CN104078934B - 变压器差动电流保护装置防误动继电保护方法 - Google Patents
变压器差动电流保护装置防误动继电保护方法 Download PDFInfo
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CN104362590B (zh) * | 2014-10-08 | 2018-05-04 | 许继集团有限公司 | 主变分侧差动保护公共绕组ct传变异常的识别方法 |
CN104319736B (zh) * | 2014-10-17 | 2017-02-15 | 许继集团有限公司 | 一种特高压变压器差动保护方法 |
CN105785157B (zh) * | 2014-12-26 | 2019-01-11 | 中国二十冶集团有限公司 | 双主变纵联差动保护合环测试方法 |
CN106384995B (zh) * | 2016-11-17 | 2019-05-31 | 国家电网公司 | 一种差动保护闭锁方法及装置 |
CN108963975B (zh) * | 2018-06-22 | 2019-11-12 | 许继集团有限公司 | 一种特高压变压器差动保护方法及装置 |
CN112787308B (zh) * | 2021-01-25 | 2022-03-29 | 华南理工大学 | 基于差动电流占空比的变压器差动保护方法、系统及介质 |
CN113922327B (zh) * | 2021-09-27 | 2024-04-12 | 珠海万力达电气自动化有限公司 | 一种高精度差动保护方法及差动保护装置 |
CN118091480B (zh) * | 2024-04-19 | 2024-07-09 | 青岛元通电子有限公司 | 一种电源故障检测方法 |
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CN1725590A (zh) * | 2005-06-28 | 2006-01-25 | 山东大学 | 一种降压变压器及其中低压侧母线的继电保护方法 |
CN101764392A (zh) * | 2010-01-11 | 2010-06-30 | 山东大学 | 基于多侧电流量电压量的变压器继电保护方法 |
CN103762554A (zh) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | 三相三绕组变压器分侧绕组故障检测方法 |
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CN1725590A (zh) * | 2005-06-28 | 2006-01-25 | 山东大学 | 一种降压变压器及其中低压侧母线的继电保护方法 |
CN101764392A (zh) * | 2010-01-11 | 2010-06-30 | 山东大学 | 基于多侧电流量电压量的变压器继电保护方法 |
CN103762554A (zh) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | 三相三绕组变压器分侧绕组故障检测方法 |
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