Mechanical sensorless control of a rotor-tied DFIG wind energy conversion system using a high gain observer

被引：2

作者：

Haider Khan M.S. ^{[1
]}

Kumar Mallik S. ^{[1
]}

机构：

[1] Department of Electrical Engineering, National Institute of Technology, Bihar, Patna

来源：

Journal of King Saud University - Engineering Sciences | 2024年 / 36卷 / 06期

关键词：

Doubly fed induction generator; High gain observer; Mechanical sensorless control; Rotor-tied DFIG; Wind energy conversion system;

D O I：

10.1016/j.jksues.2022.05.005

中图分类号：

学科分类号：

摘要：

This paper proposes a field-oriented control (FOC) of a rotor-tied DFIG (RT-DFIG) using a high gain observer (HGO). For speed/DC-voltage and current regulation, the FOC employs a Proportional-Integral (PI) controller in both outer and inner loops. The goal is to maximize wind power mining by allowing wind turbines to operate at variable speeds. In addition, by utilizing current/voltage measurements, HGO estimates the mechanical speed of the rotor for FOC deployment. Finally, the simulation results of the suggested method for the 7.5 kW RT-DFIG are provided. The HGO was tested in both static and dynamic wind settings and with parameter modifications. Furthermore, various existing observer-based control methods were compared, which verified the proposed method's superiority. © 2022 The Authors

引用

页码：391 / 399

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