基于DSP的電能質(zhì)量在線(xiàn)監(jiān)測(cè)裝置的設(shè)計(jì)與實(shí)現(xiàn).pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文基于DSP的電能質(zhì)量在線(xiàn)監(jiān)測(cè)裝置的設(shè)計(jì)與實(shí)現(xiàn)姓名：周儉節(jié)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：控制理論與控制工程指導(dǎo)教師：陶維青20100301TheResearchandReal／zationofPowerQualityOn1ineMonitorbasedORDSPABSTRACTWiththeincreasingusageofpowerelectronicdevicesandsensitiveloadsinpowersys

2、tems，powerqualityhasattractedtheattentionofpowerengineersoverthepastyearsTheinterestinpowerqualityhasincreasedduringthelatestyearsApowerqualityproblemcanbedefined：problemduetofrequencyvoltageregulation，voltagedips，flicke

3、rtransients，harmonics，andpowerfactorand3phaseimbalanceWiththerisingofthepowerqualitymonitoringcurrentdemand，thispaperpresentsadesignandrealizationofpowerqualityonlinemonitoringdevicebasedonasingle—chipDSPTMS320F2812Thiss

4、ystemmainlyUSeSTMS320F2812’Smultichannelbufferedserialport(McBSP)andmultichannelhigh。speedsynchronousADsamplingchipAD73360torealizethepowerparametersoftherealtimeacquisitionThisdesigntakesadvantageoftheDSPchipandnetwork—

5、chipW5100toachievetheEthernetcommunicationSothedesignrealizesthereal—timeanalysis，storageandremotereportingofvariousindicatorsofpowerqualityThesystembasedonsinglechipDSPinordertomakeitcompact，easytoimplement，costreductio

6、n，andwelladaptedtothepowerqualitymonitoringrequirementsofpowersystemThispaperfocusesonthekeyparametersofpowerqualityinthecalculationmethods，suchasarguablythecalculationofreactivepower，harmonicpowercalculation，voltagefluc

7、tuationsandflickerandSOonComparedandsimulatedseveralkindsofreactivepowercalculationmethods，thispapergetsaconclusionthattheHilbertfiltermethodofnon—sinewavereactivepowercangetahighaccuracyAsforharmonicalgorithm，aftercompa

8、ringavarietyofmethods，thepaperrealizestwoharmonicsalgorithmsbaseonDSPdevelopmentenvironment，ageneralFFTandquasisynchronousDFTFinalyitconcludesthatquasisynchronousDFTmethodcancorrectsynchronizationerrorintroducedbyasmalld

9、riftundertheprerequisiteofgridfrequencyandobtainamoresatisfactoryaccuracyincreasewithoutthecostofhardwareBasedonalargenumberofthereferences，thispaperanalyzesandcomparestheexistingalgorithms，withtheconsiderationofaccuracy

10、andusefulnessThepaperpresentsacompletehardwareandsoftwaredesignimplementationmethodtomeasureeachindicatorparameterofpowerqualitymonitoring，usestheMatlabsoftwaretosimulatethesealgorithmtoverifytheircorrectnessandreliabili

11、ty，andprogramsbytheClanguage，providesthefoundationforpowerqualitymonitoringdeviceFinallythepapersummarizestheworkofthispaperandputsforwardanumberofissuesneededtobefurtherstudiedKeywords：powerqualityonlinemonitoring，AD733