Dynamic Inertia Evaluation for type-3 Wind Turbines Based on Inertia Function

被引：21

作者：

Guo, Xiang ^{[1
]}

Zhu, Donghai ^{[1
]}

Zou, Xudong ^{[1
]}

Jiang, Bingchen ^{[2
]}

Yang, Yihang ^{[1
]}

Kang, Yong ^{[1
]}

Peng, Li ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China

[2] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

来源：

IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS | 2021年 / 11卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Stators; Rotors; Power system dynamics; Phase locked loops; Voltage control; Wind turbines; Transfer functions; Dynamic inertia; inertia function; inertia capability; type-3 wind turbines (WTs);

D O I：

10.1109/JETCAS.2021.3051029

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Inertia constant is widely used to evaluate the inertia capability for wind turbines (WTs). However, the method fails to reflect the dynamic characteristics of the inertia and neglects the impacts of controllers. For this issue, this article establishes an inertia function to analyze the dynamic inertia for type-3 WTs. Firstly, the consistency of the power transfer mechanisms between the type-3 WT and synchronous generator (SG) is discussed. Then, a new approach to construct the inertia function is offered according to the phase motion model of SG. On this basis, the impacts of the controllers and operating points on the inertia are explored, and the critical factors are revealed. The analysis results help to understand and optimize the inertia capability of the type-3 WT. Moreover, compared with the conventional inertia constant, the presented inertia function can better reveal the dynamic nature and the influence rule of inertia. Finally, the analysis is validated by IEEE 3-bus test system simulation.

引用

页码：28 / 38

页数：11

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