基于风电波动平抑的储能配置影响因素  

Influential Factors of Sizing Energy Storage for Wind Power Fluctuation Mitigation

作　　者：孙玉树 张国伟[1] 唐西胜[1] 苗福丰 王平 SUN Yushu;ZHANG Guowei;TANG Xisheng;MIAO Fufeng;WANG Ping(Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China;State Grid Henan Electric Power Company Economic Research Institute,Zhengzhou 450052,China;Jiangsu Electrochemical Energy Storage Technology Key La-boratory,Taizhou 225500,China)

机构地区：[1]中国科学院电工研究所,北京100190 [2]国网河南省电力公司经济技术研究院,郑州450052 [3]江苏省电化学储能技术重点实验室,泰州225500

出　　处：《高电压技术》2018年第10期3407-3416,共10页High Voltage Engineering

基　　金：国家重点研发计划(2016YFB0900400);中国科学院电工研究所所长基金(Y760141CSA);江苏省2016年省创新能力建设专项资金(BM2016027)~~

摘　　要：为了更精确地分析风电波动平抑过程中储能容量配置的影响因素,在相同并网波动率要求下,采用模型预测控制（MPC）算法作为控制策略。首先,分析了不同波动率限制和波动平抑顺序的影响,从而选取合理的波动率及平抑顺序;再者,分析了不同的风电采样时间尺度和储能荷电状态（SOC）的影响,从而获取可信的储能容量;最后,分析了不同幅频特性风电的影响,从而确立配置较大储能的风电类型。仿真结果表明：不同的波动率及其平抑顺序需配置不同的储能;储能配置一般与风电最大波动率和储能最大能量变化有关,且还需考虑储能的初始SOC和SOC运行范围;波动率较大且频率较低的风电一般需要配置较大的储能。In order to analyze the influential factors of the energy storage size accurately with wind power fluctuation mitigation, we adopted a model predictive control（MPC） method as the control strategy with the identical grid-connected fluctuation rate constraints. Firstly, different fluctuation rate constraints and fluctuation mitigation sequences were considered, and the reasonable fluctuation rate and mitigation sequences could be obtained. Additionally, different time scales of wind power and state of charge（SOC） of energy storage were analyzed, and the credible energy storage capacity could be acquired. Finally, the wind power with different amplitudes and frequencies was analyzed, and the wind power type with larger energy storage capacity could be identified. The simulation results show that different energy storage sizes are required according to different fluctuation rate and mitigation sequences. Energy storage size is related to the maximum wind power fluctuation rate and the maximum energy change of energy storage besides initial SOC and SOC operating range of energy storage. The wind power with larger fluctuation rate and low frequency generally needs more energy storage size.

关 键 词：风电波动平抑 储能配置 影响因素 波动率约束 时间尺度 储能荷电状态 风电幅频特性 

分 类 号：TM614[电气工程—电力系统及自动化]