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http://dx.doi.org/10.5370/KIEEP.2015.64.3.146

The Topology of Soft Switching Boost Type DC-DC Converter using a Passive Auxiliary Resonant Snubber  

Sung, Chi-Ho (Dept. of Electrical Engineering, Pukyong National University)
Park, Han-Seok (Dept. of Electrical Engineering, Pukyong National University)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.64, no.3, 2015 , pp. 146-152 More about this Journal
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.
Keywords
Boost DC-DC converter; Passive auxiliary resonant snubber; High efficiency; Load characteristics; Switching loss;
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