CN100521434C - 一种抑制交流变压器直流偏磁电流的装置 - Google Patents
一种抑制交流变压器直流偏磁电流的装置 Download PDFInfo
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CN1885658A CN1885658A (zh) | 2006-12-27 |
CN100521434C true CN100521434C (zh) | 2009-07-29 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100574038C (zh) * | 2007-03-30 | 2009-12-23 | 马志强 | 一种消减高压电网变压器中性点直流电流的电位补偿方法 |
CN101383500B (zh) * | 2008-07-03 | 2012-10-03 | 上海市电力公司 | 用单独接地网抑制变压器中性点直流偏磁的方法及其装置 |
CN102025144B (zh) * | 2009-09-22 | 2014-04-09 | 华东电力试验研究院有限公司 | 降低地中直流对交流变电站影响的方法 |
CN101710697B (zh) * | 2009-11-17 | 2012-05-16 | 江苏省电力试验研究院有限公司 | 抑制变压器中性点直流电流的方法 |
CN102005274B (zh) * | 2010-09-09 | 2012-11-07 | 华东电力试验研究院有限公司 | 变压器中性点直流偏磁抑制电阻器 |
CN102420045B (zh) * | 2010-09-28 | 2015-10-21 | 华东电力试验研究院有限公司 | 直流偏磁抑制器 |
CN103296671B (zh) * | 2013-04-09 | 2016-08-10 | 国家电网公司 | 用于柔性直流输电系统交流侧过电压保护装置及保护方法 |
CN103514320B (zh) * | 2013-07-25 | 2016-08-10 | 国家电网公司 | 一种多直流落点地区变压器直流偏磁的仿真方法 |
CN104374990B (zh) * | 2014-12-02 | 2017-11-28 | 国家电网公司 | 一种进行大地电位差监测的系统及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2088754U (zh) * | 1990-10-13 | 1991-11-13 | 武汉水利电力学院 | 中性点不接地电网中互感器谐振的抑制装置 |
CN1514522A (zh) * | 2003-02-26 | 2004-07-21 | 罗明览 | 单相接地补偿检测装置 |
CN1625010A (zh) * | 2004-12-10 | 2005-06-08 | 江苏省电力科学研究院有限公司 | 反向电流法限制变压器中性点直流电流的方法 |
CN2907023Y (zh) * | 2006-05-19 | 2007-05-30 | 南方电网技术研究中心 | 一种抑制交流变压器直流偏磁电流的装置 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2088754U (zh) * | 1990-10-13 | 1991-11-13 | 武汉水利电力学院 | 中性点不接地电网中互感器谐振的抑制装置 |
CN1514522A (zh) * | 2003-02-26 | 2004-07-21 | 罗明览 | 单相接地补偿检测装置 |
CN1625010A (zh) * | 2004-12-10 | 2005-06-08 | 江苏省电力科学研究院有限公司 | 反向电流法限制变压器中性点直流电流的方法 |
CN2907023Y (zh) * | 2006-05-19 | 2007-05-30 | 南方电网技术研究中心 | 一种抑制交流变压器直流偏磁电流的装置 |
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