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Energy management in fuel cell power trains

机译：燃料电池动力总成的能源管理

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摘要

In this paper, experimental results obtained on a small size fuel cell power train (1.8 kW) based on a 500 W proton exchange membrane (PEM) stack are reported and discussed with specific regard to energy management issues to be faced for attainment of the maximum propulsion system efficiency. The fuel cell system (FCS) was realized and characterized via investigating the effects of the main operative variables on efficiency. This resulted in an efficiency higher than 30% in a wide power range with a maximum of 38% at medium load. The efficiency of the overall fuel cell power train measured during both steady state and dynamic conditions (European R40 driving cycle) was about 30%. A discussion about the control strategy to direct the power flows is reported with reference to two different test procedures used in dynamic experiments, i.e., load levelled and load following.
机译：在本文中，报告并讨论了基于500 W质子交换膜（PEM）堆栈的小型燃料电池动力总成（1.8 kW）上获得的实验结果，并具体讨论了要实现最大功率需要面对的能源管理问题推进系统的效率。通过研究主要操作变量对效率的影响，实现并表征了燃料电池系统（FCS）。这导致在宽功率范围内的效率高于30％，在中等负载下的效率最高为38％。在稳态和动态条件下（欧洲R40行驶周期）测得的整个燃料电池动力总成的效率约为30％。参照动态实验中使用的两种不同测试程序，即负载均衡和负载跟随，报告了关于控制功率流的控制策略的讨论。

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