넓은 입력 전압 범위에서 작은 트랜스포머 오프셋 전류를 가지는 비대칭 하프-브리지 컨버터 An Asymmetric Half-Bridge Converter with Reduced Transformer Offset Current in Wide Input Voltage Range

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An asymmetric half-bridge is one of the most promising topology in low-power application because of its small number of components and inherent zero-voltage switching capability. However, when it is designed taking into a hold-up time, it has large transformer offset current and small transformer turns-ratio, which severely decreases the total efficiency of s converter. In this paper, a new boost-integrated asymmetric half-bridge converter is proposed to solve these problems. The integrated boost converter compensates the hold-up time, thus facilitating optimal design in nominal state. As a result, the proposed converter can achieve high efficiency in nominal state. To verify the effectiveness of the proposed converter, an experiment is conducted using a 250-400 V input and 45 V/3.3 A output prototype.
Publisher
전력전자학회
Issue Date
2017
Language
Korean
Citation

전력전자학회 논문지, v.22, no.5, pp.431 - 439

ISSN
1229-2214
DOI
10.6113/TKPE.2017.22.5.431
URI
http://hdl.handle.net/10203/241157
Appears in Collection
EE-Journal Papers(저널논문)
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