Journal
FRONTIERS IN ENERGY RESEARCH
Volume 11, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fenrg.2023.1118743
Keywords
micro fuel cell; micro power system; power control; fuel cell stability; DC-DC converter
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This article presents an output power regulation system for micro fuel cells to enhance the stability in a portable micro power system. The structure of an MCU-controlled DC-DC converter is proposed and the output characteristics of a selected fuel cell stack, as well as the power control functions of the converter, are estimated using a system-level model. Based on simulation results, the model provides a power regulation system that effectively regulates the output power to a fixed level of 5 W-40 W with good efficiency.
This article presents an output power regulation system for micro fuel cells to help enhance the stability of the fuel cell in a portable micro power system. The structure of an MCU-controlled DC-DC converter is proposed. Then, the output characteristics of a selected fuel cell stack and the DC-DC converter's power control functions are estimated by a system-level model. Based on the simulation results, the model provides a power regulation system which is implemented, and the test shows that it fulfills its intended function and the output power is regulated to a fixed level of 5 W-40 W with good efficiency.
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