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336201112JOURNALOFEEEVol．33No．6Dec．20112011-05-182011-06-161969-E-mailhh75816@sina．comMPPT310015MPPT。、MPPT。。TM921．5A1008-0686201106-061-04DesignofaPVChargeControllerwithMPPTControlWANGZhang-quanQIUYang-jieCollegeofInformationScienceandTechnologyZhejiangShurenUniversityHangzhou310015ChinaAbstractAphotovoltaicchargecontrollerwithMPPTmaximumpowerpointtrackingcontrolisdesigned．Thiscontrollercanintelligentlychooseworkmodeofchargerbydetectingchargingvoltageandcurrentofbattery．WhensunlightisweakthecontrollerswitchesautomaticallytoMPPTmodeusingperturbationcontrolstrategy．Thismodemakesthephotovotlaicbatteryproducemaximumpoweroutputandthecontrollerhasagoodchargingefficiency．Experimentresultswellillustratetheeffectivenessofthedesignedcontroller．KeywordsphotovoltaicMPPTchargingcontrolstrategy0。12。。MPPT。MPPT。1、。3。。MPPT。1DC-DC。。MPPTDC-DC。12FS156-4545W。VOC=21VISC=3．3AVMP=17VIMP=2．6A。CooPower12V-4AH。DC-DCBUCK2。2BUCKPV+Q1BUCKPMOSCPUPWMQ2。MOSGS20VD3。R2VTBCPUAD。VTB+CPUAD。CPUPWMD。DQ1。PWM。33．1A/D、、、。MPPT。3。33．24PWUV。13。PMINIH0．4A。PMINPWMDPMIN。MPPT。。PMIN。PWMD。4ABBUCK2633。A。4BUCKBUCK。。MPPT5。Ibat_kIbat_k－1。PWMD。53．3。4PMIN、4。1—。。12．5V400mA。2—。12．7V13V13．3V。3—。13．5V。6。IrefDIS＞IrefDD。644．1152015～200C42000Lux。。MPPTMPPT7。7366MPPTMPPT。MPPT1600400mAMPPT。4．218～250C74000Lux。11．5V16．8-21．2V1．52A。813．5V。8611．5V13．5V。400mA12．5V。12V。12V12．7V13V13．3V。。5MPPT。。MPPT。1．J．20092．M．2005．93．J．20073268－2734．J2009603SVPWM。SVPWMSVPWM。SVPWM。。1SVPWMPWMPWM。U1PWMU1m槡=2U12。。1．5M．20092．4M．20103．3M．20034．M．20074633