[其它]A novel method to calculate the harmonic currents in a three-phase bridge rectifier

Abstract: This paper presents a novel method to calculated harmonic |=C&JA  
currents on both dc and ac sides in a three-phue bridge rectifier operating @add'>)  
under pre-existing voltage distortion. In the proposed method, which takes C WJGr:}&  
account of the ac side reactances and harmonic voltages already existing in En:.U9?X  
ac network, the calculating equations of harmonic currents of both ac and dc W]!{Y'G  
sides are derived. Some practical rectifier circuits are calculated, and the =yv_i]9AN  
results agree well with the tested ones. Tlus sho .. b[Z5:[@\#  
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