电工技术学报  2016, Vol. 31 Issue (23): 86-92    DOI:
电力系统及其自动化 |
光/储混合系统中的储能控制技术研究
雷鸣宇1,2,杨子龙1,王一波1,许洪华1
1.中国科学院电工研究所 北京 100190 ;
2.中国科学院大学 北京 100190
Study on Control Technology of Energy Storage Station in Photovoltaic/Storage System
Lei Mingyu1,2, Yang Zilong1, Wang Yibo1, Xu Honghua1
1.Institute of Electrical Engineering Chinese Academy of Sciences Beijing 100190 China;
2.University of Chinese Academy of Sciences Beijing 100190 China
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摘要 在含有高渗透率光伏发电的配电网中,安装储能系统可以减小光伏功率波动对电网的冲击。为了实现储能对光伏发电功率的平滑作用,提出一种基于低通滤波与短时功率预测技术的储能控制方法,大幅度消除了传统低通滤波方法造成的延时,同时可降低光伏功率预测误差对控制效果的影响,提高了平滑效果,节省了储能安装容量。仿真结果显示该策略能有效降低光伏发电功率的波动性,降低电池过充或过放现象的发生概率。
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关键词 光伏发电储能系统低通滤波功率预测荷电状态    
Abstract:When the penetration of photovoltaic system is high in a distribution network, energy storage system is available to reduce the impact on grid caused by PV power fluctuation.In order to smooth PV power,this paper proposes a control method of energy storage system based on the short-time photovoltaic power prediction technology and low-pass filtering principle.By using this method,the delay caused by traditional low pass filter method is eliminated and the influence of photovoltaic power prediction error on control effect is also reduced.As a result,the control effect is improved and the capacity of energy storage system is limited.The simulation results show that the strategy can effectively reduce the fluctuations of PV power,and prevent storage system to be over-charged or over-discharged.
Key wordsPhotovoltaic power generation    energy storage    low pass filtering principle    photovoltaic power prediction    SOC   
收稿日期: 2015-06-08      出版日期: 2016-12-26
PACS: TM615  
基金资助:国家高技术研究发展计划(863计划)项目(2015AA050402)和青海科技支撑项目(2015-GX-101A)资助。
作者简介: 雷鸣宇 男,1989年生,博士研究生,研究方向为光伏微网中的能量管理与储能控制技术。E-mail:leimingyu@mail.iee.ac.cn(通信作者)杨子龙 男,1980年生,博士,助理研究员,研究方向为微网能量管理与分散测控技术。E-mail:yangzl@mail.iee.ac.cn
引用本文:   
雷鸣宇,杨子龙,王一波,许洪华. 光/储混合系统中的储能控制技术研究[J]. 电工技术学报, 2016, 31(23): 86-92. Lei Mingyu, Yang Zilong, Wang Yibo, Xu Honghua. Study on Control Technology of Energy Storage Station in Photovoltaic/Storage System. Transactions of China Electrotechnical Society, 2016, 31(23): 86-92.
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