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关于太阳能电池DC-DC电源转换设计方案:AGapp下载
时间:2021-11-21 来源:app下载 浏览量 4942 次
本文摘要:SPV1020是ST企业的内置了MPPT优化算法的PWM方式DC/DC降血压转化器,能利润最大化太阳能发电太阳能电池板所造成的动能,不不受温度和太阳辐射量的危害。

SPV1020是ST企业的内置了MPPT优化算法的PWM方式DC/DC降血压转化器,能利润最大化太阳能发电太阳能电池板所造成的动能,不不受温度和太阳辐射量的危害。MPPT优化算法精度在0.2%,工作标准电压0-36V,具有过电压,过电流和过热维护保养,内置了软启动,高效率约98%。文中解读了SPV1020关键特性。

AG体育

  InterleavedDC-DCboostconverterwithbuilt-inMPPTalgorithmSPV1020isamonolithicDC-DCboostconverterdesignedtomaximizethepowergeneratedbyphotovoltaicpanelsindependentlyoftemperatureandamountofsolarradiation.  TheoptimizationofthepowerconversionisobtainedwithanembeddedlogicwhichperformstheMPPT(maxpowerpointtracking)algorithmonthePVcellsconnectedtotheconverter.  OneormoreconverterscanbehousedintheconnectionboxofPVpanels,replacingthebypassdiodes,andthankstothefactthatthemaximumpowerpointislocallycomputed,theefficiencyatsystemlevelwillbehigherthantheoneofconventionaltopologies,wheretheMPPiscomputedinthemaincentralizedinverter.  Foracosteffectiveapplicationsolutionandminiaturizationneeds,SPV1020embedsthepowerMOSFETsforactiveswitchesandsynchronousrectification,minimizingthenumberofexternaldevices.Furthermore,the4phaseinterleavedtopologyoftheDC-DCconverterallowstoavoidtheuseelectrolyticcapacitors,whichwouldseverelylimitthelifetime.  ItworksatfixedfrequencyinPWMmode,wherethedutycycleiscontrolledbytheembeddedlogicrunningaPerturbObserveMPPTalgorithm.Theswitchingfrequency,internallygeneratedandsetbydefaultat100kHz,isexternallytunable,whilethedutycyclecanrangefrom5%to90%withastepof0.2%.  Safetyoftheapplicationisguaranteedbystoppingthedriversincaseofoutputover-voltageorovertemperature.  SPV1020关键特性:  ■PWMmodeDC-DCboostconverter  ■DutycyclecontrolledbyMPPTALGORITHMwith0.。


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