小电流接地系统单相接地故障选线和定位系统分析

《小电流接地系统单相接地故障选线和定位系统分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、哈尔滨工业大学工程硕士学位论文monitorstationthroughGPRS,theaccuratefaultintervalwasobtainedthroughcomprehensiveanalysisandjudgementtostructuretopologyofnetworkbymonitorstation.Thecompleteequipmentsoflinegroundingfaultofdistributionnetworkandpositionwereproduced,usedinJuzhongninthsubstationofthefirstoil

2、productionplantofDaqingOilfieldin2012December.Theartificialsingle-phasegroundingshortcircuittestwasdoneusingdifferentgroundingtransientresistance,theresistancevalueofwhichwas1000、800、500、200.Thetheoreticalanalysisandsimulationresultswereprovedduringthetestinthepaper.Keywords：single-ph

3、asegroundingflaut,activepowerincrementofzerosequencecurrent,neutralpoint-III-哈尔滨工业大学工程硕士学位论文目录摘要...................................................................................................................IAbstract....................................................................

4、...........................................II第1章绪论........................................................................................................11.1本研究课题的来源及目的和意义..............................................................11.2单相接地故障选线和定位技术概述...................................

5、.......................31.2.1故障选线技术概述..............................................................................31.2.2故障定位技术概述..............................................................................41.3本文主要研究内容.....................................................................

6、................6第2章零序电流有功增量选线原理分析及仿真...............................................72.1引言............................................................................................................72.2零序电流有功增量选线原理.....................................................................72.2.

7、1单相接地故障的零序电流稳态特征分析............................................72.2.2基于零序电流有功增量的选线理论分析............................................92.36kV配电网络典型接线及仿真计算..........................................................112.3.1聚中九变电所元件模型及参数.............................................