新型电力系统下不同场景储能的应用研究

Research on Application of Stored Energy in Different Scenarios Under

[目的]碳达峰、碳中和目标下,构建新型电力系统成为了电力发展的现实路径。储能作为灵活调节性资源,对于提高电网运行效率、提升新能源消纳水平等具有重要作用。为了提升电力系统的灵活性,促进源网荷储协同高效发展,需要结合储能技术特性,根据电力系统各环节的实际需求,找准储能在不同场景的作用定位。[方法]基于储能行业发展现状,分析不同储能技术的应用场景与发展潜力,提出了电网侧、电源侧与用户侧储能配置的策略,并从变电站设计、网架规划、电力平衡、新能源消纳等多角度展开了储能影响研究。[结果]从电网侧看,储能可提高电网供电能力、延缓或替代电网投资;从电源侧看,储能接入对电力平衡产生影响,可通过优化配置储能提升新能源消纳水平。[结论]储能作为新型电力系统发展的支撑技术将发挥更大作用,文章所提的储能配置策略可在实际应用时提供指导。

[Introduction]Under the goal of carbon peaking and carbon neutralization,building a new power system has become a realistic path of electric power development.As a flexible regulatory resource,stored energy plays an important role in improving the efficiency of power grid operation and the new energy consumption.In order to improve the flexibility of the power system and promote the coordinated and efficient development of power source,power grid,load and energy storage,it is necessary to identify the role of stored energy in different scenarios in accordance with the characteristics of stored energy technology and the actual needs in all aspects of the power system.[Method]Based on the development status of the stored energy industry,the application scenarios and development potential of different stored energy technologies were analyzed,and the strategies of stored energy configuration on the grid side,power supply side and user side were proposed.The impact of stored energy was studied from the perspectives of substation design,grid planning,power balance and new energy consumption.[Result]From the perspective of the power grid side,stored energy can improve the power supply capacity of power grid and delay or replace the power grid investment;from the perspective of the power supply side,the access of stored energy has an impact on the power balance,and the consumption level of new energy can be improved by optimizing the configuration of stored energy.[Conclusion]As a supporting technology for the development of new power systems,stored energy will play a greater role.The stored energy configuration strategy proposed in this paper can provide guidance for practical application.