Multi-mode Power Coordination Control Strategy for AC/DC Hybrid Microgrid

YANG Xiangzhen; LI Yuning; DU Yan; SHI Yong

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Multi-mode Power Coordination Control Strategy for AC/DC Hybrid Microgrid

更新时间：2025-12-08

- Multi-mode Power Coordination Control Strategy for AC/DC Hybrid Microgrid
- Vol. 47, Issue 4, Pages: 1262-1274(2021)
- 作者机构：
  
  1. 合肥工业大学电气与自动化工程学院
  2. 光伏系统教育部工程研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 April 2021，
  
  Published：2021
- 稿件说明：
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YANG Xiangzhen, LI Yuning, DU Yan, et al. Multi-mode Power Coordination Control Strategy for AC/DC Hybrid Microgrid[J]. 2021, 47(4): 1262-1274.
DOI：

YANG Xiangzhen, LI Yuning, DU Yan, et al. Multi-mode Power Coordination Control Strategy for AC/DC Hybrid Microgrid[J]. 2021, 47(4): 1262-1274. DOI：

摘要

为了解决交直流混合微电网中储能单元荷电状态（state of charge

SOC）变化导致的子网互济能力变化和系统供电可靠性问题

提出一种综合考虑子网运行状态和储能SOC变化的交直流混合微电网多模式功率协调控制策略

将系统的运行模式划分为盈余互济、缺损互济、独立运行和功率共享4种情况

详细研究了在不同运行模式下网间互济功率的传输原则和计算方法

从而实现系统源荷功率平衡和网间SOC均衡

达到了提高交直流混合微电网的可靠性和储能利用效率的目的。最后

在Matlab/Simulink仿真平台上搭建仿真模型并验证了所提多模式控制策略有效性。

Abstract

In order to solve the problem of mutually-supplied capacity variation between sub-microgrids and the reliability of power supply affected by the state of charge（SOC） of energy storage units in AC/DC hybrid microgrid

a multi-mode coordinated power control strategy is proposed considering both of the operation states and the SOC of sub-microgrids. The operation mode is divided into 4 states

namely

surplus mutual operation

defective mutual operation

independent operation

and power sharing operation

according to the proposed strategy. The principles of power transfer and the calculation of power references are researched in detail for four kinds of different operation states. Therefore

both the power balance of system and the relatively equilibrium of SOC in sub-microgrids are realized to improve the reliability of power supply and utilization efficiency of energy storage units in AC/DC hybrid microgrid. Finally

a simulation model is established by Matlab/Simulink to verify the effectiveness of proposed control strategy.

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