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http://dx.doi.org/10.5370/JEET.2018.13.6.2553

Study on Soft-Switching Transformers Inductor Boost Converter for Fuel Cell Powered Railway Vehicle  

Jung, No-Geon (Dept. of Electrification System Research Team, Korea Railroad Research Institute)
Kim, Jae-Moon (Dept. of Transportation System Engineering, Korea National University of Transportation)
Publication Information
Journal of Electrical Engineering and Technology / v.13, no.6, 2018 , pp. 2553-2560 More about this Journal
Abstract
In Korea, there are no instances where a hydrogen fuel cell power generation system has been used in a railway vehicle. Only the basic topology has been studied. In the previous study, conventional converters using a single switch were applied to the fuel cell power generation system. Therefore, current stress on the switch at converter on-off transitions would be large when controlling a large-capacity railway vehicle. In addition, since the input side ripple is also large, there is a problem with a shortening of the lifetime of both the fuel cell power generation system and the inductor. In this paper, a soft-switching transformer inductor boost converter for fuel cell powered railway vehicles was proposed. A technique to reduce both the switching current stress generated during on-off transitions, and the input ripple current flowing in the inductor were studied. The soft-switching TIB converter uses a transformer-type inductor to configure the entire circuit in an interleaved method, and reduces both input current ripple and the current ripple of the inductor and switch.
Keywords
Fuel cell; TIB converter; Power conversion; Railway; Soft switching;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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