中英文翻译--光伏系统设计-精品.doc
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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
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