마그네트론 구동용 단일단 공진형 전원 장치

Abstract

This paper proposed a boost input type single stage resonant power supply for driving magnetron device. The proposed power supply can control both input power factor and output power at the same time. Also, because ZVS is achieved using the resonance between leakage inductance and resonant capacitance, switching losses are drastically reduced. To prevent breakdown or moding phenomenon of the magnetron due to excessive starting voJtage, variable frequency ignition method is also proposed. Experimental results for the prototype power supply are presented and discussed to verifv the validity of the proposed power suppIy