简介：In2001,CSRpowersupplysystemmadeagreatprogress.ThreeprototypesweredesignedforCSRquadrupleandcorrectmagnet.Threedifferentcompaniesprovidedthethreeprototypes,butthesamecircuit-chopperwereemployed.ThesimplifieddiagramisshowedinFig.1.Allpulsedswitchingpowersupplyprototypesweretestedsuccessfullybeforetheendof2001.
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