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Novel Multiple Output Converter using Quasi Load
Kyusik Choi(최규식),Byeongchul Hyun(현병철),Seoungwoon Lee(이승운),Bohyung Cho(조보형) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
In this paper, a novel multiple output converter using quasi load is proposed. Conventional multiple output converters using multiwinding transformer has poor output voltage regulations. To solve this problem, there are many proposals like post regulation method, weighted control method, and etc. However, the post regulation method regulates output voltage tightly but its conduction loss and cost are increased. And the weighted control can achieve high efficiency and low cost but its regulation is not enough. To solve these problems, this paper proposes a novel multiple output converter using quasi load. The proposed method uses a quasi load which acts like an active dummy load for tight regulation but there is rarely increase of loss and cost. The proposed method is verified by hardware test by two output(24V and 15V) flyback type converter.