务有限公司 | 运输链封闭摩电道轨道的接地检测定位系统 |
CN111707881B (zh) * | 2020-07-10 | 2022-08-19 | 陕西航空电气有限责任公司 | 一种三相交流电源相序识别方法及装置 |
CN112345977B (zh) * | 2020-10-21 | 2023-11-24 | 河南华润电力首阳山有限公司 | 电气设备及其pt二次回路断线判断方法、系统和装置 |
CN112462314B (zh) * | 2020-11-25 | 2023-05-30 | 青岛鼎信通讯股份有限公司 | 一种用于故障指示器的三相电压测量不对称误差消除方法 |
CN112684287B (zh) * | 2020-12-11 | 2023-07-11 | 深圳供电局有限公司 | 一种直驱风电场送出线短路故障方向的判别方法及装置 |
CN113791309A (zh) * | 2021-09-18 | 2021-12-14 | 上海交通大学 | 基于光伏逆变电源输出特性的联络线单端故障测距方法 |
Citations (4)
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DE19901789A1 (de) * | 1999-01-08 | 2000-07-13 | Siemens Ag | Verfahren zur Erdschlußrichtungsbestimmung in Energieversorgungsnetzen |
CN1405572A (zh) * | 2001-08-09 | 2003-03-26 | 西门子公司 | 辐射形电网中识别故障的方法和装置以及该方法的应用 |
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 |
CN101968525A (zh) * | 2010-10-09 | 2011-02-09 | 杭州市电力局 | 一种仿真计算与实时监测相结合的配电网故障定位方法 |
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JP2006288033A (ja) * | 2005-03-31 | 2006-10-19 | Daihen Corp | 地絡検出・表示装置及びそれを用いた地絡方向決定方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19901789A1 (de) * | 1999-01-08 | 2000-07-13 | Siemens Ag | Verfahren zur Erdschlußrichtungsbestimmung in Energieversorgungsnetzen |
CN1405572A (zh) * | 2001-08-09 | 2003-03-26 | 西门子公司 | 辐射形电网中识别故障的方法和装置以及该方法的应用 |
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 |
CN101968525A (zh) * | 2010-10-09 | 2011-02-09 | 杭州市电力局 | 一种仿真计算与实时监测相结合的配电网故障定位方法 |
Non-Patent Citations (3)
Title |
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JP特开2006-288033A 2006.10.19 |
伍叶凯等.发电机定子匝间短路保护方案的研究.《电网技术》.1998,第22卷(第09期), |
发电机定子匝间短路保护方案的研究;伍叶凯等;《电网技术》;19980930;第22卷(第09期);第40-42页 * |
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