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Active resonant leg-link snubber-assisted three phase soft commutation PFC converter and its practical evaluations

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5 Author(s)
Yoshida, M. ; Graduate Sch. of Electr. & Electron. Eng., Yamaguchi Univ., Japan ; Yamamoto, M. ; Hiraki, E. ; Chandhaket, S.
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This paper presents steady-state and transient-state performance evaluations of active auxiliary resonant commutation snubber (ARCS)-linked three-phase voltage source soft commutation PFC rectifier using a software control scheme which can operate under the conditions of ZVS on all main active power switches in three-phase bridge arm and ZCS on bi-directional auxiliary active power switches in ARCS. This soft switching PFC rectifier is discussed as compared with a three phase hand switching PFC rectifier. The total system performances of digitally-controlled three phase soft switching PFC rectifier with each phase ARCS, which implements instantaneous power feedback and DC voltage feedback control strategies are illustrated and evaluated on the basis of experimental and simulation results, together with power loss analysis

Published in:

Industrial Electronics Society, 2000. IECON 2000. 26th Annual Confjerence of the IEEE  (Volume:4 )

Date of Conference:

2000