外文翻译---光伏系统中蓄电池的充电保护ic电路设计

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1、电子与信息工程学院本科毕业论文(设计)外文文献翻译译文题目：DesignofaLead-AcidBatteryChargingandProtectingICinPhotovoltaicSystem学生姓名：黄祖勋专业：电气工程及其自动化指导教师：邓方雄2012年12月湖北科技学院本科毕业论文（设计）：外文翻译DesignofaLead-AcidBatteryChargingandProtectingICinPhotovoltaicSystemZENGDe-you,LINGChao-dong,LIGuo-gang(YuanshunICDesignR&DCenter,Huaqiao

2、University,Quanzhou362021,China)Source:MicroelectronicDevice&Technology,June20071.IntroductionSolarenergyasaninexhaustible,inexhaustiblesourceofenergymoreandmoreattention.Solarpowerhasbecomepopularinmanycountriesandregions,solarlightinghasalsobeenputintouseinmanycitiesinChina.Asakeypartofthe

3、solarlighting,batterychargingandprotectionisparticularlyimportant.Sealedmaintenance-freelead-acidbatteryhasasealed,leak-free,pollution-free,maintenance-free,low-cost,reliablepowersupplyduringtheentirelifeofthebatteryvoltageisstableandnomaintenance,theneedforuninterruptedforthevarioustypesofh

4、aswideapplicationinpowerelectronicequipment,andportableinstrumentation.Appropriatefloatvoltage,innormaluse(topreventover-discharge,overcharge,over-current),maintenance-freelead-acidbatteryfloatlifeofupto12~16yearsfloatvoltagedeviationof5%shortenthelifeof1/2.Thus,thechargehasamajorimpactonthi

5、stypeofbatterylife.Photovoltaic,batterydoesnotneedregularmaintenance,thecorrectchargeandreasonableprotection,caneffectivelyextendbatterylife.ChargingandprotectionICistheseparationoftheoccupiedareaandtheperipheralcircuitcomplexity.Currently,themarkethasnotyetreal,chargedwiththeprotectionfunct

6、ionisintegratedonasinglechip.Forthisproblem,designasetofbatterychargingandprotectionfunctionsinoneICisverynecessary.2.SystemdesignandconsiderationsThesystemmainlyincludestwoparts:thebatterychargermoduleandtheprotectionmodule.Ofgreatsignificanceforthebatteryasstandbypoweruseoftheoccasion,Itca

7、nensurethattheexternalpowersupplytothebattery-powered,butalsointhebatteryovercharge,over-currentandanexternalpowersupplyisdisconnectedthebatteryistoputthestatetoprovideprotection,thechargeandprotectionrolledintoonetomakethecircuittosimplifyandreduc