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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.9 No.4
- 발행연도
- 2014.7
- 수록면
- 1,296 - 1,308 (13page)
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초록· 키워드
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This paper presents a new zero voltage switching (ZVS) converter for medium power and high input voltage applications. Three three-level pulse-width modulation (PWM) circuits with the same power switches are adopted to clamp the voltage stress of MOSFETs at Vin/2 and to achieve load current sharing. Thus, the current stresses and power ratings of transformers and power semiconductors at the secondary side are reduced. The resonant inductance and resonant capacitance are resonant at the transition interval such that active switches are turned on at ZVS within a wide range of input voltage and load condition. The series-connected transformers are adopted in each threelevel circuit. Each transformer can work as an inductor to smooth the output current or a transformer to achieve the electric isolation and power transfer. Thus, no output inductor is needed at the secondary side. Three center-tapped rectifiers connected in parallel are used at the secondary side to achieve load current sharing. Compared with the conventional parallel three-level converters, the proposed converter has less switch counts. Finally, experiments based on a 1.44kW prototype are provided to verify the operation principle of proposed converter.
목차
Abstract
1. Introduction
2. Circuit Configuration
3. Operation Principle
4. Circuit Characteristics
5. Design Example and Experimental Results
6. Conclusion
References
참고문헌 (19)
참고문헌 신청
1. [학술지(정기간행물)] - H. Akagi / 2011 / Control and Design of a Modular Multilevel Cascade BTB System Using Bidirectional Isolated DC/DC Converters / IEEE Transactions on Power Electronics 26 (9) : 2457 ~ 2464
2. [학술지(정기간행물)] - J. Rodriguez / 2002 / Multilevel inverters: a survey of topologies, controls, and applications / IEEE Transactions on Industrial Electronics 49 (4) : 724 ~ 738
3. [학술지(정기간행물)] - J. S. Lai / 1996 / Multilevel converters - a new breed of power converters / IEEE Transactions on Industry Applications 32 (3) : 509 ~ 517
4. [학술지(정기간행물)] - M. Malinowski / 2010 / A survey on cascaded multilevel inverters / IEEE Transactions on Industrial Electronics 57 (7) : 2197 ~ 2206
5. [학술지(정기간행물)] - B. R. Lin / 2009 / Analysis and implementation of a novel soft-switching pulse-width modulation converter / IET Proceedings - Power Electronics 2 (1) : 90 ~ 101
2. [학술지(정기간행물)] - J. Rodriguez / 2002 / Multilevel inverters: a survey of topologies, controls, and applications / IEEE Transactions on Industrial Electronics 49 (4) : 724 ~ 738
3. [학술지(정기간행물)] - J. S. Lai / 1996 / Multilevel converters - a new breed of power converters / IEEE Transactions on Industry Applications 32 (3) : 509 ~ 517
4. [학술지(정기간행물)] - M. Malinowski / 2010 / A survey on cascaded multilevel inverters / IEEE Transactions on Industrial Electronics 57 (7) : 2197 ~ 2206
5. [학술지(정기간행물)] - B. R. Lin / 2009 / Analysis and implementation of a novel soft-switching pulse-width modulation converter / IET Proceedings - Power Electronics 2 (1) : 90 ~ 101
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