Abstract

Hydrogen systems appear as strong contenders to replace batteries in the emergency backup or uninterrupted power supply (UPS) markets. Cost-effective alternatives able to face traditional technologies (such as lead acid batteries and engine-generator sets) that have demonstrated good reliability, flexibility and durability are currently examined by telecommunication wireless operators. In this study is reported a feasibility study for an Uninterruptible Power Supply (UPS) system based on 5 KW class PEM Fuel Cell Power Module in order to compare this solution with a conventional UPS battery based system. A commercialized Power Module was tested to analyze operational performance, time response with variable load, cold start, consumption, efficiency, quality of power.

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