中英文翻译--光伏系统设计-精品.doc

中英文翻译--光伏系统设计-精品.doc

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PhotovoltaicSystemDesign

1Introduction

AfterPVworkersunremittingefforts,solarcellproductiontechnologyconstantlyimprove,andincreasinglywidelyusedinvariousfields.Postsandtelecommunicationsinparticular,thetelecommunicationsindustryinrecentyearsbecauseoftherapiddevelopmentofcommunicationpowerrequirementshavebecomemoresophisticated,sostableandreliablepowerSolarenergyiswidelyusedincommunications.Andhowthevariousregionsofsolarradiationconditions,tothedesignofbotheconomicandreliablephotovoltaicpowersystem,whichisoneofthemanyexpertsandscholarsstudythelong-standingissue,buttherearemanyexcellentresearchresults,forthedevelopmentofChina'sphotovoltaiclaidasolidfoundation.Theauthorofthestudyatthedesignmethodologyofexpertsfoundthatthedesignhasonlyconsideredtheself-maintenanceofbatterytime（thatis,thelongestconsecutiverainydays）,withouttakingintoaccountthelossofelectricbatteriesassoonaspossibleaftertherecoverytime（ie,twosetsofthelongestcontinuousraindays,theshortestintervalbetweenthedays）.ThisproblemparticularlyinthesouthernChinaregionshouldpaygreatattentiontothesouthernregionbecauseofourrainydayislongtoo,andfortheconvenienceofindependentphotovoltaicpowersystem,becausethereisnootheremergencybackuppowerprotection,sothisproblemshouldbeincludedinthedesignconsideredtogether.

Inthispaper,anintegrateddesignmethodofthepreviousadvantages,combinedwiththeauthorovertheyearsactuallyengagedinthedesignofphotovoltaicpowersystemsexperience,theintroductionoftwosetsofthelongestconsecutiverainydays,theshortestintervalbetweenthenumberofdaysasthebasisforthedesignofone,andcomprehensiveconsiderationofthetheimpactofsolarradiationconditionsofthefactorsthatmadesolarcells,theformulaforcalculatingbatterycapacity,andrelateddesignmethods.

2Manyfactorsaffectthedesign

Sunsolarcellsonthegroundsquareontheradiationoflightspectrum,lightintensitybythethicknessoftheatmosphere（ieairquality）,geographiclocation,thelocationoftheclimateandweather,terrainandsurfacefeaturessuchastheimpactofitsenergyinoneday,Januaryandayearofgreatchange,orevenyearsbetweenthetotalannualamountofradiationTherewerealsolargedifferences.

Squaresolarphotoelectricconversionefficiency,bythebatteryitself,temperature,sunlightintensityandbatteryvoltagefluctuations,whichisthreeinonedaywillchange,sosquarephotovoltaicsolarcellconversionefficiencyisalsovariable.

Batteryischarginginthefloatstate,withthesquareofitsvoltageoutputandloadpowerconsumptionchanges.Batteriestoprovideenergyisalsoaffectedbyenvironmentaltemperature.

Solarenergybatterychargeanddischargecontrollermadebytheelectroniccomponentsmanufacturer,itisalsonecessaryenergy,whiletheuseofcomponentsofperformance,quality,etc.isalsorelatedtothesizeofenergyconsumption,thusaffectingtheefficiencyofcharge.

Loadofelectricity,butalsoasdeterminedbyuses,suchascommunicationsrelaystations,unmannedweatherstationsandsoon,haveafixedpowerequipment.Someequipmentsuchasalighthouse,beaconlights,civilianpowerconsumptionsuchaslightingandequipmentpowerconsumptionareoftenchanging.

Therefore,thesolarpowersystemdesign,theneedtoconsidermanyfactorsandcomplex.Characteristicsare:

thedatausedinmostpreviousstatisticaldata,thestatisticaldatameasurementanddataselectionareimportant.

Designersofthemissionare:

Inthesolarcellmatrixundertheconditionsoftheenvironment（thatis,thesceneofthegeographicallocation,solarradiation,climate,weather,terrainandsurfacefeatures,etc.）,thedesignofsolarcellandbatterypowersystemmatrixisWeshouldpayattentiontoeconomicefficiency,butalsotoensuresystemreliability.

Locationofaparticularenergyofsolarradiationdatatometeorologicalinformationprovidedthebasisforthedesignofsolarcellsusedphalanx.Thesemeteorologicaldatarequiredtochecktheaccumulationofseveralyearsorevendecadesonaverage.

VariousregionsontheEarthbysunlightandradiationchangesinthecyclefortheday,24h.Inasquareareaofsolarcellsalsohavethepoweroutput24hofthecyclicalchangesinitslawsandsunradiationintheregion,thechangesofthesame.However,changesinweatherwillaffectthesquareofthegeneratingcapacity.Ifyouhaveafewdaysconsecutiveraindays,almostsquareonthepowergenerationshouldnotrelyonbatteriestopower,andbatterydepthofdischargeandthenneedtobeaddedassoonaspossiblegood.Mostdesignersinordertoweatherthesuntoprovideadailytotalofradiationenergyortheannualaverag