含多电解槽的新能源制氢能量管理优化

新能源制氢系统是提升风能、太阳能等新能源发电消纳的有效途径。目前国内外关于电解槽能量管理的相关研究以单电解槽为主。单电解槽能量管理未考虑电解槽非线性的工作特性，难以兼顾多个电解槽制氢效率，影响系统经济性。论文针对含有多电解槽新能源制氢系统的能量管理问题进行了研究。以新能源消纳率、经济收益、制氢率为目标，考虑单个电解槽运行特性及生产约束等条件，建立包含风电、光伏、蓄电池、电解槽多个模块的能量管理优化模型，并采用SPEA2算法求解多目标优化问题。仿真研究表明，所提能量管理策略能够实现新能源发电的100%消纳，单位制氢效益可提升5.15%。因此，多电解槽制氢系统进行有效的能量管理有助于提高制氢效率，有效克服单电解槽运行及能量管理的不足。

Energy Management Optimization of New Energy Hydrogen Production System Including Multiple Electrolyzers

New energy hydrogen production system is an effective way to increase the consumption of new energy power generation, such as wind energy and solar energy. At present, the research on energy management of electrolyzer at domestic and foreign mainly focuses on single-electrolyzer. Single-electrolyzer energy management does not involve in nonlinear characteristics of the electrolyzer and ignores hydrogen production efficiency of multiple electrolyzers, affecting the economy of the system. Energy management of new energy hydrogen production system with multi-electrolyzers is studied in this paper. An energy management optimization model, including wind power, photovoltaic, battery and electrolyzer modules, is established. The new energy consumption rate, economic income, and hydrogen production rate are taken as targets, and the operating characteristics and production considerations are taken as constraints. SPEA2 algorithm is used to solve the multi-objective optimization problem. The simulation results show that 100% absorption of new energy power generation is achieved, and the efficiency of hydrogen production is improved by 5.15% with the proposed energy optimization management strategy. Therefore, the energy management for multi-electrolyzers hydrogen production system contributes to improve hydrogen production efficiency and overcome the shortcomings of single-electrolyzer operation and energy management.