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首页> 外文期刊>Energy Conversion & Management >Hydrogen saving through optimized control of both fueling flows of the Fuel Cell Hybrid Power System under a variable load demand and an unknown renewable power profile
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Hydrogen saving through optimized control of both fueling flows of the Fuel Cell Hybrid Power System under a variable load demand and an unknown renewable power profile

机译：通过在可变负载需求和未知可再生功率曲线下优化控制燃料电池混合动力系统的燃料流量来节省氢气

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摘要

A new Energy Management Strategy to save hydrogen is proposed for the Hybrid Power Systems based on Renewable Energies Sources and Proton Exchange Membrane Fuel Cell system used as additional energy sources and backup energy source, respectively. The Power Following control of the Fuel Cell boost converter compensates the requested power on the DC bus in order to mitigate the DC power dynamics due to variability of load demand and uncertainty about available power from renewable sources. Also, two optimization loops based on the Global Extremum Seeking algorithm are used to find the global optimum of the optimization function by real-time control of both fueling rates. The Static Feed-Forward strategy with the same Power Following control is implemented and used as reference in order to compare the hydrogen savings considering the same scenarios for the DC power dynamics (variable or constant load, without or with power from renewable sources).
机译：针对可再生能源和质子交换膜燃料电池系统分别用作附加能源和备用能源的混合动力系统，提出了一种新的节能战略，以节省氢气。燃料电池升压转换器的功率跟随控制可补偿直流母线上的所需功率，以减轻由于负载需求的变化和可再生资源的可用功率的不确定性而产生的直流功率动态。此外，基于全局极值搜索算法的两个优化循环用于通过实时控制两种加油率来找到优化函数的全局最优值。实施具有相同功率跟随控制的静态前馈策略，并将其用作参考，以便在考虑直流功率动态的相同场景（可变或恒定负载，不带或带可再生能源）的情况下比较氢气节省量。

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