欢迎来到天天文库
浏览记录
ID:33099311
大小:7.03 MB
页数:66页
时间:2019-02-20
《基于dsp的配电网单相接地故障选线装置的研制》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、RESEARCHONDISTRIBUTIONNETWORKSINGLE.PHASEGROUNDINGFAULTYLINESELECTIONDEVICEBASEDoNDSPABSTRACTSingle—phasegroundingfaultisthemostcommonfaultinsmallcurrentgroundingsystem.Aftersingle—phasegroundingfaultoccured,quicklydetecting,andremovingthefaultylinei
2、snecessarytoavoidenlargingtheaccidentandensurethesecurityandstabilityofthedistributionnetwork.Butthefaultylineselectionproblemhasn’tbeenwellsolvedinengineering.Basedonalotofstudiesondomesticandforeignexistingfaultylineselectionmethods,aimedatthedisad
3、vantageof‘Sinjection’methodthatitcannotadapttothesituationofhighresistantgroundingfault,animprovedmethodbasedonutilizingtheactivepowerofinjectedsignalisproposedinthisthesis.AlargenumberofexperimentsweredoneontheMATLAB/SIMULINKplatformandtheexperiment
4、s’resultsprovedthefeasibilityoftheproposedmethod.AFaultylineselectiondevicebasedonsignalinjectionmethodandDSPcontrollerwasdesigned.Thecontrollerisone32bitsfixed—pointdigitalsignalprocessorTMS320F2812producedbytheTICorporation.Thedeviceismainlycompose
5、dofDSPcoreboard,signalinjectionmodule,signalcollectionmodule,man—machineinterfacemoduleandothercomponents.ThesoftwaresystemofthedeviceisdesigndedbyClanguageintheCCS3.3IDEanditincludsPWMsignalgeneration,A/Dconversion,FFToperation,linejudgingandLCDdisp
6、laypartetc.Alowvoltagedistributionnetworkanalogmodel,whichlinevoltageis380v,wasbuiltinlaboratory.Withthismodel,wehavefinishedthedebuggingexperimentsofthefaultylineselectiondevice.KEYWORDS:Faultylineselection;DSP;Signalinjectionmethod;STMITT,TNK目录摘要⋯⋯
7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。IABSTRACT⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯II录⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.III第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.11.1论文的研究背景及意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..11.2小电流接地选线的研究概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
8、⋯⋯⋯..11.3本论文的主要工作⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一2第二章国i内J'l-现有的小电流接地选线原理分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯32.1基于故障信息稳态分量的选线法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..32.2基于故障信息暂态分量的选线法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..52.3基于J'I-DH信号的选线法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一62.4其他选线方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..6
此文档下载收益归作者所有