X(,473008)[];;;[],[]TN77[]A[]1004-9118(2007)04-0007-03CoolingforExTransducerGAOZheng(NanyangExplosionProtectedElectricalApparatusResearchInstitute,Henan,Nanyang473008)Keywords:Extransducer;cooling;water-cooling;pipeAbstract:Inthisarticle,severalcoolingmethodsadoptedinExtransducerandthecalculationfortheheatoutput.Furthermore,itmakesthecomparisonsontheperformanceandapplicationsamongthem.0,,,,,,,1(1):,,III12,1.7tE;tE(6)GB501502006,4TAW6400kW30P,,,,,,,,,,[1]GB3836.32000,3:e[S].[2].()[M].:,1997.72007,4[]2007-10-15[],,1982,2004,,,(2):,,,,2,:=(kW)55W(1),,:=3%(2)55kW,1.65kW3.02kW,,,33.1,,,:Q=KAT(3)Q,WK,WPm2K,,,5.5,11,0.3A,m2,,:,:A=1.8(+)+1.4,:A=1.4(+)+1.8,:A=1.4(+)+1.8,:A=1.4(+)+1.4,:A=1.8+1.4+,:A=1.4(+)+,,:A=1.4+0.7+T,(),,55kW,,100W(40,30),3.3%6.1%40,,50,,,,,,(),,70%(),,95%,,,,,,,82007,4:,,,1963LosAlamos(),,,(,R-11,,),,,,,,1,,,,,,,,,,,,,;,,,,,,,,13.2,,,,,,30,,,,,4,,,[1],.[M].:,2004.[2].SPWM[M].:,2004.92007,4