IEC 61725-1997 Analytical expression for daily solar profiles《太阳辐照在一天中分布的分析表达式》.pdf

1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61725 Premiredition Firstedition 199705 Numroderfrence Referencenumber CEI/IEC61725:1997 Expressionanalytique desprofilssolairesjournaliers Analyticalexpression fordailysolarprofilesValiditdelaprsentepublication Lecontenutechniquedespublicationsdel

2、aCEIestcons tammentrevuparlaCEIafinquilreflteltatactuelde latechnique. Desrenseignementsrelatifsladatedereconfirmationdela publicationsontdisponiblesauprsduBureauCentraldelaCEI. Lesrenseignementsrelatifscesrvisions,ltablis sementdesditionsrvisesetauxamendementspeuvent treobtenusauprsdesComitsnationa

3、uxdelaCEIet danslesdocumentscidessous: BulletindelaCEI AnnuairedelaCEI Publiannuellement CataloguedespublicationsdelaCEI Publiannuellementetmisjourrgulirement Terminologie Encequiconcernelaterminologiegnrale,lelecteurse reporteralaCEI60050: VocabulaireElectrotechnique International(VEI),quiseprsente

4、sousformedechapitres sparstraitantchacundunsujetdfini.Desdtails completssurleVEIpeuventtreobtenussurdemande. VoirgalementledictionnairemultilinguedelaCEI. Lestermesetdfinitionsfigurantdanslaprsentepubli cationonttsoittirsduVEI,soitspcifiquement approuvsauxfinsdecettepublication. Symbolesgraphiqueset

5、littraux Pourlessymbolesgraphiques,lessymboleslittrauxetles signesdusagegnralapprouvsparlaCEI,lelecteur consultera: laCEI60027:Symboleslittrauxutiliseren lectrotechnique; laCEI60417: Symbolesgraphiquesutilisables surlematriel.Index,relevetcompilationdes feuillesindividuelles; laCEI60617: Symbolesgra

6、phiquespourschmas; etpourlesappareilslectromdicaux, laCEI60878: Symbolesgraphiquespour quipementslectriquesenpratiquemdicale. Lessymbolesetsignescontenusdanslaprsentepubli cationonttsoittirsdelaCEI60027,delaCEI60417, delaCEI60617et/oudelaCEI60878,soitspcifiquement approuvsauxfinsdecettepublication.

7、PublicationsdelaCEItabliesparle mmecomitdtudes Lattentiondulecteurestattiresurleslistesfigurantlafin decettepublication,quinumrentlespublicationsdela CEIprparesparlecomitdtudesquiatablila prsentepublication. Validityofthispublication ThetechnicalcontentofIECpublicationsiskeptunder constantreviewbyth

8、eIEC,thusensuringthatthecontent reflectscurrenttechnology. Informationrelatingtothedateofthereconfirmationofthe publicationisavailablefromtheIECCentralOffice. Informationontherevisionwork,theissueofrevised editionsandamendmentsmaybeobtainedfrom IEC NationalCommitteesandfromthefollowingIEC sources: I

9、ECBulletin IECYearbook Publishedyearly CatalogueofIECpublications Publishedyearlywithregularupdates Terminology Forgeneralterminology,readersarereferredtoIEC60050: InternationalElectrotechnicalVocabulary(IEV),whichis issuedintheformofseparatechapterseachdealingwitha specificfield.FulldetailsoftheIEV

10、willbesuppliedon request.SeealsotheIECMultilingualDictionary. Thetermsanddefinitionscontainedinthepresentpubli cationhaveeitherbeentakenfromtheIEVorhavebeen specificallyapprovedforthepurposeofthispublication. Graphicalandlettersymbols Forgraphicalsymbols,andlettersymbolsandsigns approvedbytheIECforg

11、eneraluse,readersarereferredto publications: IEC60027: Lettersymbolstobeusedin electricaltechnology; IEC60417: Graphicalsymbolsforuseon equipment.Index,surveyandcompilationofthe singlesheets; IEC60617: Graphicalsymbolsfordiagrams; andformedicalelectricalequipment, IEC60878: Graphicalsymbolsforelectr

12、o medicalequipmentinmedicalpractice. Thesymbolsandsignscontainedinthepresentpublication haveeitherbeentakenfromIEC60027,IEC60417, IEC 60617and/orIEC60878,orhavebeenspecifically approvedforthepurposeofthispublication. IECpublicationspreparedbythesame technicalcommittee Theattentionofreadersisdrawntot

13、heendpagesofthis publicationwhichlisttheIECpublicationsissuedbythe technicalcommitteewhichhaspreparedthepresent publication.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61725 Premiredition Firstedition 199705 Expressionanalytique desprofilssolairesjournaliers Analyticalexpression fordailysola

14、rprofiles G Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalogue CODEPRIX PRICECODE IEC1997Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedecettepublicationnepeuttrereproduiteniut ilise sousquelqueformequecesoitetparaucunprocd,lectronique oumcanique,ycomprislaphotocopieetl

15、esmicrofilms,sans laccordcritdelditeur. Nopartofthispublicationmaybereproducedorut ilizedin anyformorbyanymeans,electronicormechanical,including photocopyingandmicrofilm,withoutpermissioninwritingfrom thepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+4122

16、9190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CommissionElectrotechniqueInternationale InternationalElectrotechnicalCommission2 61725CEI:1997 SOMMAIRE Pages AVANTPROPOS 4 INTRODUCTION . 6 Articles 1 Domainedapplication . 8 2 Dfinitions. 8 3 Profilanalytiquedelclairementsolaire 10 4 Intervall

17、esdevalidit 10 5 Exemples 12 Figures 1 Dfinitiondessymboles 8 2 Exemplesdeprofilsanalytiquesdelclairementsolaire 12 3 Intervalledevaliditdesprofilsanalytiquesdelclairementsolaire. 1261725IEC:1997 3 CONTENTS Page FOREWORD. 5 INTRODUCTION . 7 Clause 1 Scope . 9 2 Definitions. 9 3 Analyticalsolarirradi

18、anceprofile. . 11 4 Rangesofvalidity . 11 5 Examples 13 Figures 1 Definitionofsymbols. 9 2 Examplesofanalyticalsolarirradianceprofiles 13 3 Rangeofvalidityoftheanalyticalsolarirradianceprofiles . 134 61725CEI:1997 COMMISSIONLECTROTECHNIQUEINTERNATIONALE _ EXPRESSIONANALYTIQUEDESPROFILSSOLAIRESJOURNA

19、LIERS AVANTPROPOS 1) LaCEI(CommissionElectrotechniqueInternationale)estuneorganisationmondialedenormalisationcompose delensembledescomitslectrotechniquesnationaux(ComitsnationauxdelaCEI).LaCEIapourobjetde favoriserlacooprationinternationalepourtouteslesquestionsdenormalisationdanslesdomainesde llect

20、ricitetdellectronique.Aceteffet,laCEI,entreautresactivits,publiedesNormesinternationales. Leurlaborationestconfiedescomitsdtudes,auxtravauxdesquelstoutComitnationalintressparle sujettraitpeutparticiper.Lesorganisationsinternationales,gouvernementalesetnongouvernementales,en liaisonaveclaCEI,particip

21、entgalementauxtravaux.LaCEI collaboretroitementaveclOrganisation InternationaledeNormalisation(ISO),selondesconditionsfixesparaccordentrelesdeuxorganisations. 2) LesdcisionsouaccordsofficielsdelaCEIconcernantlesquestionstechniquesreprsentent,danslamesure dupossibleunaccordinternationalsurlessujetstu

22、dis,tantdonnquelesComitsnationauxintresss sontreprsentsdanschaquecomitdtudes. 3) Lesdocumentsproduitsseprsententsouslaformederecommandationsinternationales.Ilssontpublis commenormes,rapportstechniquesouguidesetagrscommetelsparlesComitsnationaux. 4) Danslebutdencouragerlunificationinternationale,lesC

23、omitsnationauxdelaCEIsengagentappliquerde faontransparente,danstoutelamesurepossible,lesNormesinternationalesdelaCEIdansleursnormes nationalesetrgionales.ToutedivergenceentrelanormeCEI etlanormenationaleourgionale correspondantedoittreindiqueentermesclairsdanscettedernire. 5) LaCEInafixaucuneprocdur

24、econcernantlemarquagecommeindicationdapprobationetsaresponsabilit nestpasengagequandunmatrielestdclarconformelunedesesnormes. 6) LattentionestattiresurlefaitquecertainsdeslmentsdelaprsenteNormeinternationalepeuventfaire lobjetdedroitsdepropritintellectuelleoudedroitsanalogues.LaCEI nesauraittretenue

25、pour responsabledenepasavoiridentifidetelsdroitsdepropritetdenepasavoirsignalleurexistence. LaNormeinternationaleCEI61725attablieparlecomitdtudes82delaCEI:Systmes deconversionphotovoltaquedelnergiesolaire. Letextedecettenormeestissudesdocumentssuivants: FDIS Rapportdevote 82/164/FDIS 82/169/RVD Lera

26、pportdevoteindiqudansletableaucidessusdonnetouteinformationsurlevoteayant aboutilapprobationdecettenorme.61725IEC:1997 5 INTERNATIONALELECTROTECHNICALCOMMISSION _ ANALYTICALEXPRESSIONFORDAILYSOLARPROFILES FOREWORD 1) TheIEC(InternationalElectrotechnicalCommission)isaworldwideorganizationforstandardi

27、zationcomprising allnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectoftheIECistopromote internationalcooperationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.To thisendandinadditiontootheractivities,theIECpublishesInternationalStandards.Theirpreparation

28、is entrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmay participateinthispreparatorywork.International,governmentalandnongovernmentalorganizationsliaising withtheIECalsoparticipateinthispreparation.TheIECcollaboratescloselywiththeInternationalOrganization forStand

29、ardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwo organizations. 2) TheformaldecisionsoragreementsoftheIEContechnicalmattersexpress,asnearlyaspossible,an internationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentation fromallinterestedNation

30、alCommittees. 3) Thedocumentsproducedhavetheformofrecommendationsforinternationaluseandarepublishedintheform ofstandards,technicalreportsorguidesandtheyareacceptedbytheNationalCommitteesinthatsense. 4) Inordertopromoteinternationalunification,IECNationalCommitteesundertaketoapplyIECInternational Sta

31、ndardstransparentlytothemaximumextentpossibleintheirnationalandregionalstandards.Any divergencebetweentheIECStandardandthecorrespondingnationalorregionalstandardshallbeclearly indicatedinthelatter. 5) TheIECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforany equipment

32、declaredtobeinconformitywithoneofitsstandards. 6) AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubject ofpatentrights.TheIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardIEC61725hasbeenpreparedbyIECtechnicalcommittee8

33、2:Solar photovoltaicenergysystems. Thetextofthisstandardisbasedonthefollowingdocuments: FDIS Reportonvoting 82/164/FDIS 82/169/RVD Fullinformationonthevotingfortheapprovalofthisstandardcanbefoundinthereporton votingindicatedintheabovetable.6 61725CEI:1997 INTRODUCTION LaprsenteNormeinternationalefou

34、rnitauxfabricantsdemodules,installateurset utilisateurs,unmoyenpoursynthtiserlesprofilsdclairementsolaire.Cesprofilspeuvent treutilisscommerfrencesconjointementaveclesprogrammesutilisateursdesimulation deperformancepourclasseretcomparerlessystmesphotovoltaques.Ilspeuventtreaussi utilisspoursoumissio

35、nsoupropositions. NOTE PourcomparerlessystmesPV,effectuerlaclassificationdessystmesetvaluerlesperformances dessystmesPVspcifiques,dautresparamtrestelsquelatempraturedelairambiant,lavitesseduvent, ladistributiondelclairementspectraletlescaractristiquesdudispositifPV,sontexigs.61725IEC:1997 7 INTRODUC

36、TION ThisInternationalStandard providesmodulemanufacturers,installersanduserswithameans forsynthesizingsolarirradianceprofiles.Theseprofilescanbeusedasareferencein conjunctionwithusersuppliedperformancesimulationprogramsforsizingandcomparing photovoltaicsystems.Theycanalsobeusedintendersorproposals.

37、 NOTE TocomparePVsystems,performsystemsizingandevaluatespecificPVsystemperformance,other parameterssuchasambienttemperature,windspeed,spectralirradiancedistributionandPVdevice characteristicsarerequired.8 61725CEI:1997 EXPRESSIONANALYTIQUEDESPROFILSSOLAIRESJOURNALIERS 1 Domainedapplication Laprsente

38、mthodefournitunequationnormativepourtabliranalytiquementunensemble dedonnesouunecourbedclairementenfonctiondutempspourunejournesolaire synthtique. Lescoefficientsdelquationnormalisepourlesprofilsanalytiquesdelclairementsolaire sontdterminsparlesvaleursmesuresouestimesdelclairementsolairemaximum,par

39、lirradiationsolairejournalireetladuredujoursolaire.Cestroisdonnesdentre dfinissentlacourbedesprofilsanalytiquesdelclairementsolaire.Dpendantdesobjectifs, cesdonnespeuventreprsenterparexempleleplusmauvaisjourdhiveruncertainendroit, oulejourmoyendunesaisondt,etc. ATTENTIONBienquelesrsultatsdrivsdelqua

40、tionnormativesadaptentraisonnablementbienauxdonnes mesuresdecielclair,cettequationnestpasdestineprdireousimulerunejournerelle.Unprofilde lclairementsolairejournalierestdfiniensebasantsurlesvaleurschoisiesparlutilisateurpourlclairement crte,lexpositionnergtiquejournalireetladuretotaledujoursolaire. 2

41、Dfinitions Lessymbolessuivantssontdfinisetillustrssurlafigure1: G = clairementsolaire,W m 2 G max = clairementsolairemaximumdsirmidisolaire( t=0),W m 2 H = expositionnergtiquesolairejournalire,Wh m 2 H d = expositionnergtiquesolairejournaliredsirepourleprofilsynthtis delajournesolaire,Wh m 2 t = heuredelajourne t 0 = heureauleverdusoleil +t 0 = heureaucoucherdusoleil h = duredujoursolaire(2 t 0 ),heures Eclairement, G G max Expositionnergtique, H LeverdusoleilCoucher dusoleil t = t 0 t =0