China DC Combiner Box Solar Combiner Box PV Combiner Box

4-16 Strings PV Array with Lighting Protection Solar PV DC Combiner BoxSHLX-PVseriescombinerboxcombinesatmost24-channelDCinputofPVstringsinto1-channeloutput,eachchannelisequippedwithfusewire,
theoutputisequippedwithlightningprotectorandcircuitbreaker,itgreatlysimplifiestheinputwiring
ofDCpowerdistributioncabinetandinverter,provideslightningprotection,short-circuitprotectionandgroundprotection.Thecombinerboxhassmartandnon-smarttwotypes.Thesmartlightning-protectioncombinerboxhasbuilt-incombinermonitoringunitthatmonitorstheinputvoltageofeachPVstring,collectiveoutputvoltage,
temperatureinsidethebox,aswellasthestatusoflightningprotectorandcircuitbreaker,etc.According
tothechannelnumberofPVstrings,itcarriesoutcombinerfunctionfor24channelsatmost,commonly
usedconfiguration:8channels,10channels,12channelsand16channels.Internalofthedeviceisarrangedconcisely,enjoysorderlyandreasonablewiring,withhighreliability
andeasymaintenance.Theoutdoorwall-mountedtypecanadapttoallkindsofsevereenvironment.Exceptforthecorecomponents,itcanbe
custom-madeaccordingtoyourrequirements.FunctionsIngressprotectionofthecombinerboxreachesIP65,itisfeaturedwithwaterproof,dustproof,

rustproof,saltfogproof,canbeusedoutdoors.

Putin24channelsofPVstringsatmost.PositiveandnegativepolesofeachPVstringareequippedwithspecialfusewire,

whichprotectsthePVstringfromfault,usematchablefuseholderandfusewiretoreducelater
maintenancecostforowner,andguaranteesafetyofmaintenancepersonnel.

ItusesphotovoltaicpurposedHVlightningprotectortocarryoutprotectiontothepositive

pole-to-groundandnegativepole-to-groundofbusaftercombination,
thecontinuousoperatingvoltage(Uc)reaches1000VDC.

ThepowersupplymoduleinthecombinerboxcanacceptPVvoltageashighas1000DCV.Themeasure-controlmoduleofcombinerboxadoptshigh-performanceHoneywellHallelements(DCCTsensor),whichcarriesoutmonitoring,alarm

andlocalfaultlocationtoeachPVstring,meanwhile,itmeasuresthetemperatureinsidethecombiner
box,carriesoutstatusinspectiontothelightningprotectorandoutputcircuitbreaker.

Monitoringmoduleinthecombinerboxhasfunctionofdigitaldisplay,itindicatesthecurrent

ofeachPVstring,busvoltage,temperatureinsidethebox,statusofcircuitbreakerandlightning
protector,systempower,equipmentaddressandotherrelevantinformation.

ItisequippedwithRS485/MODBUS-RTUserialportcommunication.Allexternalinterfaceshavelightningprotection.Receiveanddownloadtheparametersoflocalmonitoringdevice,andcarry

outanalysisprocessing.

Workingpowersupplyforcombinerboxcanbe220VAC/DCfromoutside,

alsocanbesuppliedbytheself-containedpowersupplyofcombinerbox.Whenusingtheself-containedpowersupply,usersneednottoarrangeadditionalwiringforthepowersupply.Technicalparameters

ModelSHLX-FL24SHLX-FL16SHLX-FL12SHLX-FL8Inputchannelnumber17~2413~168~12Lessthan8Max.inputvoltage1000VdcInputcurrentofeachchannel0~20AMax.outputcurrent250A160A/200A100A/125A/160A100A
Lessthan100ASizeoftheinputwaterproofterminalPG9/PG11SizeoftheoutputwaterproofterminalPG21~PG29PG19~PG25PG16~PG21PG13.5~PG19Monitoringmodule(optional)Detectcurrentofeachchannel,busvoltage,statusofcircuitbreakerandlightningprotector,boxtemperatureCommunicationmode/protocol(optional)RS485bus/standardMODBUS-RTUprotocolPrevent-reversefunctionCanbeequippedwithmodularizedandencapsulatedprevent-reversediode(optional)TemperatureandhumidityOperatingtemperature:-40~+85ºC,humidity95%,placesfreeofdeworcorrosivegas.Altitude≤4000mPowerconsumptionofmonitoringmoduleWorkinghours≤8WAuxiliarypowersupplyAuxiliarypowersupply:AC85V~265V/DC24V(±10%)/DC200V~1000VManipulator Shaft BoxmaterialHotgalvanizedsteel/stainlesssteel/coldrolledsheet/engineeringplasticsIngressprotectionIP65Volume(WxHxD)850*500*200800*500*180720*500*180650*500*180Weight10~35kgModelSHLX-FL24SHLX-FL16SHLX-FL12SHLX-FL8Inputchannelnumber17~2413~168~12Lessthan8Max.inputvoltage1000VdcInputcurrentofeachchannel0~20AMax.outputcurrent250A160A/200A100A/125A/160A100A
Lessthan100ASizeoftheinputwaterproofterminalPG9/PG11SizeoftheoutputwaterproofterminalPG21~PG29PG19~PG25PG16~PG21PG13.5~PG19Monitoringmodule(optional)Detectcurrentofeachchannel,busvoltage,statusofcircuitbreakerandlightningprotector,boxtemperatureCommunicationmode/protocol(optional)RS485bus/standardMODBUS-RTUprotocolPrevent-reversefunctionCanbeequippedwithmodularizedandencapsulatedprevent-reversediode(optional)TemperatureandhumidityOperatingtemperature:-40~+85ºC,humidity95%,placesfreeofdeworcorrosivegas.Altitude≤4000mPowerconsumptionofmonitoringmoduleWorkinghours≤8WAuxiliarypowersupplyAuxiliarypowersupply:AC85V~265V/DC24V(±10%)/DC200V~1000VBoxmaterialHotgalvanizedsteel/stainlesssteel/coldrolledsheet/engineeringplasticsIngressprotectionIP65Volume(WxHxD)850*500*200800*500*180720*500*180650*500*180Weight10~35kgModelSHLX-FL24SHLX-FL16SHLX-FL12SHLX-FL8Inputchannelnumber17~2413~168~12Lessthan8Max.inputvoltage1000VdcInputcurrentofeachchannel0~20AMax.outputcurrent250A160A/200A100A/125A/160A100A
Lessthan100ASizeoftheinputwaterproofterminalPG9/PG11SizeoftheoutputwaterproofterminalPG21~PG29PG19~PG25PG16~PG21PG13.5~PG19Monitoringmodule(optional)Detectcurrentofeachchannel,busvoltage,statusofcircuitbreakerandlightningprotector,boxtemperatureCommunicationmode/protocol(optional)RS485bus/standardMODBUS-RTUprotocolPrevent-reversefunctionCanbeequippedwithmodularizedandencapsulatedprevent-reversediode(optional)TemperatureandhumidityOperatingtemperature:-40~+85ºC,humidity95%,placesfreeofdeworcorrosivegas.Altitude≤4000mPowerconsumptionofmonitoringmoduleWorkinghours≤8WAuxiliarypowersupplyAuxiliarypowersupply:AC85V~265V/DC24V(±10%)/DC200V~1000VBoxmaterialHotgalvanizedsteel/stainlesssteel/coldrolledsheet/engineeringplasticsIngressprotectionIP65Volume(WxHxD)850*500*200800*500*180720*500*180650*500*180Weight10~35kg
2.Functiondescription:
(1)Solarcellmodule
Solarcellmoduleisthemajorpartinthesolarpowersystem,alsoisthemostvaluable
partinthesystem,itconvertsthesolarradiationenergyintoDCenergy;
ThesolarcellmoduleisasolargeneratingdevicethatconvertsthesolarenergyintoDC
energydirectly.Accordingtouser'srequirementstothepowerandvoltage,itcanbeprepared
intosinglesolarcellmoduleorsolararraythatiscomposedofmanysolarcellmodulesby
meansofserialconnection(tomeetthevoltagerequirement)orparallelconnection
(tomeetthecurrentrequirement).Itisfeaturedwithhighpower-to-arearatio,longservicelifeandhighreliability,in20yearsofservicelife,
itsoutputpowerdecreasegenerallynotexceed20%.
Generallyspeaking,thegeneratedenergyofsolarcellmodulewillscaleupalong
withtheincreaseofsunlightintensity,andreducesslightlyalongwiththeincreaseof
surfacetemperatureofthesolarcellmodule.It'speakpowerWpmeansthevalueof
Imax*UmaxwhenthesunlightintensityisRecycling Machine 1000W/M2,AMis1.5,panelsurfacetemperature
is25ºC.
Alongwiththetemperaturechange,thecurrent,voltageandpowerofsolarcellmodule
willchangecorrespondingly,sothedesignermusttakethevoltagenegativetemperature
coefficientintoconsiderationwhenconnectingthesolarcellmodulesinseries.
(2)Solarcharginganddischargingcontroller
Itisalsocalled"photovoltaiccontroller",itregulatesandcontrolstheelectricenergy
generatedbythesolarcellmodules,andchargesthestoragebatteriestothelargestextent,
while,carriesoutoverchargeandoverdischargeprotectiontothestoragebatteries.
Inplaceswherehavelargetemperaturedifference,thesolarcontrolleralsoshouldhave
functionoftemperaturecompensation.
ThesolarcontrollerismainlyusedtoregulateandcontroltheDCenergygeneratedby
thesolarcellmodules,italsohasintelligentmanagementfunctiontothebatterycharging
anddischarging.Inplaceswherehavelargetemperaturedifference,thesolarcontrolleralso
shouldhavefunctionoftemperaturecompensation.
SelectsuitablesolarcontrolleraccordingtotheDCvoltageclassofsystemaswellasthe
powerofsolarcellmodules,thefrequentlyusedvoltageclassesofsolarcontrollerare
DC12V,24V,48V,110V,220V.
(3)Storagebattery
Itismainlyusedtostoreenergyfornightsorrainydays,arrangetElectronics Stocks henumberof
serial/parallelconnectedstoragebatteryaccordingtosystem'sDCvoltageclass;trytouse
1-2groupsofstoragebatteryoflargecapacity,thefrequentlyusedspecificationsare
12Vand2V;
Pleasefollowtheseprincipleswhenconnectingthestoragebatteriesinparallel:same
model,samespecification,samemanufacturer,samebatch,installanduseatthesame
time.
(4)Off-gridinverter
Itisacorecomponentintheoff-gridpowergeneratingsystem,itconvertsthedirectcurrentintoalternatingcurrentforAC
loads.Inordertoimprovetheoverallperformanceofsolargeneratingsystem,guarantee
long-termstableoperationofpowerstation,
itisveryimportanttochooseinvertersofhighperformanceindexes.
Off-gridinverterisanimportantdeviceinthesolargeneratingsystem,
modelselectionoftheinverterdependsonloadcharacteristic
(suchasresistive,inductiveorcapacitive)andmagnitudeofloadpower.
Parameterlist:Parameters/modelCM2024ZCM3024ZCM2048CM3048Ratedoperatingcurrent20A30A20A30ARatedoperatingvoltage12V/24V48VVoltageofsolarpanel≤50V≤100VFloatchargingvoltage13.8V/27.6V55.2VUnder-voltageprotection10.7V/21.4V42.8VUnder-voltagerecovery12.5V/25.0V50.0VNo-loadloss≤30mACircuitvoltagedrop≤170mVChargingmodePWMmodeTemperaturecompensation-4mV/Cell/ºCInstallationwireno.≤7#AWG(16mm2)Operatingtemperature-10ºC~60ºCStoragetemperature-30ºC~70ºCHumidityrequirement≤90%,nodewRemarkThemodelsuffix"Z"meansautomaticidentificationofsystemvoltageclass,"T"meansthatthecontrollerhasremotemonitoringfunction.