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논문 기본 정보

자료유형
학술대회자료
저자정보
Hisayuki Sugimura (경남대학교) Hideki Omori (Osaka Institute of Technology) Soon-Kurl Kwon (경남대학교) Mutsuo Nakaoka (경남대학교)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2011-ECCE Asia
발행연도
2011.5
수록면
2,336 - 2,343 (8page)

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This paper discusses the circuit topologies for simple three-level phase shift ZVS-PWM DC-DC converters in addition to the proposed three-level diode clamped and flying capacitor hybrid phase shift soft switched PWM high frequency link DC-DC converters for industrial gas metal arc welding machines. The arc welding machines for TIG, MIG and MAG require low voltage and large current DC output for high frequency linked DC-DC converters. These three-level type soft switched PWM converter topologies are suitable for some industrial applications mentioned above because of keeping the reduced device voltage capability for wide load ranges and wider soft switching operating ranges as compared to the full bridge converter. This paper is concerned with the comparative three topologies of diode clamping, flying capacitor and diode clamping and flying capacitor hybrid DC-DC converters. In this paper, the circuit operation principles of these three-level soft switched PWM DC-DC converters, soft switching operating ranges and power regulation characteristics are evaluated on the basis of simulations and experiments from a practical point of view.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. THREE-LEVEL SOFT-SWITCHED PWMDC-DC CONVERTER WITH DIODE CLAMPING SCHEME
Ⅲ. THREE-LEVEL SOFT SWITCHED DC-DC CONVERTER WITH FLYING CAPACITOR
Ⅳ. THREE-LEVEL SOFT SWITCHED DC-DC CONVERTER WITH DIODE CLAMPING AND FLYING CAPACITOR
Ⅴ. COMPARISONS OF THREE CIRCUIT TOPOLOGIES
Ⅵ. CONCLUSIONS
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