电子式电流互感器高压侧电源的研制

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,,,,(211102):、,。:;;:TM402:B:1001-8425(2010)05-0005-04DevelopmentofHVSidePowerSupplyforElectronicCurrentTransformerPENGTao,XULei,YINChun,LIJiu蛳hu,LUOSu蛳nan(Nari-RelaysElectricCo.,Ltd.,Nanjing211102,China)Abstract:TheprincipleandcontrolofHVsidepowersupplyofelectroniccurrenttransformerareexpounded.Thetotalstructureisdesigned.Keywords:Electroniccurrenttransformer;HVsidepowersupply;Development1、,(),,。,。21。,,,N2,I2,E2;,N2k,I2k。Udc,,,。,I0N1,:I1N1+I2N2+I2kN2kK=I0N1(1)(1),I1,、,K(K),I2kN2kK,,Φ0,I2N2,E2。。:Φ0=2姨E22πfN2,Wb(2)I1I2kI2E2kE2UdckUdc(N2)(N2k)U21Fig.1DiagramofpowersupplyandcontrolofbusTRANSFORMER47520105Vol.47MayNo.5201047Φ0———,WbE2———,VN2———f———,Hz(2),,Φ0,E2。:Φ0=BSc=2姨μHSc,HLc=I0N1:E2=2πfN2μSc(I0N1)Lc(3)B———,TSc———,m2μ———,H/mLc———,mH———,A/m(3),E2N2、μ、Sc、I0N1,Lc。,,,;,,,,,。,、,。,;,1.25T,(),,E2,。(2),Sc,E2,,,。N2,,,,,[1];,,,,。N2k,,,,,,;,,,,。,(3)、、E2,、。3,,,75Ω,3.69V。,3.69V,18A~5000A,,。1;2、3412A、18A1800A。2、34C1Udck,C2Udc。2,12A,Udck,。3,18A,Udck,;,,K,I1/AUdc/VU2/V123.482.7410000193.69180012.273.69300012.603.69500012.653.69800019.63.69189.783.6930010.883.6960011.533.691Table1Testeddata6、、5t/mst/ms41800AFig.4Rectifiedvoltagewaveformduring1800AofbuscurrentUdckC1UdcC2UdckC1Udct/msC2t/ms212AFig.2Rectifiedvoltagewaveformduring12AofbuscurrentUdckC1UdcC2t/mst/ms318AFig.3Rectifiedvoltagewaveformduring18Aofbuscurrent(12)747:2009-07-20:(1975-),,,、,、CAD/CAM/CAE、;(1956-),,,,、、CAD/CAE/CAM;(1953-),,,,,、。。(3),。(4)15.5%,。,,10%。:[1].[M].:,1974.[2].[J].,1999(5):23-24.[3],,.R[J].,2003,14(20):1745-1748.[4],,.[J].,2004,24(2):166-170.[5],.(2)[M].:,1991.[6]LiuGR,QuekSS.Thefiniteelementmethod:apracticalcourse[M].Oxford:Butterworth-Heinemann,2003.[7]JacekS,AndrzejJN.Experimentalvalidationofthecoupledfluidflowheattransferandelectromagneticnu-mericalmodelofthemedium-powerdry-typeelectricaltransformer[J].Int.J.Therm.Sci.2008,47:1393-1410.[8]GB8286—2005,[S].[9].[M].:,1991.(7)Udck。4,1800A,Udck,。12~4。(1)18A,3.69V,18A。(2)18A8000A,,Udc9.778V12.65V,,3.69V。(3)8000A10000A,19.6V19V,。,,,。18A,。,,,,;,。:[1],,,.[J].,2006,25(5):99-102.:2009-07-13:(1978-),,,,;(1976-),,,,;(1978-),,,,。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!12

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