Battery Grouping Control Method of Wind-storage System

HE Jing; ZHANG Yangfei; MIAO Fenglin; ZHANG Xiaolian; CHEN Chong

doi:10.14044/j.1674-1757.pcrpc.2020.06.026

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Battery Grouping Control Method of Wind-storage System

更新时间：2024-09-14

- Battery Grouping Control Method of Wind-storage System
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 6, Pages: 162-167(2020)
- 作者机构：
  
  1. 中国电力科学研究院有限公司新能源与储能运行控制国家重点实验室
  2. 南京工程学院电力工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.06.026
  CLC： TM614
- Published：2020，
- 稿件说明：
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[1]贺敬,张仰飞,苗风麟,张小莲,陈冲.风储联合系统的电池分组控制策略[J].电力电容器与无功补偿,2020,41(06):162-167.

HE JING, ZHANG YANGFEI, MIAO FENGLIN, et al. Battery Grouping Control Method of Wind-storage System. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 162-167.
[1]贺敬,张仰飞,苗风麟,张小莲,陈冲.风储联合系统的电池分组控制策略[J].电力电容器与无功补偿,2020,41(06):162-167. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.026.

HE JING, ZHANG YANGFEI, MIAO FENGLIN, et al. Battery Grouping Control Method of Wind-storage System. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 162-167. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.026.

摘要

在风储联合系统的风功率平滑控制中提出一种优化电池分组控制的充放电能量不平衡状态的改进控制策略。给出风储联合系统电池分组充放电控制的原理和数学模型

构建电池分组控制中充放电能量不平衡度指标

并根据该指标设计了改进控制策略

动态调整每个控制周期内风储联合系统参考输出功率以及每组电池充放电功率

同时研究了风功率预测误差对充放电能量不平衡状态的影响。基于Matlab/Simulink的仿真结果表明

相较于传统策略

所提改进策略能够很好地改善分组电池充放电能量不平衡度

优化各电池组充放电深度

而且在存在风功率预测误差时仍具有良好的适应性和优越性。

Abstract

To smooth the fluctuation of wind power

an improved control strategy based on battery grouping control was proposed.The charge-discharge control principle and mathematical model of battery grouping control were given.The imbalance index of charge-discharge energy in battery grouping control was designed.According to the imbalance index

the reference output power of wind-storage system and the charge-discharge power of each battery group was dynamically adjusted.At the same time

the influence of wind power prediction error on the imbalance state of charge-discharge energy was studied.Finally

the proposed strategy was verified by Matlab/Simulink.The results show that compared with the conventional strategy

the proposed strategy can improve the imbalance of charge-discharge energy

and optimize the depth of charge-discharge of each battery group.What’s more

the proposed strategy is superior when wind power prediction error exists.

关键词

风功率平滑电池分组控制充放电能量不平衡度充放电深度使用寿命

Keywords

wind power smoothingbattery grouping controlimbalance of charge-discharge energydepth of charge-dischargeservice life

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