The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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The Topology of Soft Switching Boost Type DC-DC Converter using a Passive Auxiliary Resonant Snubber

패시브 보조 공진 스너버를 이용한 소프트 스위칭 승압형 DC-DC 컨버터의 토폴로지

  • Sung, Chi-Ho (Dept. of Electrical Engineering, Pukyong National University) ;
  • Park, Han-Seok (Dept. of Electrical Engineering, Pukyong National University)
  • Received : 2015.07.28
  • Accepted : 2015.08.07
  • Published : 2015.09.01
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Abstract

In this paper, we propose a boost DC-DC converter using a modification of the passive auxiliary resonant snubber circuit with a DC-DC converter in a typical active auxiliary resonant snubber-bridge inverter. The proposed boost DC-DC converter is small compared to the DC-DC converter according to the soft-switching scheme that requires a general auxiliary switch by realizing the soft switching operation as a DC-DC converter which does not require an auxiliary switch. It is light-weight, switch the turn-on and turn-off switching loss at the time of the superposition of the voltage and current is extremely small, so small. And the reduction of the surge voltage and current of the switch. In addition, the proposed boost DC-DC converter has a high efficiency over a wide load characteristics change area than conventional hard switching PWM boost converter using an RC snubber loss.

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References

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