电力系统配置储能分析计算方法

doi:10.11930/j.issn.1004-9649.202101138

中国电力 ›› 2022, Vol. 55 ›› Issue (1): 26-36.DOI: 10.11930/j.issn.1004-9649.202101138

• 含大规模储能的高比例新能源电力系统协调规划与优化调度技术专栏 • 上一篇下一篇

电力系统配置储能分析计算方法

董昱¹, 范高锋¹, 董存¹, 于若英², 赵俊屹³

1. 国家电网有限公司, 北京 100031;
2. 中国电力科学研究院有限公司, 江苏南京 210003;
3. 国网山西省电力公司, 山西太原 030021

收稿日期:2021-01-28 修回日期:2021-09-22 出版日期:2022-01-28 发布日期:2022-01-20
作者简介:董昱(1974-),男,高级工程师(教授级),从事电网调度运行及管理等工作,E-mail:dongyu@sgcc.com.cn;范高锋(1977-),男,高级工程师(教授级),从事新能源、储能调度运行管理等,E-mail:fan-gaofeng@sgcc.com.cn;董存(1973-),男,高级工程师(教授级),从事新能源调度运行管理和电力系统生产运行等工作,E-mail:dong-cun@sgcc.com.cn;于若英(1988-),女,通信作者,高级工程师,从事新能源和储能调度运行仿真分析技术研究,E-mail:yuruoying@epri.sgcc.com.cn
基金资助:
国家电网有限公司科技项目（大规模储能接入电力系统优化配置及支撑能力评价，SGXJJY00GHJS2100016）。

Analysis and Calculation of Energy Storage Configuration in Power System

DONG Yu¹, FAN Gaofeng¹, DONG Cun¹, YU Ruoying², ZHAO Junyi³

1. State Grid Corporation of China, Beijing 100031, China;
2. China Electric Power Research Institute, Nanjing 210003, China;
3. State Grid Shanxi Electric Power Company, Taiyuan 030021, China

Received:2021-01-28 Revised:2021-09-22 Online:2022-01-28 Published:2022-01-20
Supported by:
This work is supported by the Science and Technology Project of SGCC (Optimal Configuration and Support Capacity Evaluation of Large-Scale Energy Storage Access Power Systems, No.SGXJJY00GHJS2100016)

摘要/Abstract

摘要： 现阶段，储能的配置分析计算大多是围绕单一场景开展的，无法充分发挥储能的多重作用。为合理配置储能，提高电力系统综合效益，从系统整体运行需求角度入手，归纳总结电力系统配置储能应统筹考虑源网荷发展情况、细致分析储能对常规机组的替代作用、综合优化储能充放电策略3方面关键因素；提出在功率、能量和充放电时长3个维度均不确定的情况下，电力系统统筹配置储能的分析计算方法，包括储能的功率初值计算、确定功率下的能量分析计算和不同功率下的能量滚动计算3个主要环节。最后，以某省级电力系统为案例，开展2021—2025年储能配置分析计算。计算结果表明：在满足同一运行要求下，配置有多组可行解，且储能功率在一定范围内增大，可一定程度降低系统对能量的需求。算例从经济性角度出发，对比并选择可行解中投资成本最小的方案作为最终配置方案。

关键词: 储能配置, 新能源利用率, 储能功率, 储能能量

Abstract: At present, the configuration analysis and calculation of energy storage are mostly carried out around a single scene, which cannot give full play to the multiple functions of energy storage. Therefore, this research was conducted to achieve an orderly energy storage configuration and promote the comprehensive benefits of the power system. Starting from the overall operation demand of the power system, this paper summarized three key factors that should be considered for the energy storage configuration: the source-grid-load development, the replacement effect of energy storage on conventional units, and the comprehensive optimization of energy storage charging/discharging strategies. Then, an innovative analysis and calculation method for the overall configuration of energy storage in the power system was proposed in the case of uncertain power, energy, and charging/discharging time. The method included the initial value calculation of energy storage power, energy analysis and calculation under determined power, and energy rolling calculation under different power. Finally, a provincial power system was taken as a case to analyze and calculate the energy storage configuration from 2021 to 2025. The calculation results showed that the energy demand of the system could be reduced to a certain extent if the configuration had multiple feasible solutions and the energy storage power increased within a certain range. For economic consideration, the one with the least investment cost was chosen from all the feasible solutions as the final configuration scheme.

Key words: energy storage configuration, utilization rate of renewable energy, energy storage power, energy capacity of energy storage

董昱, 范高锋, 董存, 于若英, 赵俊屹. 电力系统配置储能分析计算方法[J]. 中国电力, 2022, 55(1): 26-36.

DONG Yu, FAN Gaofeng, DONG Cun, YU Ruoying, ZHAO Junyi. Analysis and Calculation of Energy Storage Configuration in Power System[J]. Electric Power, 2022, 55(1): 26-36.

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https://www.electricpower.com.cn/CN/Y2022/V55/I1/26

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电力系统配置储能分析计算方法

Analysis and Calculation of Energy Storage Configuration in Power System

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Analysis and Calculation of Energy Storage Configuration in Power System

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