Energy Storage Capacity Planning and Investment Benefit Analysis of Micro-Energy System in Energy Interconnection
Li Jianlin1, Niu Meng2, Zhou Xichao3, Xiu Xiaoqing2, Zhou Jinghua1
1. Inverter Technologies Engineering Research Center of Beijing North China University of Technology Beijing 100144 China; 2. State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems China Electric Power Research Institute Beijing 100192 China; 3. State Grid Integrated Energy Service Group Co. Ltd Beijing 100050 China
Abstract:In order to achieve synergistic optimization of multiple types of energy and optimal operation efficiency of micro-energy systems, this paper established a simplified model of micro-energy system including photovoltaic power generation, energy storage system, regenerative electric boiler, ice storage air conditioner and electric vehicle. The configuration and investment benefit of the battery energy storage system in the micro-energy system were analyzed. Firstly, this paper assumed that each type of energy in a micro-energy system is configured with virtual energy storage to ensure its production/consumption needs. Then, based on the cost of energy storage system, the production/consumption demand constraints of various types of energy and the constraints of the energy storage system itself, a multi-objective optimization solution is performed to achieve optimal storage capacity allocation by taking into account the peak-to-valley time-of-use electricity price and carbon emission reduction policy. From the perspective of investors, consider the relevant parameters of investment recovery such as bank loans and internal rate of return, this paper analyzes the investment recovery of energy storage systems. Finally, combined with a micro-energy system demonstration project, the application verification of the new hybrid energy system configuration scheme was carried out to explore the optimal configuration scheme of the energy storage system in the micro-energy system.
李建林, 牛萌, 周喜超, 修晓青, 周京华. 能源互联网中微能源系统储能容量规划及投资效益分析[J]. 电工技术学报, 2020, 35(4): 874-884.
Li Jianlin, Niu Meng, Zhou Xichao, Xiu Xiaoqing, Zhou Jinghua. Energy Storage Capacity Planning and Investment Benefit Analysis of Micro-Energy System in Energy Interconnection. Transactions of China Electrotechnical Society, 2020, 35(4): 874-884.
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