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   ELIMINATING 5TH-AND-7TH LINE CURRENT HARMONICS IN AC/DC CONVERTERS BY HARMONIC CURRENTS INJECTION   [View] 
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 Author(s)   Jean-Paul Swan; Robert Bausiere; Guy Seguier 
 Abstract   Elimination of 5th-and-7th line current harmonic components in 3-phase AC-DC converters may be achieved by current injection. Injected current 5th-and-7th harmonics must have the same order, the same rms values and the same phase-angles, respectively, as these of the harmonic components to be eliminated. Analysis of the rms values and phase-angles of 5th-and-7th line current harmonics of a 6-pulse AC-DC converter shows that rms values and phase-angles of the injected currents can be deduced from those of the fundamental component I1 of the line current. The injected currents are generated by a transistor converter which switches a direct current proportional to I1. 
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Filename:Unnamed file
Filesize:2.851 MB
 Type   Members Only 
 Date   Last modified 2021-02-08 by System