10kV,,,,,(510600):10kV,。:;;;:TM406:B:1001-8425(2009)09-0031-04ResearchonVibrationof10kVDry-TypeShuntReactorwithCoreLIUShi,XULin-feng,FENGYong-xin,FANLi-li,LAYuan,YAOZe(GuangdongPowerTest&ResearchInstitute,Guangzhou510600,China)Abstract:Theelectricalfaultofa10kVdry-typeshuntreactorwithcoreisanalyzed.Thesuggestionsarepresented.Keywords:Reactor;Vibration;Faultdiagnosis;Frequencyspectrum110kV,,,。,,,,。,,,,46920099TRANSFORMERVol.46SeptemberNo.92009。,,CT(,)。“”CT,,,2。CT,CT,,CT、、,1000MWCT、。:[1]SeelyS.Shieldingelectricalapparatusfromstrayflux[J].Elec.Rev.,1964,175(11):390-399.[2].[D].:,2007.[3]SeelyS.Effectofstrayfluxoncurrenttransformers[J].J.Sci.Tech.,1970,37(3):115-120.[4],,.[J].,2005,3(1):33-34.[5],,.[J].,2006,26(23):167-172.[6].[M].:,1986.:2008-10-30:(1982-),,,,;(1956-),,,,。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!461BKSC-10000/10Fig.1BKSC-10000/10reactor,。。,,,。,,。,,,,,,。,,,。22.1BKSC-10000/10,10kV,10000kvar,10Ω,72dB,1。,,,,,,。,、,,,,2,100Hz。2.22,,:[M]{X咬}+[K]{X}=0(1)[M]———[K]———{X咬}———{X}———,,(1),{F}。,,:[M]{X咬}+[K]{X}={F}(2):{F}=[Pcos(4πft+φ),0,…,0]T,f50Hz,P。:{X}=[X1cos(4πft+φ1),X2cos(4πft+φ2),…,XNcos(4πft+φN)]T(3),,2f=100Hz。,100Hz,,。33.1,,,,,。XK1K22Fig.2Vibrationmodelofreactor32、、10kV9(a)(b)Fig.3Testpoints31086420020406080100/μm4Fig.4Resultsofstaticfrequency/Hz18:10:4018:11:0020015010050020015010050018:09:4018:10:0018:10:2018:11:20/μm5Fig.5Horizontalvibrationdiagramofupperyokeduringoperation6,、、。,,A、C、B,。(C14500A,A15500A,B14000A),。,:(1)。,,;,,,FFT。(2)。,,。,3,,,10min,,。3.2。,,4,9Hz~9.25Hz。,,5,,217μm,10kV~66kV,10000kvar100μm,。,,100Hz(6),,。1。4,,(100μm),100Hz,“”,。,17.213.710.36.93.40014.528.943.457.972.486.810111613011.44/99.66(Hz)/μm61AFig.6Frequencyspectrumofverticalvibrationofloweryokeof1Areactor/Hz3346FQFS7Fig.7Forcediagramofterminalscrewofreactorleadwire1Table1Vibrationdataduringoperation1A15.248.674.211.2811~18100Hz11.486.242.97.15—2B6.95.827.98.910~13100Hz5.74.446.27.16—3B11.211.4510.211.8730~60100Hz9.899.328.35.77—μmM12,,200μm,,,,。,QF,:Q≥CFmfF≤QmfC(4)C———,C=1.1~1.3m———f———,f=0.1~0.15,f=0.15,C=1.2,F≤0.125Q=FS,FS,7。,σS80%。Q≤(0.6~0.7)σSA,Q≤(0.5~0.6)σSA,AA=0.25πd2,M12,d=12mm,360N/mm2,Q≤40.7kN,(4)F≤5.1kN。Sp-p,,,Sp-p=2amax(2πf)2amax=0.5Sp-p(2πf)2,f,100Hz。,m=1.85×104kg,200μm,Fa=mamax=0.5mSp-p(2πf)2=730.3kN,,20μm73.0kN。,,,,,。5,,。,100μm,,,。:[1].750kV[J].,2006,27(10):23-26.[2].[M].:,2000.[3]GB/T3098.6-2000,[S].:2008-08-25:(1974-),,,,、、。34