Novel high step-up DCDC converter for fuel cell energy conversion system

Shih Kuen Changchien, Tsorng Juu Liang, Jiann Fuh Chen, Lung Sheng Yang

Research output: Contribution to journalArticlepeer-review

339 Citations (Scopus)


A novel high step-up dcdc converter for fuel cell energy conversion is presented in this paper. The proposed converter utilizes a multiwinding coupled inductor and a voltage doubler to achieve high step-up voltage gain. The voltage on the active switch is clamped, and the energy stored in the leakage inductor is recycled. Therefore, the voltage stress on the active switch is reduced, and the conversion efficiency is improved. Finally, a 750-W laboratory prototype converter supplied by a proton exchange membrane fuel cell power source and an output voltage of 400 V is implemented. The experimental results verify the performances, including high voltage gain, high conversion efficiency, and the effective suppression of the voltage stress on power devices. The proposed high step-up converter can feasibly be used for low-input-voltage fuel cell power conversion applications.

Original languageEnglish
Article number5291789
Pages (from-to)2007-2017
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Issue number6
Publication statusPublished - 2010 Jun

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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