• CSCD核心库收录期刊
  • 中文核心期刊
  • 中国科技核心期刊

电力建设 ›› 2020, Vol. 41 ›› Issue (8): 99-110.doi: 10.12204/j.issn.1000-7229.2020.08.012

• 智能电网 • 上一篇    下一篇

计及虚拟储能系统的区域综合能源系统优化调度策略

朱旭1,杨军1,李高俊杰1,董旭柱1,刘首文2   

  1. 1. 武汉大学电气与自动化学院,武汉市 430072;2. 国网湖北省电力有限公司,武汉市 430077
  • 出版日期:2020-08-07 发布日期:2020-08-07
  • 作者简介:朱旭(1994),男,博士研究生,主要研究方向为综合能源系统优化调度; 杨军(1977),男,教授,通信作者,主要研究方向为电力系统运行与控制、电动汽车、新能源接入技术等; 李高俊杰(1996),男,博士研究生,主要研究方向为综合能源系统优化调度; 董旭柱(1970),男,教授级高级工程师,主要从事智能电网和配电网研究工作; 刘首文(1968),男,博士,工程师,主要从事分布式电源、微电网和主动配电网规划、运行与控制研究工作。
  • 基金资助:
    国家电网公司总部科技项目“综合能源服务项目技术经济性评价与商业模式研究”(5400-201999499A-0-0-00)

Optimal Dispatching Strategy of Regional Integrated Energy System Considering Virtual Energy Storage System

ZHU Xu1, YANG Jun1, LI Gaojunjie1, DONG Xuzhu1, LIU Shouwen2   

  1. 1. School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China;2. State Grid Hubei Electric Power Co., Ltd., Wuhan 430077, China
  • Online:2020-08-07 Published:2020-08-07

摘要: 储能设备可以实现负荷的跨时段平移,在综合能源系统的经济稳定运行中能够起到重要作用。但当下储能投建费用较高,难以大规模应用。而通过优化用户侧可控负荷,可达到类似储能设备平移负荷的效果。从电能、热能2个角度出发,提出了利用用户侧虚拟储能的区域综合能源系统(regional integrated energy system,RIES)优化调度策略。首先基于电动汽车充电管理方法和楼宇蓄热特性,对电、热虚拟储能(virtual energy storage,VES)系统进行建模;进而将虚拟储能系统集成到考虑天气不确定性的区域综合能源系统调度模型中,该模型以降低能源系统日运行费用为优化目标,合理安排电动汽车充电并在温度舒适度范围内对建筑物室温进行调节,实现虚拟储能系统的充放能管理;最后以夏季系统用能场景为例,对优化模型进行仿真实证。仿真结果表明,虚拟储能设备可以起到负荷平移效果,削减储能配置容量。应用虚拟储能系统的区域综合能源系统优化调度模型可以在满足能源需求和温度舒适度的前提下降低系统日运行成本,提升系统运行稳定性。

关键词: 区域综合能源系统(RIES), 虚拟储能(VES), 经济调度, 混合整数线性优化

Abstract: Transferring loads across time periods, energy storage device plays an important role in the economic and stable operation of multi-energy system. But construction cost of energy storage device is high, which makes it difficult to apply energy storage device on a large scale. From the perspective of electric energy and heat energy, this paper proposes an optimal scheduling strategy for regional integrated energy system (RIES) considering virtual energy storage (VES) system, which can also transfer energy loads across time periods. According to the electric vehicle charging management method and building heat storage characteristics, virtual electric energy and thermal energy storage model is developed. The virtual energy storage system is integrated into the RIES optimal dispatching model. By arranging the charging of electric vehicles and adjusting indoor temperature within the temperature comfort range rationally, charging/discharging power management of virtual energy storage system can be realized. Finally, different energy supply modes under the summer refrigeration scenario are simulated to demonstrate the effectiveness of the proposed optimal dispatching method. Simulation results show that the proposed strategy can improve the economy and stability of the multi-energy system while guarantee the customer temperature comfort and meet regional energy demands.

Key words:  regional integrated energy system(RIES), virtual energy storage(VES), economic dispatching, mixed integer linear programming

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