Designation:E1171−15StandardTestMethodsforPhotovoltaicModulesinCyclicTemperatureandHumidityEnvironments1ThisstandardisissuedunderthefixeddesignationE1171;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodsprovideproceduresforstressingphotovoltaicmodulesinsimulatedtemperatureandhumidityenvironments.Environmentaltestingisusedtosimulateagingofmodulematerialsonanacceleratedbasis.1.2Threeindividualenvironmentaltestproceduresarede-finedbythesetestmethods:athermalcyclingprocedure,ahumidity-freezecyclingprocedure,andanextendeddurationdampheatprocedure.Electricalbiasingisutilizedduringthethermalcyclingproceduretosimulatestressesthatareknowntooccurinfield-deployedmodules.1.3Thesetestmethodsdefinemountingmethodsformod-ulesundergoingenvironmentaltesting,andspecifyparametersthatmustberecordedandreported.1.4Thesetestmethodsdonotestablishpassorfaillevels.Thedeterminationofacceptableorunacceptableresultsisbeyondthescopeofthesetestmethods.1.5Anyoftheindividualenvironmentaltestsmaybeperformedsingly,ormaybecombinedintoatestsequencewithotherenvironmentalornon-environmentaltests,orboth.Certainpre-conditioningtestssuchasannealingorlightsoakingmayalsobenecessaryordesirableaspartofsuchasequence.Thedeterminationofanysuchsequencingandpre-conditioningisbeyondthescopeofthistestmethod.1.6Thesetestproceduresarelimitedindurationandthere-foretheresultsofthesetestscannotbeusedtodeterminephotovoltaicmodulelifetimes.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedD...
