基于DSP的多功能電網(wǎng)電量分析儀的研制.pdf

1、江蘇大學(xué)碩士學(xué)位論文基于DSP的多功能電網(wǎng)電量分析儀的研制姓名：徐維申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電力電子與電力傳動(dòng)指導(dǎo)教師：趙德安20061217江蘇大學(xué)碩士學(xué)位論文AbstractWitIthedevelopmentofthenationaleconomy，theincreaseofelectricpowerconsifitler，especiallytheapplicationofnonlinearloads，thewaveformso

2、fthevoltageandcurrentsaredistortexlseverelyInordertoellsurethepowerqualityofelectricalsystem，itisnecessaryfor115tolearnmuchaboutanalyzingandmeasuringmethodsofharmonicsBasedondemandofthepowermonitoring，thearticleconstruct

3、themultipurposeelectrifiedwirenettingelectricquantityanalysisinsmmlentbasedonDSEInthispaperfirstlyexpatiatethestatusanddevelopn弓Ildofthedomesticandoverseas；analysethemeasurementmethodsoftheelectricparameteronsineconditio

4、n；Thelocalizationofthesineparametermeasuringandtheerrorfortheharmonicintheactualelectricnetisanalysed1rt圮dissertationdetailedlyanalysesthetheoryofmeasuringparameteronthesineconditions，Propossesthearithmeticofusinghighspe

5、edmeasuringandRFFTMoreoverthepapergivesoutthearithmeticofeveryelectricparameterTheRFFTisdetailedlydeducedThemanagingcircuitofthevoItag￡andcurrentwasdesignedinthepapern陀paperchoosetheA／Dconverter；Designtheinterfacebetween

6、theA／D’SconverterandtheDSPbyusingthebufferofFIFO；DesignthehardwareandsoftwareoftheDSP’SsystemIntheinterfaceofthehumanmachine。adopttheLPC932asthemaincontrolleru∞the320x240LCDcontrollingbySEDl335asthedisplayAndgivethedesig

7、nofthehardwareandsoftwareThesystemadoptsdualprocessorcompositionofDSPandMCU，thepropertythatthefastandhighaccuracyofDSPisoperatedThedataisexchangedbetweentheDSPandMCUbyusingserialmodelFinallyGiveoutsystemdebugtogetherwith

8、erroranalysisItisknownthroughthedebugandtest，thestructureofdualprocessorisfitforthedemandofonlineparametertestThetimesofharmoniousisupto39nleaccuracyofmeasurementsatisfythedesignrequirementThisthedesignschemehaveesthevas