光伏组件沿海应用白皮书

WhitePaperWhitePaperforCoastalApplicationofPV光伏组件沿海应用白皮DOCNO:DOCNO:PS-M:PAGE1ofWhitePaperforCoastalApplicationofPVAlongwiththecontinuousdevelopmentofPVapplications,thepowergenerationbyPVmodulesisincreasinglypopularizedincoastalandislandregions.ThisWhitePaperaimstoprovidethematterstobenotedduringtheusageofPVmodulesincoastalregionsforthereferencebytheapplicationclientsofPVsystems.Contents SaltFogTestonPVModules光伏组件盐雾测 StructureofPVModule光伏组件结 Anti-corrosionMeasuresforRacksofPVModules光伏组件支架的耐腐蚀措 RecommendationsforCoastalApplicationsofPVModules光伏组件在沿海中应用建 BackgroundGenerally,thesaltconcentrationofseawaterisabout5%,theairhumidityishighinacoastalregionandtheseawater/saltfogmayeasilycorrodethePVmoduleanditsrackinginstalledinsuchacoastalregion,andasaresult,thePVmoduleanditsrackingshallhavesomeresistancetocorrosionandmeettheserviceliferequirements.Ifpartorallofsuchamoduleisimmersedinseawaterduetoforcemajeure(liketsunamiortyphoon),itshallnotbelongtothenormalwarrantyrange.Theislandcountry—Japanisherebytakenforexamplesoastodostatisticsoftheairhumidityalongthe WholeWholeyearRaletive22-yearAverageRelativeHumidity22-yearAverage Thehumidityinthemarineenvironment,throughouttheyear,alsochangesfrom50%to90%,whichisanalternatingprocess.SaltFogTestonPVModules光伏组件盐雾测TosimulatetheapplicationabilityofaPVmoduletoresistthecorrosiveenvironmentalongthecoast,therelevantinternationalcertificationauthorityadoptstheIEC61701-2011&IEC60068-2-52standardsforIEC61701-2011&IEC60068-2-52标Severities(3)—(6)areclosertotheactualapplicationenvironmentalongthecoast;thehighertheseverityis,thestricterthetestingconditionswillbe.Trina’smodulespasstherequirementsofseverity(6)inthesaltfogtest.StructureofPVModuleAnti-corrosionMeasuresforRacksofPVModules光伏组件支架的耐腐Generally,therearecarbonsteelracksandaluminumalloyracks(acasestudyinCarbonsteelracksInJapanesemarket,thegalvanizationforthesteelracksisgenerallyrequiredtobeover70umorspecially80um.Asitisclosetothesea,thegalvanizingcoatcanbethickened.Newanti-corrosionmaterialsareused.Forexample:InJapan,thereisakindofmaterialfromZAMprocess(Zn-Al-Mgcompositeplatedsteel),whoseperformanceis10—20timesthatofthecarbonsteel(butitspriceishigherthanthatofhotdippedzinc);orasprayplasticslayercanbeaddedontotheanti-corrosionlayer.，性能是碳钢的10-20价格比热镀锌贵AluminumalloyracksThesurfaceshouldbeanodized,withtheoxidefilmthicknessofoverRecommendationsforCoastalApplicationsofPV光伏组件在沿海中应DefinitionCoastRackGeneralLDoubleglassCoast50<L<Normal常规/Doubleglass双玻SevereCoastarea海边30<L<DoubleConclusionTheairhumidityinacoastalregionishighandtheseawater/saltfogmayeasilycorrodeaPVmoduleanditsrackinsuchacoastalregion,sosuchaPVmodule