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Performance assessment of a hybrid fuel cell and micro gas turbine power system

机译:混合燃料电池和微型燃气轮机动力系统的性能评估

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In this paper, a hybrid solid oxide fuel cell (SOFC) and micro gas turbine (MGT) power system is parametrically studied to evaluate the effect of different operating conditions. The SOFC/MGT power system includes SOFC reactor, combustion chamber, compressor and turbine units, and two heat exchangers. The effects of fuel utilization, temperature, and pressure are assessed on performance of the hybrid SOFC/MGT power system using energy and exergy analyses. This study reveals that the main exergy loss occurs in the external reformer and the maximum achievable output power is about 7kW for the hybrid system. Finally, the promising first law thermal efficiency of up to 83% is achieved when the second law efficiency enhances to 65% for the hybrid system.
机译:本文对混合固体氧化物燃料电池(SOFC)和微型燃气轮机(MGT)动力系统进行了参数研究,以评估不同工况的影响。 SOFC / MGT动力系统包括SOFC反应堆,燃烧室,压缩机和涡轮机单元以及两个热交换器。使用能量和火用分析评估燃料利用率,温度和压力对混合式SOFC / MGT电力系统性能的影响。这项研究表明,主要的火用损失发生在外部重整器中,混合系统的最大可实现输出功率约为7kW。最后,当混合动力系统的第二定律效率提高到65%时,可实现高达83%的有希望的第一定律热效率。

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