Design of an active power factor converter for UPS with backup proton exchange membrane fuel cell/battery

Publication Type:
Conference Proceeding
Citation:
2007 Australasian Universities Power Engineering Conference, AUPEC, 2007
Issue Date:
2007-12-01
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In this paper, a 300 W boost active power factor corrector (PFC) for single-phase high frequency uninterruptible power supply (UPS) with universal input and fixed output voltages is analysed and then designed for backup and emergency power applications. The UPS is supplied by a backup proton exchange membrane fuel cell (PEMFC) and battery hybrid power source, in addition to the main source. The principle and structure of the active PFC are introduced and discussed. Based on the idea of adopting mature technologies, key practical techniques of the design are presented, including the control technique of the active PFC and the design of the boost inductance, capacitances and external circuits. Experimental results show that the active PFC can achieve a fixed output voltage of ±380 VDC within a wide range of input voltage. It owns the advantages of high efficiency, high power factor as close to 1, and total harmonic distortion of less than 5%.
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