基于電流反饋控制的串聯(lián)型電能質(zhì)量補償器spqc的研究

1、東南大學碩士學位論文基于電流反饋控制的串聯(lián)型電能質(zhì)量補償器（SPQC）的研究姓名：燕翚申請學位級別：碩士專業(yè)：電力系統(tǒng)及其自動化指導教師：唐國慶20040301東南大學碩士學位論文StudyofSedesPowerQualityCompensator(SPQC)withCurrentFeedbackControlStrategyHuiYan，SoutheastUniversityMentor：ProfGuoqingTangAbstrac

2、t：Seriespowerqualitycompensator(SPQC)isapowerelectronicequipmentdesignedtomitigatevoltagedisturbancesinformsofvoltagesags，voRageswells，andvoltageharmonicsTheSPQCinjectsseriesvoltagetoeliminatethevoltagedisturbancesbycomb

3、iningseriesvoltagesourcedinverters(VSI)withadc1inkcapacitorandashuntrectifierThetheoryandcontrolstrategyarediscussedatdetailandadesignofdiagnosistoolforSPQCisrepresentedFirstcompensationtheoryanddetectionmethodofSPQCared

4、iscussedatdetailAndrunningconditionsofSPQCaleanalyzedandbasedonit，capacityformulasareinducedInviewthatthevalidityandtheeffectivenessoftheSPQCdependontheaccuracyandthedynamicbehaviorofthecontrolstrategiesadopted，thestudyo

5、fthecontrolstrategyistheemphasisofthepaperInordertoanalyzecontrolstrategies，abasicmodeloftheSPQCissetupbyadoptingthestatespaceaveragingmethodAndthebehaviorofVSlsandtherectifierisexpressedindifferentialequationformsBasedo

6、nthestatespaceaveragingmodeloftheSPQg，thetransferfunctionandtheblockdiagramoftheexifingopen—loopcontrolstrategyforVSIsarerepresentedThereiserrorexistinginevitablyduetotheexistencetheinductanceandtheresistanceoftheseriesf

7、ilmrandtheseriestransforlllerOneplantomitigatetheerroristoincludeinnerfeedbackloopsAndinordertegulatethevoltageacrossthedclinkcapacitoraproportionalplusintegralcontrolstrategyfortherectifierisdiscussedThen，thedesignofafa

8、ultdiagnosissystemcombingANNandexpertsystemisrepresentedatdetailSimulationresultsandexperimentalresultsonSPQCverifythevalidityandtheeffecfivenessofthecontrolstrategyKeywordsPowerqualitySPQC，state—spaceaveragingcontrolstr