金鹵燈電子鎮(zhèn)流器的設計

1、Y771010飯里大學學校代碼；10246學號：T022021041碩士學位論文金鹵燈電子鎮(zhèn)流器的設計院系(所)：信息科學與工程學院專業(yè)：電子通信與工程姓名：吳春勇指導教師：湖祖望俞軍教授完成日期：2004年9月6日AbStractWiththedevelopmentofinfrastructureandthe1ightingprojectontheCitystreetS，thelightingelectroniCSproductsin

2、dustrywelcomesafastdevelopmentopportunityBecauseofthebestfeatureforcolorand1ighting，MetalHalideLamp(MIlL)becomepopularinpubliCspacesThereareabout30manufacturesofMIILinmainlandChinaandtheannuallyproductivityreacheslOmilli

3、onWiththecooperationwithNorthAmerdcaandEuropeancompanies，mostmanufacturesimprovetheirproductqua]jtyandenlargetheproductivityandfastentheirrevolutionoftechnology1tiSestimatedthatinthenextfewyears，boththetechnologyandprodu

4、ctiVityofMMLwillhaveafastdevelopment，whiletheMHLE1ectroniCBallastwilihardlYbedevelopedcompletelybecauseofthetechnologvshortcomingsTheshortcomingsofMHLelectronicballastareasfollows：1、Afteroperatingforaperiodoftime，thestar

5、t—upvoltagewillkeeprisingwhichmakesthelighLshardlybeignited2、WiththegeneralintegratedcircuittheprotectCircuitcarlflardlYfunctionwell3、Thelightcanhardlyberestartedafterturl2edoffIdesignMHLelectroniCballastwithFM2822andthe

6、featuresareasf0110WS：1、Duringthelampigniting，operatingfrequencyiSsweptdownautomaticallytogainthemaximamstart—upvoltage，thustoensurethesuccessfulignition2、TheCircuitiSwelladaptabletothelampnegativeimpedancecharacteristiCS

7、whenenteringtheglowdischargeafterthevoltagebreakdownwhilethecurrentiSincreased3、Thecircuit’SprotectfunctionisverywellandthecircuitisSimple(includ：lampopencircuit，lampovervoltage，currentshort，capacitiremodeprevent)4、The1i