Study on Improving Transient Performance of Micro-grid by Application of Adaptive Droop Control and Compensation

WEI Bin; WANG Wei; BIAN Qingchao; WANG Jiaxiang

doi:10.14044/j.1674-1757.pcrpc.2020.05.021

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Study on Improving Transient Performance of Micro-grid by Application of Adaptive Droop Control and Compensation

更新时间：2024-09-14

- Study on Improving Transient Performance of Micro-grid by Application of Adaptive Droop Control and Compensation
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 5, Pages: 125-130(2020)
- 作者机构：
  
  1. 空军工程大学基础部
  2. 空军工程大学航空工程学院
  3. 青岛黄海学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.05.021
  CLC： TM464
- Published：2020，
- 稿件说明：
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[1]魏斌,王薇,边庆超,王加祥.应用自适应下垂控制及补偿环节提高微网暂态性能研究[J].电力电容器与无功补偿,2020,41(05):125-130.

WEI BIN, WANG WEI, BIAN QINGCHAO, et al. Study on Improving Transient Performance of Micro-grid by Application of Adaptive Droop Control and Compensation. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 125-130.
[1]魏斌,王薇,边庆超,王加祥.应用自适应下垂控制及补偿环节提高微网暂态性能研究[J].电力电容器与无功补偿,2020,41(05):125-130. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.021.

WEI BIN, WANG WEI, BIAN QINGCHAO, et al. Study on Improving Transient Performance of Micro-grid by Application of Adaptive Droop Control and Compensation. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 125-130. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.021.

摘要

在典型低压微电网中

多个分布式电源逆变装置通过公共连接点与大电网相连。为了模拟无互联线并联结构的模拟同步发电机特性

在并网逆变器控制系统中

广泛采用下垂控制实现分布式电源功率分配。针对传统下垂控制功率分配存在误差问题

提出一种新型自适应下垂控制方案来增加功率分配精度;为了提高低压微电网中布式电源逆变器的抗干扰和动态性能

引入频率、电压补偿环节在自适应下垂控制中来提高系统鲁棒性。将上述控制策略通过Matlab/Simulink仿真来验证本文所提方案可以提高微网暂态性能。

Abstract

In a typical low-voltage micro-grid

multiple distributed generation inverters are connected to the large grid through common connection points.In order to simulate the characteristics of the analog synchronous generator without interconnected parallel structure

the droop control is widely used in the control system of grid-connected inverters so to realize the power distribution of distributed generators.In view of the error of power alloc ation in traditional droop control

a kind of new adaptive droop control scheme is proposed to improve the accuracy of power allocation.For improving the anti-interference and dynamic performance of distributed power supply inverters in low-voltage micro-grid

frequency and voltage compensation links are introduced to improve the robustness of the system in adaptive droop control.The above control strategy is verified by simulation with Matlab/Simulink to improve the transient performance of micro-grid.

关键词

低压微电网并网逆变器自适应下垂控制频率、电压补偿环节

Keywords

low voltage micro-gridgrid-connected inverteradaptive drop controlfrequency and voltage compensation

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