简介：Inapoloidalfield(PF)convertermodule,fuseprotectionisofgreatimportancetoensurethesafetyofthethyristors.Thefuseispre-selectedinatraditionalwayandthenverifiedbyfiniteelementanalysis.A3DphysicalmodelisbuiltbyANSYSsoftwaretosolvethethermalelectriccoupledproblemoftransientprocessincaseofexternalfault.Theresultshowsthatthismethodisfeasible.

简介：Athreedimensionalbounce-averagedFokker-Planck(FP)numericalcodehasbeennewlydevelopedbasedonfullyimplicititerativesolvingmethod,andrelativisticeffectisalsoincludedinthecode.Thecodehasbeentestedagainstvariousbenchmarkcases:OhmicconductivityinthepresenceofweakOhmicelectricfield,runawaylossesofelectronsinthepresenceofstrongOhmicelectricfield,lowerhybridcurrentdriveandelectroncyclotroncurrentdriveviatwo-orthree-dimensionalsimulation.Allthetestcasesrunfastandcorrectlyduringcalculations.Asaresult,thecodeprovidesasetofpowerfultoolsforstudyingradiofrequencywaveheatingandcurrentdriveintokamakplasmas.