用于中高壓電力電子裝置的高壓隔離驅動電源的研究.pdf

1、浙江大學碩士學位論文用于中高壓電力電子裝置的高壓隔離驅動電源的研究姓名：金高先申請學位級別：碩士專業(yè)：電力電子與電力傳動指導教師：呂征宇20050301浙江大學碩士學位論文Accordingtothesolidstateshortcircuitcurrentlimiteranewkindofdrivepowersupplywithmultipleisolatedoutputs，whichmaybewidelyusedinthemiddl

2、eandhighvoltageelectricalequipment，ispresentedinthisdissertationThepowersupplyiscomposedofcurrentbumpandsecondsidedrivemoduleTheloadresonantmodeisadoptedinthedesignofthebumpandthebump’Soutputapproximatesasinewavehighfreq

3、uencycurrentsourceThesuperhighvoltagecableusedastheoutputlineofbump，isservedasthecommonone—turnprimarywindingforallthedrivemodule，andtheisolationvoltagelevelbetweentheoutputsofthepowersupplycanbesetveryhighThesignalofthe

4、moduleistransmittedwithfibeLwhichcatlreduceEMIsignificantly，andagoodperformanceofelectricinsulationisgainedFurthermore，thepoweralsohasmanysignificantadvantages，suchassmallinsize，lightinweight，highefficiencyandreliability

5、，lowcostandSOonAftertheprincipleofthemaincircuitofbumpandtheresonantloadnethavingbeendiscussed，anewtypeACbusisputforward，andtheselectionofseparatetransformerforthesecondarysidedrivemoduleisdiscussedemphaticallyAtlast，the

6、currenttypelinearsteadyvoltagecircuitisgiven，andswitch—modeoneaswellThedissertationillustratesthesimulationandexperimentwaveformforeachunitcircuitTheseresultsprovethatthepowersupplyperformanceisimprovedbytheproposedmetho