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Fuel cell power system and high power DC-DC converter

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3 Author(s)
Haiping Xu ; Center for Power Electron., Chinese Acad. of Sci., Beijing, China ; Li Kong ; Xuhui Wen

This paper discusses the principle and electrical characteristics of the fuel cell, designs an innovative hybrid power system, and proposes a new DC/DC converter scheme to combine the fuel cell with the storage system. An effective converter scheme for the fuel cell is obtained by analyzing the high efficient topology as well as the phase shifted pulse-width modulation. Through comparing several different control modes of converters, a 75-kW prototype system is constructed, moreover, which steady-state operating characteristics are illustrated and discussed in detail. At last, experimental results are also shown to verify the proposed scheme.

Published in:

Power Electronics, IEEE Transactions on  (Volume:19 ,  Issue: 5 )