直流輸電物理模擬系統(tǒng)研究.pdf

1、重慶大學(xué)碩士學(xué)位論文直流輸電物理模擬系統(tǒng)研究姓名：王梅芳申請學(xué)位級別：碩士專業(yè)：電氣工程指導(dǎo)教師：牟道槐20040425里塑型苧型蘭魚堡苧萎苧塑要ABSTRACTWiththegeneratorsofThreeGorgespowerstationhavingbeenputintoproductioninsuccession，thesituationsoftransmittingwesternpowertoeast，exchanginge

2、lectricitybetweensouthandnorthandimerlinkinginthewholecountryarebecomingperfectstepbystep，SOmoreandmoreHVDCwillappearinourcountryTherefore，itisimportantbothtosimulateHVDCintwowaysofphysicalandmathematicandtOstudythechara

3、cteristicsofsteadystateandtransientstateOnthebaseofinvestigationontherelatedliteratureofHVDCphysicalmodelandmathematicmodel，usingofsomeoftools，egresembleprinciple，controltheoryMATLAB／simulinktoolsete，consideringthe211pro

4、jectincollegeofelectricalandengineeringatthesametime，thisdissertationmainlyresearchestheHVDCphysicalmodelThemainWOrksinthisdissertationareasfollows：(1)InordertounderstandtheoperationcharacteristicsofHVDC，thehybridnumeric

5、alsimulationofHVDCismadebyusingofMATLAB／simulinktoolsInaddition，thisdissertationalsostudiescharacteristicsoftransientstateandsteadystateofthismodelbymeansofnumericalsimulation(2)ThephysicalsimulationofHVDCprimaryequipmen

6、tsischieflyonthebasisofthemethodofequalitybetweenpuvaluesinresembleprincipleSomeequipments，suchastransmissionlines，commutationtransformersandfilters，areanalyzed，simulatedandcalculatedseparatelyasmainpartsofHVDCinthisdiss

7、ertation(3)TheemphasisinthisdissertationissimulationofHVDCcontrolsystemandHVDCphysicalmodeldevelopmentGivenofthedemandofscientificresearchandthelimitsofcurrentconditionsinlab，thecontrolsystemmodelissuccessfullycompletedb

8、ytogetherwithXiShumanufacturefactoryTheseworksarereadyforstudyingonsystemactionsoccurredinhybridtransmissionfAC—DCa)Thedesignideasoflevelcontrolandstandbyeachotherareputforwardb)TheconFigurationofcontrolsystemmodelissetC

9、)Thedesignsofhardwareandsoftwarearecompletedd1TheallcontrolfunctionsofcontrolsysteminphysicalmodelarerealizedThedevelopmentofHVDCphysicalmodeloffersthereferencegistandexperimentconditiontothestudyofAC—DCcombinedtransmiss