基于分层控制的多微网并网/解列运行控制策略

YANG Gang

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基于分层控制的多微网并网/解列运行控制策略

更新时间：2025-08-13

- 基于分层控制的多微网并网/解列运行控制策略
- Automation of Electric Power Systems Vol. 40, Issue 5, Pages: 96-101(2016)
- 作者机构：
  
  新能源电力系统国家重点实验室, 华北电力大学,北京市,102206
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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YANG Gang. [J]. Automation of electric power systems, 2016, 40(5): 96-101.
DOI：

YANG Gang. [J]. Automation of electric power systems, 2016, 40(5): 96-101. DOI：

摘要

针对传统V/f下垂控制在微网并网/孤岛运行过程中控制精度低、频率稳定性差等问题

通过对下垂控制的理论分析

考虑了线路等效电阻对微网控制的影响

提出了一种改进的V/δ下垂控制方法。以此方法为基础

设计了以微网中央控制器为核心的多微网分层协调控制系统

提出了多微网并网/解列运行过程的暂态控制策略与流程。以某海岛离网型风光柴储系统为对象

EMTDC/PSCAD仿真和实际系统试验验证了所提控制策略与流程的有效性。

Abstract

To solve the problems of low control accuracy and frequency instability existing in the conventional V/f droop control during the grid connection/disconnection process of microgrid

an improved V/δ droop control method considering the influence of equivalent resistance on microgrid control is proposed based on the theoretical analysis of droop control. Based on this method

a coordinated multi-microgrid hierarchical control system is designed by taking the microgrid central controller as the core. Then the transient-state control strategy and process during the grid connection/disconnection process of multi-microgrid is put forward. Finally

by taking an off-network wind/photovoltaic/diesel/energy-storage project as an example

the control strategy and the process are verified through the EMTDC/PSCAD simulation and the test in an actual system. This work is supported by National High Technology Research and Development Program of China (863 Program) (No. 2012AA050208).

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