国外光伏系统安装施工3

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1、WiringthesolarpanelsWrittenbybradonDecember26th,2009Thefirstrowofsolarpanelsisinstalled.It’stimetolookatwiringthemtogether.FinishedEachsolarpanel(datasheet,installationmanual)hastwocablesontheback,onewithamaleconnectorandtheotherwithafemaleconnector.Youcanconne

2、ctsolarpanelstogether(inseries)withthesecables.Themorepanelsyouconnecttogetherthegreaterthevoltage.Becauseyouneedtohavecircuitbreakersbetweenthesolarpanelsandtheinverter/batterycharger,youneedtokeepthevoltagesdowntoalevelthat’sreasonableforyourDCbreaker.Thepowe

3、rcablesOurbreakerscanhandleupto150volts.Wewillwireingroupsofthreepanelswhichgeneratesabout100volts.Afteryouhaveconnectedyourpanelstogether,you’releftwithonemaleandonefemaleconnector.Oneoftheseispositiveandoneisnegative.Theseneedtobeconnectedtothecombiner/breake

4、rbox.Withourpurchase,wegotfour30footcableswiththesameconnectorsasthesolarpanels.Whatyoudo,iscuttheseinhalf(orso,dependingonyourarrangement)andusethetwopiecestoconnectthesolarpanelstothebreakerbox.Theendwiththeconnectorattachestothesolarpanel,youstripthewireonth

5、eotherendandhookitupinthecombinerbox.Oneverynicethingaboutthisarrangement,isthatyoucanwirethecablestothebreakerboxbeforeyouplugintothesolarpanel.Thisisverynicebecausesolarpanelscan’tbeswitchedoffifit’ssunny.MidniteSolarMNPV6SolarArrayCombinerThecombinerboxweare

6、usingisfromMidnightSolar.Wewillusefouroftheavailablesixspotsforcircuitbreakers.Ifweeverfindthatweneedtogetmoresolarpanels,allweneedtodoisaddsomebreakersandwe’rereadytogo.Itturnsoutthatthiscombinerboxneedssomeassembly.That’sbecauseitwasdesignedforavarietyofuses.

7、Itwasprettysimpletofigureoutwhatweneeded,butitwashardformetofigureouthowitfittogether.Thereisaplatethatthebreakersfitintothatlookslikeitmountsinthebox;itdoesn’t.Itkindofhangsintheair.Thebreakershaveascrewinthebackthatclampsdownontheplate.Onceyougetafewbreakersi

8、nstalled,it’squitesecure.Thisplatesuppliesthecombined(inparallel)powerofallthesolarpanelstothebatterycharger.IhaveaDClightningarrestorthatwillbeinstalledinthecombinerbox.Itc