Asymmetric dual active clamp forward converter with phase-shift control for small conduction loss = 적은 도통 손실을 위해 위상 천이 기법을 적용한 비대칭 듀얼 액티브 클램프 포워드 컨버터

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In this paper, asymmetric dual active clamp forward (ADACF) converter for reducing the large primary conduction loss is proposed. The proposed converter consists of two cells, and one of ACF cell is changed to achieve high DC voltage gain. In addition, the secondary winding of one transformer is added for additional high DC voltage gain with adjusting the overlapping duty of the two main switches using phase-shift control. Due to the high voltage gain, large turns ratio of transformers can be designed. Therefore, the proposed converter can improve the efficiency by reducing large primary conduction loss without additional semiconductor device. To confirm the validity of the proposed converter, 36-72 VDC input voltage and 480 W(12 V/40 A) output prototype have been implemented.
Advisors
Moon, Gun-Wooresearcher문건우researcher
Description
한국과학기술원 :전기및전자공학부,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학부, 2018.2,[ii, 23 p. :]

Keywords

Asymmetric dual active clamp forward converter▼aDC/AC converter▼ahigh DC voltage gain▼ahigh efficiency▼alow input voltage and wide input voltage range▼aoverlapping duty ratio▼aphase-shift control; 비대칭 듀얼 액티브 클램프 포워드 컨버터▼a오버래핑 듀티▼a높은 전압 이득▼a고효율▼a위상천이 제어

URI
http://hdl.handle.net/10203/266774
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733981&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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