Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition

YANG Xiyun; CAO Chao; REN Jie; GAO Feng

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Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition

更新时间：2025-12-08

- Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition
- Vol. 42, Issue 7, Pages: 2127-2133(2016)
- 作者机构：
  
  1. 华北电力大学控制与计算机工程学院
  2. 上海电气集团股份有限公司中央研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 July 2016，
  
  Published：2016
- 稿件说明：
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YANG Xiyun, CAO Chao, REN Jie, et al. Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition[J]. 2016, 42(7): 2127-2133.
DOI：

YANG Xiyun, CAO Chao, REN Jie, et al. Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition[J]. 2016, 42(7): 2127-2133. DOI：

摘要

为了平滑光伏输出功率

提出一种基于模糊聚类经验模态分解（ensemble empirical mode decomposition

EEMD）的储能系统控制方法。通过对光伏信号的频谱分析

利用EEMD滤波分成高频和低频两部分

光伏低频分量作为光伏并网功率信号

高频信号接入储能系统吸收;使用储能电池荷电状态值、平滑波动率值状态作为约束条件

利用模糊控制算法

自适应在线调整EEMD滤波阶数

通过模糊自适应控控制器

实现了更好平滑光伏波动。对比定阶EEMD光伏功率储能控制策略

仿真实例表明

该方法可以充分使用储能系统平抑光伏功率波动

稳定储能荷电状态。

Abstract

In order to smooth the PV power fluctuations

we put forward a control method with battery energy storage system（BESS） based on fuzzy ensemble empirical mode decomposition（EEMD）. With a comprehensive analysis of the amplitude-frequency characteristics

PV power signal is decomposed by EEMD into two parts

the low-frequency parts are defined as wind power grid-connected value and the high-frequency parts are stored by BESS.Based on fuzzy control method

the orders of EEMD filter can be adaptively adjusted according to the state of charge（SOC） and fluctuation rate of PV power fluctuations after smoothing. Compared with the method with constant order of EEMD filter

simulation results show that the proposed method can effectively smooth the fluctuations of PV power output effectively by taking full advantages of BESS so as to keep SOC stable.

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天津市新能源电力变换传输与智能控制重点实验室(天津理工大学)

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