基于MATLAB的晶闸管电动机软启动系统仿真

TechniquesofAutomation&Applications|97IndustrialApplicationsandCommunicationsMATLABModelingandSimulationofThyristorMotorSoftStartBasedonMATLABZHANGXiao-ping,ZHOUXiao-yu(AutomationInstituteofHeilongjiangAcademy,Harbin150090China)Abstract:ItdealswithhowtouseSIMULINKorStateflowsimulatetoolbarstomakedynamicsimulationonthecomputersimulationmodelofthyristormotorsoftstarterwhichisconstructedbefore.Thetestresultisideal.ItdemonstratesthatusingSIMULINKplatformtoanalyzethesoftstartprogressisaconvenient,high-efficientandpracticalmethod.Simultaneously,itcanverifythefactthatthestartperformancesofmotorsoftstartaremuchbetterthanthedirectstartperformances.Keywords:thyristormotorsoftstarter;simulation;MATLABSIMULINK/StateflowMATLAB98|TechniquesofAutomation&ApplicationsIndustrialApplicationsandCommunicationsMATLABAaaTechniquesofAutomation&Applications|99IndustrialApplicationsandCommunications)/arctan(RL=jjaaj100|TechniquesofAutomation&ApplicationsIndustrialApplicationsandCommunicationsTechniquesofAutomation&Applications|113IndustrialApplicationsandCommunications