howtodesignasolarsystem_解决方案_计划解决方案_实用文档

《howtodesignasolarsystem_解决方案_计划解决方案_实用文档》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、HowtoDesignSolarPVSystemWhatissolarPVsystem?SolarphotovoltaicsystemorSolarpowersystemisoneofrenewableenergysystemwhichusesphotovoltaic(PV)modulestoconvertsunlightintoelectricity・Theelectricitygeneratedcanbestoredoruseddirectly,fedbackintogridlineorcombinedwithoneormoreotherelectricitygenerators

2、ormorerenewableenergysource・SolarPVsystemisveryreliableandcleansourceofelectricitythatcansuitawiderangeofapplicationssuchasresidenee,industry,agriculture,livestock,etc.MajorsystemcomponentsSolarPVsystemineludesdifferentcomponentsthatshouldbeselectedaccordingtoyoursystemtype,sitelocationandappli

3、cations.ThemajorcomponentsforsolarPVsystemaresolarchargecontroller,inverter,batterybank,auxiliaryenergysourcesandloads(appliances).PVmoduleconvertssunlightintoDCelectricity.SolarchargecontrollerregulatesthevoltageandcurrentcomingfromthePVpanelsgoingtobatteryandpreventsbatteryoverchargingandprol

4、ongsthebatterylife・InverterconvertsDCoutputofPVpanelsorwindturbineintoacleanACcurrentforACappliancesorfedbackintogridline.Batterystoresenergyforsupplyingtoelectricalapplianceswhenthereisademand.LoadiselectricalappliancesthatconnectedtosolarPVsystemsuchaslights,radio,TV,computer/efrigerator,etc.

5、Auxiliaryenergysources-isdieselgeneratororotherrenewableenergysources.SolarPVsystemsizing1.DeterminepowerconsumptiondemandThefirststepindesigningasolarPVsystemistofindoutthetotalpowerandenergyconsumptionofallloadsthatneedtobesuppliedbythesolarPVsystemasfollows:1.1CalculatetotalWatt-hoursperdayf

6、oreachapplianceused.AddtheWatt-hoursneededforallappliancestogethertogetthetotalWatt-hoursperdaywhichmustbedeliveredtotheappliances.1.2CalculatetotalWatt-hoursperdayneededfromthePVmodules.MultiplythetotalappliancesWatt-hoursperdaytimes1.3(theenergylostinthesystem)togetthetotalWatt-hoursperdaywhi

7、chmustbeprovidedbythepanels.2.SizethePVmodulesDifferentsizeofPVmoduleswillproducedifferentamountofpower.TofindoutthesizingofPVmodule,thetotalpeakwattproducedneeds・Thepeakwatt(Wp)produceddependsonsizeofthePVmoduleandclimateofsitelo