Control Strategy for Smooth Switching of Microgrid Operation Mode Containing Energy Storage

LI Zhankai; CHEN Hongmin; ZHANG Fumin; YAO Haijiang; WANG Ziwei; XU Jinzhao

doi:10.14044/j.1674-1757.pcrpc.2017.02.027

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Control Strategy for Smooth Switching of Microgrid Operation Mode Containing Energy Storage

更新时间：2024-09-14

- Control Strategy for Smooth Switching of Microgrid Operation Mode Containing Energy Storage
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 2, Pages: 148-154(2017)
- 作者机构：
  
  河北工业大学电磁场与电器可靠性省部共建重点实验室
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.02.027
  CLC： TM727
- Published：2017，
- 稿件说明：
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[1]李占凯,陈红敏,张福民,要海江,王紫薇,许今朝.含储能微电网运行模式的平滑切换控制策略[J].电力电容器与无功补偿,2017,38(02):148-154.

LI ZHANKAI, CHEN HONGMIN, ZHANG FUMIN, et al. Control Strategy for Smooth Switching of Microgrid Operation Mode Containing Energy Storage. [J]. Power capacitor & reactive power compensation, 2017, 38(2): 148-154.
[1]李占凯,陈红敏,张福民,要海江,王紫薇,许今朝.含储能微电网运行模式的平滑切换控制策略[J].电力电容器与无功补偿,2017,38(02):148-154. DOI： 10.14044/j.1674-1757.pcrpc.2017.02.027.

LI ZHANKAI, CHEN HONGMIN, ZHANG FUMIN, et al. Control Strategy for Smooth Switching of Microgrid Operation Mode Containing Energy Storage. [J]. Power capacitor & reactive power compensation, 2017, 38(2): 148-154. DOI： 10.14044/j.1674-1757.pcrpc.2017.02.027.

摘要

微电网并网和孤岛模式的平滑切换是提高微电网可靠性的关键。本文在分析微电网4种运行模式的基础上

提出以储能单元作为运行模式切换过程中的功率缓冲装置

分析了其在并网、孤岛以及2种运行模式切换期间的控制策略

解决微电源因微电网运行模式切换而改变控制策略或大幅调节输出功率的问题

减小切换过程对负荷的影响

保证并网和孤岛间的平稳过渡

并在实验室平台验证了该控制策略的有效性。

Abstract

Smooth switching between grid and island mode of microgrid is the key to improve the power quality and reliability. In this paper

the energy storage unit as the power damping device in the switching period is proposed on the basis of analyzing four types of operation modes of microgrid

and its control strategy between such two operation mode as grid and island is analyzed

and such problem as change of control strategy or remarkable adjustment of output power caused by micro power supply due to the switching of microgrid mode is solved

the influence of switching process on the load is reduced so to assure smooth transition between the grid-connection and island. The effectiveness of the control strategy is verified in the laboratory platform.

关键词

储能微电网孤岛运行并网运行平滑切换控制

Keywords

energy storage unitmicrogridisland operationgrid-connection operationsmooth switching control

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