可再生能源电制氢合成氨系统的并/离网运行方式与经济性分析  

On-grid/Off-grid Operation Mode and Economic Analysis of Renewable Power to Ammonia System

作　　者：林今[1] 余志鹏 张信真 李佳蓉[1] LIN Jin;YU Zhipeng;ZHANG Xinzhen;LI Jiarong(Tsinghua University,Haidian District,Beijing 100084,China;Sichuan Energy Internet Research Institute Tsinghua University,Chengdu 610042,Sichuan Province,China)

机构地区：[1]清华大学,北京市海淀区100084 [2]清华四川能源互联网研究院,四川省成都市610042

出　　处：《中国电机工程学报》2024年第1期117-126,I0010,共11页Proceedings of the CSEE

基　　金：国家重点研发计划项目(2021YFB4000504)。

摘　　要：可再生能源电制氢合成氨(renewablepowerto ammonia,Re Pt A)是风力发电、光伏发电等可再生能源的大规模消纳方式之一,也是化工行业实现低碳清洁发展的重要技术路线之一。利用风电光伏电解水制氢合成氨系统模型,分析电网调峰型系统、电网友好型系统、工艺离网型系统的绿氨成本,并对电化学储能设备规模、储氢设备规模、电解水制氢设备规模、电解水制氢设备效率等影响因素进行敏感性分析。基于3种绿氨系统的设备配置方案和运行方式评估不同类型系统所需的电网调峰电量,提出3种系统所适合的应用场景。研究结论是近期应该发展电网友好型RePtA系统,远期应该发展工艺离网RePtA系统。Renewable power to ammonia(RePtA)is a large-scale consumption of renewable energy such as wind power and photovoltaic power generation,and it is also one of the important technical routes for the chemical industry to achieve low-carbon and clean development.This paper uses the RePtA model to analyze the green ammonia cost of the power grid peak-shaving system,grid-friendly system,and off-grid system.Sensitivity analysis is carried out on the scale of electrochemical energy storage,the scale of hydrogen storage,the scale of electrolyzer,and the efficiency of electrolyzer.Based on the equipment configuration scheme and operation mode of the three green ammonia systems,the grid peak-shaving energy required by different types of systems is evaluated,and the application scenarios suitable for the three systems are proposed.The research conclusion is that the grid-friendly RePtA system should be developed in the near future,and the off-grid RePtA system should be developed in the long term.

关 键 词：可再生能源电解水制氢合成氨 电网调峰型系统 电网友好型系统 工艺离网系统 

分 类 号：TM61[电气工程—电力系统及自动化]