Robust Dichotomy Solution-Based Model Predictive Control for the Grid-Connected Inverters with Disturbance Observer

Huanyue Liao; Xin Zhang; Zhijun Ma

首页> 中文期刊> 《中国电工技术学会电机与系统学报（英文）》 >Robust Dichotomy Solution-Based Model Predictive Control for the Grid-Connected Inverters with Disturbance Observer

Robust Dichotomy Solution-Based Model Predictive Control for the Grid-Connected Inverters with Disturbance Observer

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摘要

This paper proposes a robust dichotomy-based model predictive control(DS-MPC)with a fixed switching frequency for the grid-connected inverter(GCI).The proposed fast dichotomy algorithm can select and deduce the optimal voltage vector dynamically through the space vector plane.Therefore,the proposed DS-MPC strategy could ensure dynamic performance and steady-state performance as well.Also,the current control robustness can be improved through DS-MPC with disturbance observer(DO)based on the extended Kalman filter(EKF).The novelty of this control is that the current control with fast dynamic response can be realized in the weak grid,even if the grid voltages are greatly distorted.Simulation and hardware experiments on the weak grid validate the effectiveness of the proposed DS-MPC with the EKF observer approach.

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《中国电工技术学会电机与系统学报（英文）》 |2021年第2期|81-89|共9页
作者
Huanyue Liao; Xin Zhang; Zhijun Ma;
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作者单位

School of Electrical and Electronic Engineering;

Nanyang Technological University;

College of Electrical Engineering;

Zhejiang University;

Hangzhou 310027;

China;

Hangzhou Global Scientific and Technological Innovation Center;

Zhejiang University;

Hangzhou 310058;

China;

National Maglev Transportation Engineering R&D Center;

Tongji University;

Shanghai;

China;

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原文格式 PDF
正文语种 chi
中图分类计算技术、计算机技术;
关键词
Dichotomy solution-based model predictive control(DS-MPC); three-phase grid-connected inverter(GCI); weak grid; voltage vector dichotomy;

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Robust Dichotomy Solution-Based Model Predictive Control for the Grid-Connected Inverters with Disturbance Observer

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