Research on control method of special inverter in micro-grid based on model predictive control

被引：0

作者：

Dong R. ^{[1
]}

Liu S. ^{[1
]}

Liang G. ^{[1
]}

An X. ^{[1
]}

机构：

[1] School of Control and Computer Engineering, North China Electric Power University, Beijing

来源：

Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2019年 / 47卷 / 21期

基金：

中国国家自然科学基金;

关键词：

Distributed generation; Dynamic characteristics; Inverter; Micro-grid; Model predictive control;

D O I：

10.19783/j.cnki.pspc.181431

中图分类号：

学科分类号：

摘要：

Aiming at the problem of high randomness of load and high sensitivity of distributed power supply to the load changes in the micro-grid, the special inverter output controller, which is applicable to the characteristic of the micro-grid, is improved through the dynamic matrix predictive control in model predictive control theory. For the internal control structure of the grid-connected inverter in the traditional distributed generation system, the traditional power controller is retained, and a model prediction controller is designed through the model-control-based dynamic matrix predictive control method to replace the voltage loop and current loop output controller at AC side and the voltage controller at DC side in the traditional control structure. It is proved in the simulation experiment that this inverter control method enhances the dynamic response speed of the inverter controller, improves the overshoot, oscillation and steady-state error of the traditional controller, and promotes the dynamic performance of the internal control system of the inverter. © 2019, Power System Protection and Control Press. All right reserved.

引用

页码：11 / 20

页数：9

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