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《A Simple Space Vector PWM Generation Scheme for Any General n-Level Inverter》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、IEEETRANSACTIONSONINDUSTRIALELECTRONICS,VOL.56,NO.5,MAY20091649ASimpleSpaceVectorPWMGenerationSchemeforAnyGeneraln-LevelInverterAneeshMohamedA.S.,AnishGopinath,andM.R.Baiju,Member,IEEEAbstractThispaperproposesageneralizedmethodforthetion,andoptimum-switching-sequenceselec
2、tionforthein-generationofspacevectorpulsewidthmodulation(SVPWM)sig-vertervoltagevectors[7][20],[23].Thesectoridentificationnalsformultilevelinverters.Intheproposedmethod,theactualcanbedonebycoordinatetransformation[8],[9],[16]orsectorcontainingthetipofthereferencespacevect
3、orneednotbyrepeatedcomparisonofthethreephasereferencevoltagesbeidentified.Amethodispresentedtoidentifythecenterofasubhexagoncontainingthereferencespacevector.Usingthecenter[7],[15].Thelookuptablescanbeusedfordeterminingtheofthesubhexagon,thereferencespacevectorismappedtoth
4、eswitchingvectorsinoptimumswitchingsequence[6][20].Theinnermostsubhexagon,andtheswitchingsequencecorrespondingcalculationofthedurationoftheswitchingvectorscanbetoatwo-levelinverterisdetermined.Anewtechniqueisproposedsimplifiedusingthemappingtechnique,inwhichtheidentifiedint
5、hispaper,bywhichthesetwo-levelvectorsaretranslatedtothesectorofthemultilevelinverterismappedtoacorrespondingswitchingvectorsofthemultilevelinverterbyaddingthecenterofthesubhexagontothetwo-levelvectors.Theproposedmethodcansectorofthetwo-levelinverter[13][15],[23].beextende
6、dtoanyn-levelinverter,andageneralizedalgorithmTheSVPWMmethodsusingtheprincipleofequivalenceisproposed.Theschemeisexplainedforafive-levelinverter,andwithSPWMcangeneratetheSVPWMsignalsdirectlyfromexperimentalresultsarepresentedforathree-levelinverter.theinstantaneousreferenc
7、ephasevoltagesformultilevelIndexTermsMultilevelinverter,open-endwinding,reverseinverterswithoutusinglookuptables[21],[22].Thefractal-mapping,spacevectorpulsewidthmodulation(SVPWM).basedapproachforSVPWMgenerationusingatriangulariza-tionschemetogeneratethevoltagespacevector
8、salsodoesnotI.INTRODUCTIONrequirelookuptables[23].NTHEFIELDofmedium-andhigh-powerapplications,Th
