为确保新能源电解水制氢系统的稳定、高效运行,首先建立包含PEM电解槽、制氢电源、压缩环节、干燥和循环冷却等辅助环节的制氢系统效率模型。基于该模型,以制氢系统效率最优为目标,结合制氢电源功率控制,提出一种基于制氢系统效率最优的功率自适应控制策略。通过Matlab/Simulink搭建仿真,对比链式分配策略、平均分配策略和所提优化策略下制氢系统的效率曲线,结果表明所提策略可提升制氢系统高效率工作的应用范围,提高了新能源利用率。
Abstract
In order to guarantee the stable and efficient operation of the new energy electrolysis hydrogen production system, a hydrogen production system efficiency model was first constructed, encompassing the PEM electrolyser, hydrogen production power supply, compression, drying, circulating cooling, and other auxiliary links. A power-adaptive control strategy based on the optimal efficiency of the hydrogen production system was proposed based on this model. The strategy takes the optimal efficiency of the hydrogen production system as the goal and combines it with the power control of the hydrogen production power supply. Matlab/Simulink simulations was carried out in order to facilitate a comparison of the efficiency curves of the hydrogen production system under the chain distribution strategy, the average distribution strategy and the proposed optimization strategy. The results demonstrate that the strategy proposed in this paper serves to enhance the application range of the hydrogen production system for high-efficiency work and to improve the utilization of new energy.
关键词
电解水 /
制氢 /
质子交换膜 /
电源 /
多堆电解制氢 /
功率分配
Key words
electrolysis /
hydrogen production /
proton exchange membrane /
power supply /
multi-stack electrolysis for hydrogen production /
power distribution
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基金
北方工业大学毓秀创新项目（2024NCUTYXCX103）; 国家重点研发计划（2021YFE0103800）; 北京市自然科学基金（2024HDZD012; 24L20502）
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