welcome to the wolrd of solar electric power + plans外语英文电子书

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1、SOLARPANELINFOSOLARPANELINFOWhatisPV&howdoesitwork?PVstandsforphotovoltaic.Photo=LightandVoltaic=Electricity.Asolarcellconvertslighttoelectricity.Asolarcellismadeofsilicon.Computerchipsaremadeofthissamematerial.Basically,whenlightstrikesthesurfaceofasolarcellsom

2、eofitisabsorbedintothesilicon.Thislightenergybumpstheelectronslooseandcausesenergytoflow.Bypackagingapproximately36solarcellstogetherasolarpanelorasolarmoduleiscreated.Whenyouhavemorethenonesolarpanelsyoucreateasolararray.WhatmakesupaPVsystem?WhatisBOS?BOSstands

3、forBalanceofSystem.Foracompletesystemyouwillneedmorethanjustasolarpanel.Hereisashortlistofothercomponentsthatmightberequiredforyoursystem.·SolarPanelMount·InterModuleWiring·OutputCable·ChargeController·Fusing·Batteryfile:///C

4、/Documents%20and%20Settings/Administ

5、rat.../Osculai%20Documents/Science/solar/solar_info.htm(1of11)[4/7/20023:11:03PM]SOLARPANELINFO·LowVoltageDisconnect,Thisisbuiltintomostchargecontrollers·Inverter,ForACpowerSystemSetup:Solar---ChargeController---Battery---Inverter---ACLoadsorSolar---ChargeContro

6、ller---Battery---DCLoadsWhatkindofinverterdoIneed?Thetypeandsizeofinverternecessarydependsonyourapplication.Todeterminethisyoumustfirstcalculatethemaximumamountofloadyouwillberunningontheinverteratonetime.Therearebasicallyfoursizerangesofinverters.Thefirstis50-3

7、00watts;thesearesmallportableinverters.Theseinvertersareidealforlaptops,smalllightsandotherminimaldrawACloads.Thenextsizerangeis300-800watts.Thesearealsosomewhatportableandstillhavetheoutletsonthefrontoftheinverter.Thissizeinverterisgoodforsmallmicrowavesandothe

8、rsmallappliances.Thethirdrangeisfrom800-2000watts.Theseunitsusuallyhavebatterychargersbuiltintothem.Yourcanrechargeyourbatterieswithutilitypowerorgeneratorpower.TheyarealsogreatforpoweringmediumsizeACloads,orrunningmultiplesmallerloadsatonetime.Theseunitsaretypi

9、callypermanentlyinstalled.Thefinalinvertergroupingisapermanentlyinstalledunitsranging2,000-11,000file:///C

10、/Documents%20and%20Settings/Administrat.../Osculai%20Docume