微機控制及新型兩級HID燈電子鎮(zhèn)流器的研究.pdf

1、浙江大學(xué)碩士學(xué)位論文微機控制及新型兩級HID燈電子鎮(zhèn)流器的研究姓名：李樺申請學(xué)位級別：碩士專業(yè)：電力電子與電力傳動指導(dǎo)教師：錢照明20050301AbstractTheHighIntensityDischargeLamps(HID)，consistingofabroadrangeofgasdischargelamps，arenotablefortheirhighluminouseffeciencygoodcolorrenderingan

2、dlonglifeandhenceareregardasthemostideallightsourceAsaresult，thedrivercircuitofHIDlamps，namelyballast，hasbecomeallimportantresearchpointComparewithtranditionalelectromagneticballast，electronicballasthastheadvantageofener

3、gysaving，lightweightetcandhaveattractedmoreresearchforcus肼曲thecharacteristicsofunparalleledflexibilityandprogrammability，digitalcontrolshowsmanymeritsinvariousapplications，Itisdrawingcloseattentionduetoitsflexibilityandr

4、ealizationofcomplexcontrolmodeinelectronicballastforHIDlampsmadhasbecomeanotherhotpointinthisdirectionInthefirstChaptercategoriesofHIDlampsaregivenAndelectroniccharacteristicsandoperationprinciplesofHIDlampsaswellassever

5、altypicalelectronicballastispresentedAsimplemodelconsideringacousticresonanceeffectofHIDlampsisintroducedwhichiscompatible謝thcommonsimulationsoftwareChapterIIpresentsthelatestdigitaldevelopmentinpowerelectronicsfield，esp

6、eciallyinlightingfield，isintroducedIntheChapterIII，aHIDballastwithadigitalcontrollerisdevelopedtOdemonstratethefeasibilityofthedigitalcontrolalongwithsomekeyissuesindigitalcontrollerselectionanddesignDigitalcontrolisimpl

7、ementedtokeepthelamppowerconstantandofferacapabilityofdimmingthelampBesides，amorereliableprotectcircuitisgivenItisverifiedbyexperimentalresultsIntheChapterIVmechanismandcharacteristicsofacousticresonanceareinvestigatedAn

8、oveltwo—stageandacousticresonancefreeelectronicballastprovidinglinefrequencylampcurrentisproposedwithdetaildesignprocedureSimulationandexperimentalresultsaregiventoverifyitssuperiorityKeyperformancesarecomparedbetweenthe