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Liu, Y.-H.

Paper Title Page
WEPD072 Conductive EMI Test of Magnet Power Supply in NSRRC 3266
 
  • Y.-H. Liu, J.-C. Chang, C.-Y. Liu
    NSRRC, Hsinchu
  
 

The pur­pose of this paper is to es­ti­mate the con­duc­tive Elec­tro­mag­net­ic In­ter­fer­ence (EMI) from mag­net power sup­ply in NSRRC. A LISN sys­tem was con­duct­ed to mea­sure the EMI spec­trum of power sup­ply. The dif­fer­ent fre­quen­cy range of con­duc­tive EMI was mea­sured. For the fu­ture TPS(Tai­wan Pho­ton Source) power sup­ply de­sign, the EMI sig­nals must be lower than TLS kick­er. There­fore re­duc­ing and elim­i­nat­ing the in­ter­fer­ence of elec­tro­mag­net­ic waves will be a very im­por­tant issue. A fil­ter and shield­ing method were used to test the ef­fects of re­duc­ing EMI. The EMI pre­ven­tion scheme will be used in the fu­ture.