Analysis and design of a single-stage single-switch bi-flyback ac/dc converter
作者： Tae-Jin Chung , Gun-Woo Moon , Myung-Joong Youn
DOI: 10.1080/00207210310001658923
关键词: Boost converter 、 Control theory 、 Ćuk converter 、 Buck converter 、 AC/AC converter 、 Buck–boost converter 、 Engineering 、 Electrical engineering 、 Flyback converter 、 Reservoir capacitor 、 Forward converter
摘要: An analysis and design of single-stage, single-switch bi-flyback ac/dc converter is presented. The main flyback stage controls the output power from link capacitor voltage with Discontinuous Conduction Mode (DCM) or Continuous (CCM) operation, while an auxiliary supplies to directly ac line input DCM operation. This scheme can effectively reduce stress on achieve factor correction (PFC) without a dead band at zero-crossings, which reduces harmonic distortion in current. Theoretical presented guidelines select circuit components are given. experimental results 60 W (15 V, 4 A), 100 kHz show that maximum efficiency around 415 V 82%, respectively. above 0.96 under universal load conditions.
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