대용량에 적합한 영전류 턴_오프 특성을 가진 새로운 공진 폴 인버터
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Abstract -This paper proposes a novel Auxiliary Resonant Commutated Pole Inverter (ARCPI) topology. The conventional ARCPIs make the hard switching at turn-off likewise the conventional PWM inverters. Therefore, turn-off switching losses may be so serious and can be so much considerable in high power level. The proposed ARCPI can solve this problem with high frequency transformers, switches, and capacitors. All the switches in the expanded auxiliary circuit achieves the soft switching and operates only during the commutating intervals The characteristics and the analysis for each operation mode are described in detail and the validity is verified by the simulations and the experimental results