The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Comparison and Analysis of Boost Converter Topologies for the DC/DC Converter in Hydrogen Fuel Cell Hybrid Railway Vehicle

수소연료전지 하이브리드 철도차량용 DC/DC 컨버터를 위한 부스트 컨버터 토폴로지 비교 및 분석

  • Kang, Dong-Hun (Dept. of Electrical Engineering, Myongji University) ;
  • Lee, Il-Oun (Dept. of Electrical Engineering, Myongji University) ;
  • Lee, Woo-Seok (Dept. of Electrical Engineering, Myongji University) ;
  • Yun, Duk-Hyeon (Dept. of Electrical Engineering, Myongji University)
  • Received : 2020.01.19
  • Accepted : 2020.03.25
  • Published : 2020.08.20
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Abstract

In this paper, two types of DC/DC converters in a hydrogen fuel cell hybrid railway vehicle system, which serve to charge high-voltage battery and supply power to an inverter for driving a driving motor, were compared and analyzed. A two-level interleaving boost converter and a three-level boost converter were compared and analyzed, and a theoretical design method was proposed to have an efficiency characteristic of over 95%. In addition, a digital controller design method considering the digital phase delay component of DSP (TMS320F28335) is presented. Finally, the validity of the theoretical design of the converter with 20kW power was verified through static and dynamic experiments respectively.

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References

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