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319974:19972042243(,100080),,,,,,,1,,,,,,,,,,,,2[12]2180%(9),,,,111,,,,,,,,,200002©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()10151112121314151518()81610141214131519102540()0141016211011421631878()018711382102195178.01518()01260136014901651115116215()0161110211492120414061013()00010201030110132.0()0001001010101040111101,1985,1990,1995,20002010,20202050,1518,20501,5%7%,,3[34],,2153109,10%,(W200ö2,v3ö,5000)6300,,,30100W,150W,200W,300W,500W,1kW,2kW,3kW,5kW,3,,,15,17,80%,,110,50200,,2,2,302,55FD725K,5104220,1000õ,95,,(013km2,22,80),30,,,199414(2),1219981©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ö,017ö,0119ö,,19975,200010,20301002(1994)No1()()147100,150,12750300,50022790,130,1504680328100,120,4200250,30041755,30038755655,30015556655,200105574250100081522,304269520,55205103551651143001200122551101315555141555516631331,,,,2000100,,,,4960,140ö2,5161022,1191012,1171012,1958,,19831987,415ö,1995115,3,4,12%,910%,56%,,(19861995)20,80115,40ö,4ö,,,19945,,3,60%,1,20%,015,10%2000,3522©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(%)(cm2)%(cm2)20141410221012()101010GaAs20111910012cm22213111210221010915()1010171022CdSöCu2S1210cm2CuInSe281011CdTe5180130131112()1114()815571886117mm2mm210102020303056()819()30904(kWp)(öWp)(kWp)1976015400015198115107580311519868010404528010199145010100103840232523301992500101501040422529801993650102001040472527383019949501030010404725275080199512001030010404725276580,,,,,,,,,,14,4,,,()25,,300,1600,30,250,10ö,212ö,1994,5,(19861990),5,,(19911995),,,,35,,111ö,011ö,018ö,,3219981©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:100,315,315,1,2010400,20201000,20501,,,,,,,,,,,,,,,,,,7(1),,(2),,,,(3),,,2010(4),(5)!1,,..,,199372.21.,1996,Vol.18(3_4):68_743,,DJLew,RHWilliams..,199684YanLuguang,KongLi.ThePresentStatusandtheFutureDevelopmentofRenewableEnergyinChina.RenewableEnergy,1997,Vol.10(2_3):319_322DEVELOPMENTANDPROSPECTIVEOFWINDANDSOLARENERGYPOWERGENERATIONINCHINAYANLuguang(InstituteofElectricalEngineering.AcademiaSinica,Beijing100080)AbstractWindandsolarenergypowergenerationisimportantforsupplyingelectricityfor(67)42©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(FuzhouUniversity,350002)AbstractThispaperintroducestheelectricalcircuitandstructureofahighefficacyauto2mobilealternator.Thespecificpowerandefficiencyofthisnewtypeofalternatorcanbesig2nificantlyincreasedascomparedwiththatoftheordinaryones.Thistypeofhighefficacyal2ternatorsareprovedtobeofgreatpracticalvalue.Keywordsautomobilealternator,sixphasewinding,rectifier(24)manyruralandremoteareas,itwillplaysignificantroleforsustainableandcoordinatedde2velopmentofelectricpowerindustryandchangingtheenergyresourcestructurefor21stcen2turyinChina.Since1970’s.Chinesegovernmentstartedtopaygreatattentiontothere2search.developmentandapplicationofsolarandwindenergy,throughseveralfive2yearsplan’scontinuouseffort.significantprogresshasbeenachievedintheresearch,develop2ment.applicationandcommercializationofthewindandsolarenergypowergeneration.ThepresentpapercomprehensivelysummarizedthepracticalneedsforwindandsolarenergypowergenerationinChina,thestatusofitsdevelopmentandapplicationandtheprospectiveofitsfurtherdevelopment.Keywordswindenergy,solarenergy,powergeneration(49)PRINCIPLEANDDESIGNOFACHOPPERAPPLIEDINMICRO-SMESHUIDongLINLiangzhenYUYunjia(InstituteofElectricalEngineering,AcademiaSinica,Beijing100080)AbstractThispaperintroducesthetheoryofoperationandcharacteristicsofachopperap2pliedinamicro2SMESsystem,andaccordingtothecharacteristicsofthechopper,anovelcontrolmodewithtwo2controlloopisproposed.Thesimulationofdynamiccharacteristicsofthechoppercircuitispresented.KeywordsSMES(superconductingmagnetenergystorage),chopper,dutyratio7619981©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.