基于MATLAB光伏发电系统设计与仿真

2013520ControlEngineeringofChinaMay2013Vol．20S01671-78482013S0-0026-042012-07-042012-09-251988-。MATLAB201620。。MATLAB。BoostMATLAB。TP27ADesignforPhotovoltaicPowerGenerationSystemBasedonMATLABZHANGHuan-huanCollegeofInformationScienceandTechnologyDonghuaUniversityShanghai201620ChinaAbstractWiththegradualdepletionoftraditionalfossilfuelsnowadaysphotovoltaicpowergenerationsystemhasbecomeahotspot．Theefficiencyconversionofsolarphotovoltaicpowergenerationhasbecomeakeyissueofsolarenergy．Accordingtotheproblemofim-provingthesolarphotovoltaicpowergenerationefficiencythispaperdesignedaphotovoltaicpowergenerationsimulationsystem．ThroughthemathematicalanalysisofsolarphotovoltaiccellsthispaperbuiltthemathematicalmodelandusedMATLABtosimulateandanalyzetheruleofvoltageandpowerofthesolarcell．Inordertoachievealgorithmsimplificationandbettercontroleffectthispa-perimprovedthegeneralconductanceincrementmethod．AccordingtothemathematicalmodelandvoltageandpowervariationruleonthebasisoftheimprovedconductanceincrementalmethodthispaperproposedamaximumpowerpointtrackingstrategybasedonBoostcircuitandbuildasystemmodelinMATLABsimulation．Accordingtothesimulationresultsthereissomejitteroftheimprovedcon-ductanceincrementalmethodbuttothewholefunctionandefficiencythisstrategycanrealizethemaximumpowerpointtrackingbetterthanthegeneralconductanceincrementmethod．KeywordsphotovoltaiccellsmaximumpowerpointtrackingMPPTconductanceincrementalmethod1。、1。。。2。MPPT。MPPT。2、、、MPPTPWM5。MPPTPWM。3ILIL、。IdId=I0expqUdAKT－11I0P-N。A2-5。Ud。Rs10Ω、、、。Rsh3。P-N4。1。1。Iph=IL－Id－Ish2Id=I0expqUdAKT－13Ud=V+IRs4Id=I0expqV+IRsAKT－15Ish=V+IRsRsh6Iph=IL－I0expqV+IRsAKT－1－V+IRsRsh7q1．6*10－19CK1．38*10－23J/KTt+273KARsRsh。4MPPTMPPTMPPT1。。2。。3。dp/du=0pu。dp/du＞0dp/du＜0dp/du=0。。。。·72·MATLAB5。。dudpdp*dudp*du=0dp*du＞0dp/du＜0。dudidp52dp*du。。54、DC-DC、MPPT、PWM。17Matlab25℃1000W/m2STcVIMATLABPV6。251000W/m2800W/m2600W/m2400W/m2U-P①。②。③dp*du＞0dp*du＜0dp*du=0MPPT7。2DC-DCDC-DCBoost82。2L1=10mHC2=300pFRL=20Ω。3MPPTMPPTV、Idudp0.001Vref。dp/duU-Pdp*du9。4PWMMPPTPWMBoostIGBTMPPT。642TimerTimer12MPPTMPPTPWM2·82·2010。10℃1000W/m20.2s2000W/m20.3s200.04s0.2s2000W/m20.04s0.3s20℃3。3、7MPPT。。。、。1．M．．2011．2．M．．2010．3．M．．2000．4．D．．2007．5．M．．2011．6．MATLABM．．2012．7．MATLAB—M．．2007．8．M．．2010．9．M．．2010．10．Matlab/SimulinkJ．．2011281檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪38-39．253NAP4AGO5HVGO。3、45QGSONAP1.52%AGO0.67%HVGO1.14%。COT。5、。。。BQEAQP-SO7。“”。1JHHolland．AdaptationinnaturalandartificialsystemM．AnnArborUniversityofMichiganPress19751-53．2KennedyJEberhartRC．ParticleswarmoptimizationC//Pro-ceedingofIEEEInternationalConferenceonNeuralNetworks．PerthAuslralia19951942-1948．3KirkpatrickSJrGelattCDVecchiMP．Optimizationbysimula-tedannealingJ．Science198322011651-671．4StormRPriceK．Differentialevolution-asimpleandefficientheu-risticforglobaloptimizationovercontinuousspacesJ．JournalofGlobalOptimization199711341-359．5LIPCLISY．Quantum-inspiredevolutionaryalgorithmforcon-tinuousspacesoptimizationbasedonBlochcoordinatesofqubitsJ．Neurocomputing200872581-591．6HanKKimJH．GeneticquantumalgorithmanditsapplicationtocombinatorialoptimizationproblemsC．Proceedingsofthe2000IEEEConferenceonEvolutionaryComputationPiscatawayIEEEPress20001354-1360．·92·MATLAB