Designation:E2527−15StandardTestMethodforElectricalPerformanceofConcentratorTerrestrialPhotovoltaicModulesandSystemsUnderNaturalSunlight1ThisstandardisissuedunderthefixeddesignationE2527;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheelec-tricalperformanceofphotovoltaicconcentratormodulesandsystemsundernaturalsunlightusinganormalincidencepyrheliometer.1.2Thetestmethodislimitedtomoduleassembliesandsystemswherethegeometricconcentrationratiospecifiedbythemanufacturerisgreaterthan5.1.3Thistestmethodappliestoconcentratorsthatusepassivecoolingwherethecelltemperatureisrelatedtotheairtemperature.1.4Measurementsunderavarietyofconditionsareal-lowed;resultsarereportedunderaselectsetofconcentratorreportingconditionstofacilitatecomparisonofresults.1.5Thistestmethodappliesonlytoconcentratorterrestrialmodulesandsystems.1.6Thistestmethodassumesthatthemoduleorsystemelectricalperformancecharacteristicsdonotchangeduringtheperiodoftest.1.7Theperformanceratingdeterminedbythistestmethodappliesonlyattheperiodofthetest,andimpliesnopastorfutureperformancelevel.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D6176PracticeforMeasuringSurfaceAtmosphericTem-peraturewithElectricalResistanceTemperatureSensorsE772TerminologyofSolarEnergyConversionE816TestMethodforCalibrationofPyrheliometersbyComparisontoReferencePyrheliometersE1036TestMethodsforElectricalPerformanceofNoncon-centratorTerrestrialPhotovoltaicModulesandArraysUsingReferenceCells2.2IEEEStandard:IEEE929-2000RecommendedPracticeforUtilityInterfaceofPh...
