Control Method of Wind Power Fluctuation Smoothing for Battery Energy Storage System Based on Quasi-Zero Phase Filter

Xiaohan SHI; Yawen ZHAO; Hengxu ZHANG; Xiaolei WANG; Boxi ZHOU

doi:10.7500/AEPS20191227007

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Control Method of Wind Power Fluctuation Smoothing for Battery Energy Storage System Based on Quasi-Zero Phase Filter

Basic Research | 更新时间：2025-06-16

- Control Method of Wind Power Fluctuation Smoothing for Battery Energy Storage System Based on Quasi-Zero Phase Filter
- Automation of Electric Power Systems Vol. 45, Issue 4, Pages: 45-53(2021)
- 作者机构：
  
  1.山东大学电气工程学院，山东省济南市 250061
  2.华能山东发电有限公司，山东省济南市 250014
  3.山东电力高等专科学校，山东省济南市 250002
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;Shandong Provincial National Natural Science Foundation of China;Shandong Province Higher Educational Science and Technology Program
- DOI：10.7500/AEPS20191227007
  CLC：
- Received：27 December 2019，
  
  Revised：2020-04-08，
  
  Published Online：24 June 2020，
  
  Published：25 February 2021
- 稿件说明：
移动端阅览
施啸寒,赵雅文,张恒旭等.基于准零相位滤波器的电池储能系统平滑风电波动控制方法[J].电力系统自动化,2021,45(4):45-53.

SHI Xiaohan,ZHAO Yawen,ZHANG Hengxu,et al.Control Method of Wind Power Fluctuation Smoothing for Battery Energy Storage System Based on Quasi-Zero Phase Filter[J].Automation of Electric Power Systems,2021,45(4):45-53.
施啸寒,赵雅文,张恒旭等.基于准零相位滤波器的电池储能系统平滑风电波动控制方法[J].电力系统自动化,2021,45(4):45-53. DOI： 10.7500/AEPS20191227007.

SHI Xiaohan,ZHAO Yawen,ZHANG Hengxu,et al.Control Method of Wind Power Fluctuation Smoothing for Battery Energy Storage System Based on Quasi-Zero Phase Filter[J].Automation of Electric Power Systems,2021,45(4):45-53. DOI： 10.7500/AEPS20191227007.

摘要

利用电池储能系统（BESS）平滑风电功率波动可以提高风电场输出稳定性，但基于一阶低通滤波器的控制方法易将风电功率趋势分量引入BESS充放电指令，增加BESS容量需求。针对该问题，提出一种基于准零相位滤波器的BESS控制方法。首先，分析滑动平均滤波器时频特性及滞后相位特性对BESS充放电控制的影响。然后，以中心滑动平均滤波算法为基础，融合风电功率趋势预测信息来构建一种相位延时近似为零的准零相位滤波器。最后，该滤波器提取风电功率波动分量，显著降低滤波延时，减小BESS充放电指令中的趋势分量。对典型风电功率波动情景的仿真结果表明：在获得与传统低通滤波方法近似平滑效果时，所提策略能够明显减小BESS最大能量波动和累积能量交换，进而降低容量配置要求，延长使用寿命。

Abstract

The output stability of the wind farm can be improved by using the battery energy storage system (BESS) to smooth the wind power fluctuation

but the control method based on the first-order low-pass filter is prone to the introduction of the trend component of wind power into the charging/discharging order of the BESS

which increases the demand of energy storage capacity. Aiming at the problem

a control method of BESS based on the quasi-zero phase filter is proposed. Firstly

the impact of time-frequency domain and phase lag characteristics for the moving average filter (MAF) on the charging/discharging control of BESS is analyzed. Then

based on the central MAF algorithm

a quasi-zero phase filter with the approximate zero phase delay is established by integrating the prediction information of wind power trend. Finally

the fluctuation component of wind power is extracted by the proposed filter to significantly reduce the filter delay

and the trend component in the charging/discharging order of the BESS is decreased. The simulation results of typical wind power fluctuation scenarios show that when the obtained smoothing effect is similar to that of traditional low-pass filtering method

the proposed method can significantly reduce the maximum energy fluctuation and cumulative energy exchange of BESS

thus the capacity requirements is reduced and the service life of BESS is extended.

关键词

Keywords

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