多分支配电网故障精确定位分析-(5747)

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1、华中科技大学硕士学位论文AlargenumberofPSACDSimulationresultsshowthatthismethodproposedinthispaperisaccurateandreliableinjudgmenttosmallcurrentgroundingfault,andthenewcorrectionalgorithmhasimprovedtheaccuracyoftravellingwavemethod,whichhasgoodprospectsforapplicationandpracticalvalue.Keywords：Zero-

2、sequencecurrent;Neutralgroundingmode;Timedifferenceofthemodulus;FaultlocationIII华中科技大学硕士学位论文目录摘要...............................................................................................................IABSTRACT.....................................................................

3、................................II1绪论1.1选题的背景与意义................................................................................(1)1.2国内外研究概况....................................................................................(2)1.3论文主要工作................................................

4、.........................................(2)2小电流接地系统单相接地故障特征分析2.1引言.........................................................................................................(5)2.2中性点不接地系统单相接地故障分析................................................(5)2.3中性点经消弧线圈接地系统单相接地故障分析.................

5、...............(8)2.4小结.......................................................................................................(11)3基于零序电流的故障区段定位研究3.1引言.......................................................................................................(12)3.2基于零序电流的故障区段定位...........

6、...............................................(12)3.3PSCAD故障定位测试平台..................................................................(18)3.4仿真测试...............................................................................................(23)3.5小结.....................................

7、..................................................................(40)4基于模量时间差的故障精确定位4.1引言.......................................................................................................(41)4.2基于零模一线模波速度差的单端测距原理......................................(41)4.3仿真测试..................

8、.....