Soft-Switching PWM Boost Chopper-Fed DC-DC Power Converter with Load Side Auxiliary Passive Resonant Snubber

Mantaro Nakamura; Koki Ogura; Mutsuo Nakaoka

Soft-Switching PWM Boost Chopper-Fed DC-DC Power Converter with Load Side Auxiliary Passive Resonant Snubber

Mantaro Nakamura

Koki Ogura

Mutsuo Nakaoka

Vol. 4, No. 3, pp. 161-168, Jul. 2004

10.6113/JPE.2004.4.3.161

DC-DC converter

Boost chopper

Auxiliary passive resonant snubber

Soft switching

PWM

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Abstract

This paper presents a new circuit topology of high-frequency soft switching commutation boost type PWM chopper-fed DC-DC power converter with a loadside auxiliary passive resonant snubber. In the proposed boost type chopper-fed DC-DC power converter circuit operating under a principle of ZCS turn-on and ZVS turn-off commutation, the capacitor and inductor in the auxiliary passive resonant circuit works as the lossless resonant snubber. In addition to this, the voltage and current peak stresses of the power semiconductor devices as well as their di/dt or dv/dt dynamic stress can be effectively reduced by the single passive resonant snubber treated here. Moreover, it is proved that chopper-fed DC-DC power converter circuit topology with an auxiliary passive resonant snubber could solve some problems on the conventional boost type hard switching PWM chopper-fed DC-DC power converter. The simulation results of this converter are illustrated and discussed as compared with the experimental ones. The feasible effectiveness of this soft switching DC-DC power converter with a single passive resonant snubber is verified by the 5kW, 20kHz experimental breadboard set up to be built and tested for new energy utilization such as solar photovoltaic generators and fuel sell generators.

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Cite this article

[IEEE Style]

M. Nakamura, K. Ogura, M. Nakaoka, "Soft-Switching PWM Boost Chopper-Fed DC-DC Power Converter with Load Side Auxiliary Passive Resonant Snubber," Journal of Power Electronics, vol. 4, no. 3, pp. 161-168, 2004. DOI: 10.6113/JPE.2004.4.3.161.

[ACM Style]

Mantaro Nakamura, Koki Ogura, and Mutsuo Nakaoka. 2004. Soft-Switching PWM Boost Chopper-Fed DC-DC Power Converter with Load Side Auxiliary Passive Resonant Snubber. Journal of Power Electronics, 4, 3, (2004), 161-168. DOI: 10.6113/JPE.2004.4.3.161.