电压源换流器开关器件损耗建模_吴锐.pdf

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1、第32卷第21期中国电机工程学报Vol.32No.21Jul.25,20122012年7月25日ProceedingsoftheCSEE©2012Chin.Soc.forElec.Eng.1文章编号：0258-8013(2012)21-0001-07中图分类号：TM46文献标志码：A学科分类号：47040电压源换流器开关器件损耗建模吴锐，温家良，于坤山，陈中圆，韩健，蔚泉清(中国电力科学研究院，北京市海淀区100192)PowerLossModelingofSwitchingDevicesinVoltageSou

2、rceConvertersWURui,WENJialiang,YUKunshan,CHENZhongyuan,HANJian,WEIQuanqing(ChinaElectricPowerResearchInstitute,HaidianDistrict,Beijing100192,China)ABSTRACT:IGBThasbeenusedinmanypowerelectronic损耗模型适用于电压源换流器型直流输电(voltagesourceapplications,especiallyinthevoltages

3、ourceconverters,andconverterhighvoltagedirectcurrent，VSC-HVDC)、静止无thepowerlossanalysisofIGBTisoneofthemainworksin功补偿器(staticsynchronouscompensator，STATCON)、统一powerelectronics.Thispaperpresentedanimprovedwaveform潮流控制器(unifiedpowerflowcontroller，UPFC)等高压大功fittin

4、gmodeltoanalyzepowerlossesofIGBTanddiodesin率应用场合的电压源换流器损耗分析。voltagesourceconverters.Ittookintoaccountvarietyof关键词：电力电子；电压源换流器；IGBT；损耗模型；波diode’sreverserecoveryparameterswithvariedcurrentsin形拟合differentswitchingperiodsoftheconverters.Thismodelalsoincludeddepend

5、encyofcollector-emittervoltages,currents,0引言junctionaltemperature,andstrayinductance,especiallythetail在当前电力电子技术领域，IGBT器件已经广currentofIGBT.Thevalidityofthismodelwasfurther泛应用于各种电压源型电力电子变换装置中，如电demonstratedbya2.5kV-ratedboostconverter.Theexperimentalresultswerein

6、accordwithanalyticresultsofthe压源换流器型直流输电(voltagesourceconverterpresentedmodel.Thispowerlossmodelcanbeappliedinhighvoltagedirectcurrent，VSC-HVDC)、静止无功powerlossanalysisofhighvoltageandhighpower补偿器(staticsynchronouscompensator，STATCON)、applications,suchasvoltages

7、ourceconverters,highvoltage统一潮流控制器(unifiedpowerflowcontroller，directcurrenttransmission(VSC-HVDC),staticsynchronous[1-2]UPFC)等。目前大部分大功率电压源换流器工作compensators(STATCOM)andunifiedpowerflowcontrollers在高频脉宽调制(pulsewidthmodulation，PWM)状(UPFC).态，开关器件尤其是IGBT会产生较高的功率损耗，K

8、EYWORDS:powerelectronics;voltagesourceconverters;可能会损坏器件甚至装置，造成严重损失。因此，IGBT;powerlossmodel;waveformfitting建立准确的IGBT损耗模型，特别是开关损耗模型，摘要：IGBT在电力电子装置中得到了大量应用，尤其是在对于快速精确地计算电压源换流器的功率损耗、以高