2023年11月第19卷第4期系统仿真技术SystemSimulationTechnologyNov.,2023Vol.19,No.4基于CST软件的高压绝缘栅双极晶体管模块建模和仿真周蒙1*,仝子岳1,周明2(1.耐世特汽车系统亚太研发中心,江苏苏州215026;2.达索析统(上海)信息技术有限公司,上海200120)摘要:绝缘栅双极晶体管(Insulatedgatebi-polartransistor,IGBT)是电力电子行业核心的功率器件之一,在逆变器、变频器、UPS、AC/DC电源、DC/DC电源、OBC(Onboardcharging)充电单元及其他家电设备中被大量使用。IGBT模块在产品设计阶段,需要考虑多方面的设计指标,包括缓冲电路、驱动电路、短路保护、开关波形、杂散电感和均流特性等。本研究介绍一种基于达索SIMULIACST(以下简称CST)软件的3D建模及仿真方法,建立由3DIGBT模型和电路模型组成的半桥Buck电路及双脉冲电路的仿真模型。通过CST场路协同仿真可以获得精确的杂散电感、开关波形和均流波形等。IGBT数据手册和实际模型对比表明,仿真和计算结果基本一致,能够为产品的可靠设计提供指导。关键词:IGBT模块;CST;3D建模;Buck电路;杂散电感;双脉冲测试ModelingandSimulationofHighVoltageIGBTModuleBasedonCSTZHOUMeng1*,TONGZiyue1,ZHOUMing2(1.NexteerAutomotiveSuzhouTechnologyCentre,Suzhou215026,China;2.DassualtSystem(Shanghai)InformationTechnologyCo.,Ltd.,Shanghai200120,China)Abstract:InsulatedGateBipolarTransistorisoneofthecorepowerdevicesinthepowerelectronicsindustry.Itiswidelyusedininverters,frequencyconverters,UPS,AC/DCpowersupplies,DC/DCpowersupplies,onboardchargingunitsandotherhomeappliances.IntheproductdesignstageofIGBTmodules,manyaspectsofdesignindicatorsneedtobeconsidered,includingbuffercircuits,drivecircuits,short-circuitprotection,switchingwaveforms,strayinductanceandcurrentsharingcharacteristics,etc.Thisarticleintroducesa3DmodelingandsimulationmethodbasedonDassaultSIMULIACST(hereinafterreferredtoasCST)softwaretoestablishasimulationmodelofahalf-bridgeBuckcircuitandadouble-pulsecircuitcomposedofa3DIGBTmodelplusacircuitmodel.ThroughtheCSTfield-circuitcollaborativesimulationmethod,accuratestrayinductance,switchingwaveformsandcurrent-sharingwaveformscanbeobtained.ComparisonbetweentheIG...