摘要
随着可再生能源的快速发展以及农机电能替代技术的不断成熟,农业产业园区供能系统电气化和低碳化已成为发展趋势。考虑本地可再生能源与用电负荷的时空匹配特性,研究农业产业园区分散储能系统优化规划。综合考虑分时电价和碳排放价格,提出了“等效价格”的概念,有助于在实现峰谷套利的同时提高农业产业园区的减碳效益。以投资运维成本、减碳收益和峰谷套利收益等为目标,建立了计及典型运行模拟的分散储能系统优化配置模型。对仅考虑分时电价、2种价格变化一致、2种价格变化相反3种情形分别进行分散储能的优化配置,分析了2种时变价格的变化趋势对配置储能的影响。算例仿真结果表明,采用“等效价格”制定储能充放电策略能够降低农场用电成本和实现减碳目标;分时电价与碳排放价格曲线变化趋势相同时,配置储能可获得更高的经济效益。
With the rapid development of renewable energy and the continuous maturity of electricity substitution technologies for agricultural machinery,the electrification and low-carbon of energy supply systems in agricultural industrial parks have become a development trend.Considering the spatiotemporal matching characteristics between local renewable energy and load,this paper studies the optimal planning of decentralized energy storage systems in agricultural industrial parks.Taking into account the time-of-use price and carbon emission price,the concept of"equivalent price"is proposed,which helps to improve the carbon reduction efficiency of agricultural industrial parks while achieving peak-valley arbitrage.Aiming at investment and maintenance costs,carbon reduction benefits,and peak-valley arbitrage benefits,an optimal allocation model of decentralized energy storage system considering typical operational simulation is established.The allocation of decentralized energy storage is optimized in three scenarios:only considering the time-of-use price,two prices with consistent changes,and two prices with opposite changes.The impact of the changing trends of the two time-varying prices on the allocation of energy storage is analyzed.The results of the example show that by utilizing the"equivalent price"to formulate charging and discharging strategies of the energy storage system can reduce farm electricity costs and achieve carbon reduction goals;When the trend of time-of-use price and carbon emission price curve is the same,allocating energy storage can achieve higher economic benefits.
作者
耿光飞
勇晔
薛溟枫
毛晓波
牛潇昆
GENG Guangfei;YONG Ye;XUE Mingfeng;MAO Xiaobo;NIU Xiaokun(College of Information and Electrical Engineering,China Agricultural University,Beijing 100083,China;Wuxi Power Supply Company of State Grid Jiangsu Electric Power Co.,Ltd.,Wuxi 214000,China)
出处
《供用电》
北大核心
2024年第9期34-43,共10页
Distribution & Utilization
基金
国家电网有限公司科技项目“规模化电动农机清洁智能供电与互动关键技术研究与应用”(5400-202318246A-1-1-ZN)。
关键词
分散储能
优化配置
农业产业园区
电动农机
可再生能源
碳排放
decentralized energy storage
optimal allocation
agricultural industrial parks
electric agricultural machinery
renewable energy
carbon emission
作者简介
耿光飞(1970—),男,博士,副教授,研究方向为电力系统规划与运行优化等;勇晔(1971—),男,学士,高级工程师,研究方向为电力系统自动化、电力营销管理;薛溟枫(1976—),男,学士,高级工程师,研究方向为需求侧管理、有序用电、用电能效;毛晓波(1989—),男,硕士,工程师,研究方向为需求侧管理、用电能效;牛潇昆(2000—),男,硕士研究生,研究方向为电力系统自动化。
