Self-recovery Droop Based Active Synchronization Control and Parameter Optimization of Distributed Generator

Xiuhui CHAI; Chunjiang ZHANG; Xiaojun ZHAO; Yang LIN; Lei GANG

doi:10.7500/AEPS20191204001

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Self-recovery Droop Based Active Synchronization Control and Parameter Optimization of Distributed Generator

Application Research | 更新时间：2025-06-16

- Self-recovery Droop Based Active Synchronization Control and Parameter Optimization of Distributed Generator
- Automation of Electric Power Systems Vol. 44, Issue 19, Pages: 128-133(2020)
- 作者机构：
  
  燕山大学电气工程学院，河北省秦皇岛市 066004
- 作者简介：
- 基金信息：
  
  Hebei Provincial Natural Science Foundation of China
- DOI：10.7500/AEPS20191204001
  CLC：
- Received：04 December 2019，
  
  Revised：2020-04-26，
  
  Published Online：06 June 2020，
  
  Published：10 October 2020
- 稿件说明：
移动端阅览
柴秀慧,张纯江,赵晓君等.基于自恢复下垂的分布式电源主动同步控制及参数优化[J].电力系统自动化,2020,44(19):128-133.

CHAI Xiuhui,ZHANG Chunjiang,ZHAO Xiaojun,et al.Self-recovery Droop Based Active Synchronization Control and Parameter Optimization of Distributed Generator[J].Automation of Electric Power Systems,2020,44(19):128-133.
柴秀慧,张纯江,赵晓君等.基于自恢复下垂的分布式电源主动同步控制及参数优化[J].电力系统自动化,2020,44(19):128-133. DOI： 10.7500/AEPS20191204001.

CHAI Xiuhui,ZHANG Chunjiang,ZHAO Xiaojun,et al.Self-recovery Droop Based Active Synchronization Control and Parameter Optimization of Distributed Generator[J].Automation of Electric Power Systems,2020,44(19):128-133. DOI： 10.7500/AEPS20191204001.

摘要

分布式电源实现独立运行和并网运行的关键是电力电子接口逆变器，而实现逆变器并网平滑切换的关键是公共耦合点(PCC)电压与电网电压的同步。文中采用基于频率自恢复的有功下垂控制和基于

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3.04799986

3.64066648

自恢复的

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下垂控制。针对基于自恢复下垂控制的主动同步控制，详细介绍了其主动同步控制的运行机理。分别建立了相位和幅值同步控制模型，给出了相位同步控制器和幅值同步控制器的控制器类型选择依据，分析了控制器参数对同步系统性能的影响，推导出同步控制器参数优化设计方法。通过同步控制参数优化设计和自恢复下垂控制，提高了同步控制系统性能，解决了同步过程中逆变器输出电压动态响应振荡问题。最后，建立了MATLAB仿真模型并构建了实验平台，仿真和实验结果验证了所述同步控制参数设计方法和下垂控制的正确性和可行性。

Abstract

Power electronic interface inverter is the key to stand-alone and grid-connected operation of the distributed generators. The key to smooth switching of grid-connected inverter is the synchronization between voltage at point of common coupling (PCC) and grid voltage. The active power droop control based on frequency self-recovery and the

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droop control based on

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2.53999996

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self-recovery are adopted. Aiming at the active synchronization control based on self-recovery droop control

the operation mechanism of active synchronization control is introduced in detail. The phase and amplitude synchronization control models are established respectively; the controller type selection basis of phase synchronization controller and amplitude synchronization controller is given; the influence of controller parameters on the performance of synchronization system is analyzed; and the optimal design method for controller parameters is derived. Through the optimization design of synchronous control parameters and the self-recovery droop control

the performance of the synchronous control system is improved and the problem of dynamic response oscillation of inverter output voltage during the synchronization process is solved. Finally

the simulation model based on MATLAB is established and the experimental platform is built. The simulation and experimental results verify the correctness and feasibility of the proposed design method for synchronization control parameters and the droop control.

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references

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