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ID:40947926
大小:728.56 KB
页数:27页
时间:2019-08-11
《Overview_of_the_HVDC_Control_System》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、ABBPowerSystemsTechnicalReportDocumentNumberNoofPagesTheThreeGorges-Changzhou±500kVDC1JNL100033-10627TransmissionProjectNoofAttachedPagesPreparedTitleReg./Classno.KerstinLindén2001-01-08OverviewoftheHVDCControlWS-F-10ApprovedRespDeptSystemAnna-KarinSkytt,2001-03-26LSTThis
2、documentisissuedbymeansofacomputerizedsystem.Thedigitallystoredoriginaliselectronicallyapproved.Theapproveddocumenthasanameanddateenteredintheapproved-field.Amanualsignatureisnotrequired.SummaryThisreportgivesapresentationofthebasicprinciplesoftheHVDCcontrolsystemfortheTh
3、reeGorgestransmissionsysteminaneasilyunderstandableform.Itcoversallessentialcontrolfunctionsusedforpowerflow-controlandreferstofiguresofthetypesblockdiagrams,waveformsandcharacteristics,specificallydrawnforthisreport.Theintentionhasbeentopresentcompactdiagramsinwhichthenu
4、mberofdetailsissufficientenoughtomakeiteasytounderstand,followthesignalpaths,supportedbythewaveformdiagramsandthecharacteristics.RevindRevisiontextPreparedApprovedWereserveallrightsinthisdocumentandinthe-1-informationcontainedherein.Reproduction,useordisclosuretothirdpart
5、ieswithoutexpressauthorityisstrictlyforbidden.ABBPowerSystemsAB(SE)ABBPowerSystemsTechnicalReportOverviewoftheHVDCControlSystem1JNL100033-106TableofContents1INTRODUCTION..................................................................32BASICSOFCONTROLPRINCIPLES..........
6、.......................32.1BasicControlCharacteristics...............................................33THEPOLECONTROLSYSTEM.........................................63.1TheConverterFiringControlCFC).......................................73.1.1Thephased-lockedloop(PLL).....
7、........................................83.1.2Generationofthearesponse,aPCO....................................103.1.3MeasuringaPLL...................................................................103.1.4Firingtimegeneration...............................................
8、..........113.1.5Invertercontrolincommutationmarginmode.....................124THECURRENTCONTROL
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