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并/离网风光互补制氢合成氨系统容量-调度优化分析

Capacity scheduling optimization analysis of on/off grid wind solar hybrid hydrogen synthesis ammonia system
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摘要 为降低可再生能源发电出力波动,提高可再生能源利用率,设计了一种并/离网风光互补制氢合成氨系统。以系统年收益最大作为目标函数,考虑系统电平衡、氢平衡以及电网交互等运行约束,建立了容量配置-调度优化模型,以内蒙古某地区风光真实出力作为输入,通过风光容量配比分析,探究风光容量配比对系统的技术经济影响。结果表明:经过容量配置与调度优化后,并/离网风光互补制氢合成氨系统能够在不同风光出力情况下合理切换工作状态,平抑风光波动,实现合成氨设备的稳定高效运行,并网型系统优于离网型系统;在案例区域内,随着风电容量的提高,系统需配置的电解槽与储氢罐容量呈现先减小后增大的趋势,当风力发电与光伏发电容量接近或相等时,系统经济效率较高。 In order to reduce the fluctuation of renewable energy power generation output and improve the utilization rate of renewable energy,this paper designs an on/off grid wind solar hybrid hydrogen synthesis ammonia system.Taking the maximum annual revenue of the system as the objective function,considering the operation constraints such as power balance,hydrogen balance and grid interaction,a capacity allocation scheduling optimization model is established.Taking the real output of the wind and solar energy in a certain area of Inner Mongolia as the input,through the analysis on wind and solar energy capacity ratio,this paper explores the technical and economic effect of the wind and solar energy capacity ratio on the system.The results show that,after the capacity configuration and scheduling optimization of the on/off grid wind solar complementary hydrogen and ammonia system,the system can reasonably switch the working state under different wind and solar output conditions,stabilize the wind and solar fluctuations,and realize the stable and efficient operation of ammonia equipment.The grid connected system is better than the off grid system.Through the analysis of the ratio of wind and solar capacity,in the case area,with the increase of wind capacity,the capacity of electrolyzer and hydrogen storage tank to be configured in the system shows a trend of first decreasing and then increasing.When the capacity of wind power generation and photovoltaic power generation is close to or equal,the economic efficiency of the system is high.
作者 邓振宇 周家辉 徐钢 张润之 宋晓娜 DENG Zhenyu;ZHOU Jiahui;XU Gang;ZHANG Runzhi;SONG Xiaona(School of Energy Power and Mechanical Engineering,North China Electric Power University,Beijing 102206,China;Mechanical Electrical Engineering School,Beijing Information Science&Technology University,Beijing 102206,China)
出处 《热力发电》 CAS CSCD 北大核心 2024年第9期136-146,共11页 Thermal Power Generation
基金 国家自然科学基金重大项目(52090064)。
关键词 风光互补 绿氨 容量调度优化 风光容量配比分析 wind and solar complementary green ammonia capacity optimization scheduling analysis of wind and solar capacity ratio
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