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1、基于PSCAD和MATLAB的電力系統(tǒng)電磁暫態(tài)仿真研究摘要電磁暫態(tài)的研究主要是針對電力系統(tǒng)出現(xiàn)故障時對系統(tǒng)參數(shù)進行分析。本文根據(jù)電力系統(tǒng)的故障分析理論，運用電磁暫態(tài)仿真軟件PSCAD/EMTDC和系統(tǒng)仿真軟件MATLAB，以雙電源供電系統(tǒng)為模型分別對其進行了單相接地、兩相相間短路及三相接地故障條件下的電磁暫態(tài)仿真分析，通過仿真結(jié)果比較，得出兩種仿真環(huán)境下的仿真波形幾乎一致，與故障分析算例基本吻合，這說明這兩種仿真環(huán)境都適用于電力系統(tǒng)的電磁暫態(tài)仿真，但在故障設置方面，PSCAD的設置更為靈活方便。同時，由PSCAD建
2、立一個簡單的交直流傳輸系統(tǒng)為模型，根據(jù)PSCAD-MATLAB接口技術原理，實現(xiàn)了接口環(huán)境下的電磁暫態(tài)仿真研究，這說明了PSCAD-MATLAB接口仿真技術在電磁暫態(tài)分析中的有效性。關鍵字：電磁暫態(tài)；PSCAD；MATLAB；接口技術內(nèi)蒙古科技大學畢業(yè)設計說明書（畢業(yè)論文）ThesimulationstudyforelectromagnetictransientinpowersystembasedonPSCADandMATLABAbstractElectro-magnetictransientresearchmai
3、nlyaimsatpowersystemwhichforanalysisofsystemparameterswhenitismalfunctioning.Basedonthetheoryoffaultanalysisinpowersystem,theusageofPowerSystemComputerAidedDesign/ElectromagneticTransientsinDCsystemandMatrixLaboratory,aswellasthemodeloftwo-sourcesupplysystem,t
4、hispapermainlyillustratesthesimulationforelectromagnetictransientsthroughtheapplicationofavarietyoffaults,suchassingle-phaseearthfault,inter-phaseshortcircuit,andthree-phasegroundingfault.Bythecomparisonofsimulationoutcomes,itshowedthatthesimulationwaveformsun
5、dertwokindsofsimulationenvironmentdoesalmostunanimouslywhichissimilartotheexampleoffaultanalysis,thetwosimulationenvironmentsaresuitablefortheresearchofelectromagnetictransientsinpowersystem.Butinfaultsetting,thesettingofPSCADismoreagileandconvenient.Meanwhile
6、,itpresentedtheimplementationofthesimulationstudyforelectromagnetictransientwiththebasisoftheprincipleofPSCAD-MATLABinterfacetechniquesandthemodelestablishedbyPSCADofasimpleAC/DCtransmissionsystem,whichhasshownthattheeffectivenessofPSCAD-MATLABinterfacetechniq
7、uesinthestudyofelectromagnetictransients.Keywords:electromagnetictransients;PSCAD;MATLAB;interfacetechniques內(nèi)蒙古科技大學畢業(yè)設計說明書（畢業(yè)論文）目錄摘要................................................................................................................................
8、.........IAbstract......................................................................................................................................II第一章概述.....................
