模块化电子模拟功率负载系统的设计

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1、北京交通大学硕士学位论文模块化电子模拟功率负载系统的设计姓名：王超申请学位级别：硕士专业：电力电子与电力传动指导教师：刘志刚20060201北京交通大学硕士学位论文流近似为正弦，功率因数趋近于一1．O。关键词：电子模拟功率负载，PwM变流器，谐振式Dc／DC变换器，功率因数，软开关，移相控制，同步电流PI—H一北京交通_^=学硕士学位论文ABSlRACTSYSTEMDESIGNOFMODULARIZEDELECTRONICPOWERLOADABSTRACTTheelectmnjcpowerloadisanewtypepowerelectmⅡicinstrumentthatcanta】【cthe

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5、bridgefcsonanto∞verter，whjchis咖ltr01ledbytheUC3879，w0IksincoIlstantcurrentson—switchingstates．IGBTischos锄asthepowerele咖nicselemcntofmevoltagesOurcePWMconvefter，whosec∞tfolpanisdesj印edbased∞theDSPdevice，1M320LF2407OfTexashstmments．Inthepapcr’itpresentsthesynch啪伽scun．cntPIcontroltcchIliqueusedforcncrg

6、y-fedvoltagesoufce北京交通人学硕士学位论文ABSTRACTPWMconvenerconnectedt0theACmains．Theexpe『imentalresultsVerifythattheelectronicpowerloadiswelldesigned．Requifedperfbmlanceisobtajncd：minusunitpo、Ⅳerfactorandtheoutputcurrentthec10setOsinuSoidal．KEYWoRDS：elect姗icpowerload，PWMconVener’resonantDC，DCconvener'pOwerfac

7、tOr'Son·switcllin舀shift-phasccontml，yncshmnouscurrentPlcontIDI一Ⅳ一北京交通人学硕士学位论文第一章绪论§1．1选题背景第一章绪论目前随着科技的发展，电力紧张、石油价格飙涨，能源问题已经成为大家越来越关心的问题，能源的紧缺使得各种各样节能装置的研制倍受关注。随着电力电子技术、控制技术以及计算机技术的飞速发展，各种电力电子装置的智能化、模块