基于靜止變頻調(diào)速系統(tǒng)的抽水蓄能機(jī)組起動(dòng)研究.pdf

1、天津大學(xué)博士學(xué)位論文基于靜止變頻調(diào)速系統(tǒng)的抽水蓄能機(jī)組起動(dòng)研究姓名：趙相賓申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：電機(jī)與電器指導(dǎo)教師：夏長(zhǎng)亮20070601ABSTRACTTakingthethree—phasebridgestaticfrequencyconverter(SFC)systemastheresearchobject，assimilatingthenoveldevelopmentsandengineeringapplicationsint

2、herecentyears，thispaperdealswiththestartoftheSFCsystemandthepumpedstoragepowerstationThesystemiscomposedofAC—DCACcurrentconvertersynchronousmotorrotorpositiondetectorandcontrolcircuitThesystemhastheadvantagesofboththeDCm

3、otorspeedregulationfunctionandthesynchronousmotorsimplemaintenanceSoitisbroadlyusedinaircompressorwaterpump，papermaking，exaltation，mill，pumpedstoragepowerstationandotherspeedregulationoccasionsThemaincontentsinthepaperar

4、eshowedinthefollowingparagraph(1)Combinedwiththelarge—capacitySFCsystem，theconvertercontrolmethodoftheconstantmargin—angleisanalyzedAndtheunstableproblemissolvedbyusingthepapermethodThereliabilityofthecontrolmethodisprov

5、edbyengineeringapplication(2)ThecalculationmethodofeachpartofSFCsystemisproposed，whichismostlyincludesthemaincircuitparameterstarttime，calculationofmaincircuitequalvoltageparameterandSOonItprovidesbetterbasicandreference

6、platformforotherapplications。(3)TheexperimentcircuitofhighvoltageSFCsystemthyristorvalveisdesigned，andtheloadonthethyristorvalveisrevealedcorrectlyItsapplicationapparentlyreducestheequipmentcapacitywhichisneededwhentheex

7、perimentworking，andprovedtObegoodtestequivalencebyengineeringapplications(4)ThebasicprincipleandautomaticcontrolsystemofXianghongdianpumped。storagepowerstationisintroduced，thenthesystemregulationproblemsareanalyzed’／(5)A