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Current-doubler rectifiers are well-known in conjunction with double ended buck-derived isolated converters. One major purpose for its implementation is the reduction of power losses in the transformer secondary winding. The topic of this paper is an extension to this approach and presents a detailed analysis of a current-doubler rectifier used in an LLC resonant converter. The analysis uses the first...
Power Factor Correction (PFC) has been established for a long time to fulfill the harmonic standards. To meet the demand for a compact, efficient solution, a so-called True Bridgeless Single Stage PFC was recently introduced. By eliminating the input rectifier the efficiency is significantly improved. In addition, this topology provides galvanic isolation while employing only one single active switch...
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