【摘要】 海上风电离网制氢是一种经济有效的利用海上风能的方式，在海上风电离网制氢项目中，往往需要多台碱性电制氢机组形成集群消纳风机功率，功率分配策略能很大程度地影响系统能量效率与系统整体寿命。本文提出了一种考虑机组退化的海上风电制氢集群自适应功率分配策略，该分配策略通过灵活安排机组启停拓宽了电制氢集群功率运行范围；通过实现各机组的等边际产出实现系统能量效率的最优；通过以启停次数为权重的优先队列法决定启停机组，达到电制氢集群中各机组退化程度的一致性，提高系统整体寿命。本文所搭建的含5台1 000 Nm~3/h碱性电制氢机组的风电离网制氢仿真算例表明，本文所提出的自适应功率分配策略相比功率的平均分配与逐级分配能分别带来总产氢量2.1%与4.2%的提升，此外集群中各机组的启停次数相同，有效降低了传统功率策略中功率频繁波动带来的退化程度不一致性。更多还原

【Abstract】 Off-grid hydrogen production using offshore wind power is an economically effective way to utilize offshore wind energy. In offshore wind power off-grid hydrogen production projects, multiple alkaline electrolyzers often form clusters to absorb the wind turbine power. The power distribution strategy can significantly affect the energy efficiency and overall system lifespan. This paper proposes an adaptive power distribution strategy for offshore wind hydrogen production clusters, considering the degradation of individual units. This strategy broadens the operating power range of the hydrogen production cluster by flexibly managing the start and stop of units. It achieves optimal system energy efficiency by ensuring equal marginal output across units. The priority queue method, weighted by the number of starts and stops, determines which units to start or stop, ensuring consistency in the degradation levels across the hydrogen production cluster, thereby improving the overall system lifespan. Simulation examples with five 1 000 Nm~3/h alkaline electrolyzers demonstrate that the proposed adaptive power distribution strategy can increase total hydrogen production by 2.1% and 4.2%, compared to average and stepwise power distribution strategies, respectively. Additionally, the number of starts and stops for each unit in the cluster is the same, effectively reducing the inconsistency in degradation levels caused by frequent power fluctuations in traditional power strategies.更多还原