Primary frequency regulation strategy for doubly-fed induction generators based on virtual inertia

被引：0

作者：

Zhao, Jingwei ^{[1
]}

Dou, Zhenhai ^{[1
]}

机构：

[1] Shandong University of Technology, Zibo

来源：

International Journal of Metrology and Quality Engineering | 2024年 / 15卷

关键词：

Doubly-fed induction generator; Frequency regulation; Virtual inertia;

D O I：

10.1051/ijmqe/2024018

中图分类号：

学科分类号：

摘要：

With the continuous increase of wind power generation capacity, the necessity of wind power generation participating in primary frequency regulation is also increasing. Most traditional doubly-fed induction generators do not have the capability of frequency regulation control. To solve this problem, the primary frequency regulation strategy for doubly-fed induction generators is designed based by using the inertia of wind turbines. The power control principle and frequency response process of doubly-fed induction generators are studied. On this basis, a strategy of primary frequency regulation based on virtual inertia is proposed. The method enhances the ability of the doubly-fed induction generator to adjust transient and steady-state power when the frequency of the power network changes, and realizes the doubly-fed generators to take part in the primary frequency regulation of the power system. The 3-generator 9-bus model is built using MATLAB/Simulink, in which wind power capacity accounted for 20%. Using this model, it is verified that the virtual inertia strategy can make the output power of doubly-fed generator change with the frequency of the power grid, can effectively participate in the primary frequency regulation of the power grid. © 2024 J. Zhao and Z. Dou, Published by EDP Sciences.

引用

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