基于MSP430的光伏陣列測試儀的研究.pdf

1、合肥工業(yè)大學碩士學位論文基于MSP430的光伏陣列測試儀的研究姓名：宗桂林申請學位級別：碩士專業(yè)：電力電子與電力傳動指導教師：茆美琴20071201ResearchonMeasurementofSolarArrayBasedonMSP430AbstractWiththedevelopmentofphotovoltaicindustrymoreandmoresolarenergystationswillappear，propersolar

2、arrayconfigurationanditsenergyefficientusagebecomeimportantItisnecessarytotestthecharacteristicofsolararrayInthispaperwecomparedandanalysedthemeasurementofsolararrayultimatelyadoptedtheprincipleofcapacitivechargetestingm

3、ethodsBasedontheresearchedresults，thevoltageandcurrentsignalsaresampledcontinuouslybyahighspeedADC12converterduringchargingcapacitorbysolararray1Inthispaperthehandheldtesterisdesigned，whosepowersupplyisrechargeablelithiu

4、mbatteriesInordertoextendbatterylife，wemustensurethatitisalowpowersystem，usingultra—lowpowerMCUMSP430familyasasystemcontrollerchipsAndswitchingtransistorisaddedinsamplingcircuit，throughthetriode’Sopenedandshutdowntocontr

5、olthesamplingcircuittofurtherreducepowerconsumption2Designtherighthardwarecircuitandsoftwareaccordingtotheprinciplesofcharacteristicmeasure3ChooseafitmathematicmodelofsolararraytOappearthecurveofPVcharacteristicAndestima

6、tethePVcharacteristicinanyconditionsbythesolararraydataacquiredincurrenttemperatureandsunlightintensityThesystemisconvenienttouseandhashighprecisionInadditiontothatthecharacteristicsofsolararraycanbedisplayedindifferentw