嵌入式電力諧波檢測系統(tǒng)的設(shè)計與開發(fā)

1、上海大學碩士學位論文嵌入式電力諧波檢測系統(tǒng)的設(shè)計與開發(fā)姓名：潘竹生申請學位級別：碩士專業(yè)：計算機應(yīng)用技術(shù)指導教師：童維勤20080101上海大學碩士學位論文ABSTRACTWithboostingmodemizationandinforrhationization，moreandmorenon。linearloadsrunthroughthepowerlineandproducemassofharmonicwaves，whichgene

2、ratesheavierharmonicpollutionandbringsagreatimpactonthesafetyofpowersystemAsthefoundationoftheharmonicresearchharmonicmeasurementnotonlyhedgesthedamageofharmonicbutalsoguaranteesthepowergirdsafetybymeasuringtheharmonicin

3、realtimeandknowingtlleirstatusAtpresent，domesticmeasurementdevicesonlyhaveordinaryfunctionswithlowprecisionwhilef10rei印equipmentsarehighprecisionbuttooexpensiveMostofthesedevicesareshortofnetworkinterfaces，SOtheycannotme

4、etthereal—timeon—linemonitoringrequirementsThisthesisputsforwardanewdetectingmethod：usingakindofhighspeedandhighprecisionADCtoperformacquisitionofanalogdatatobuildalowcost，highprecision，real—timeharmonicmeasurementappara

5、tuswithafriendlyuserinterfaceandabundantperipheralinterfacesEspeciallythisdeviceisbasedondualcorearchitecturecomposedofARMprocessorandhi曲speedDSPprocessorTheARMprocessorprovideshuman—computerinterfaceandnetworkconnection

6、s，whilethehighspeedDSPdealswithdataacquisitionandsignalanalysisThecontributionsofthisthesisare嬲follows：IThethesisanalysesthedisadvantagesoftraditionalharmonicmeasurementequipment，anddesignsauniversaldataacquisitionandana

7、lysisplatformonthebasisofARMandDSParchitectureTheplatformhasbeenappliedtothefieldofharmonicmeasurement2Animprovingsynchronizationsamplingmethodisproposedbyconsideringthefactorswhichinfluencetheprecisionofharmonicmeasurem

8、entMeanwhile，thisthesisadoptswindowsandinterpolatedFFTmethodtoimplementtheharmomicanalysis3AdataacquisitionandprocessingsystemwiththeDSPkernel，whichbearsthecharacteristicsofmulti—channelandhi曲一precision，hasbeendesignedan