Active Power Control of Wind Turbines Considering Wind Speed Range of Non-pitch Regulation

被引：0
|
作者：
Gu W. [1 ]
Chen Z. [1 ]
Yin M. [1 ]
Li Q. [2 ]
Li Q. [2 ]
Zou Y. [1 ]
机构：
[1] School of Automation, Nanjing University of Science and Technology, Nanjing
[2] State Grid Jiangsu Electric Power Co., Ltd. Research Institute, Nanjing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 03期
基金：
中国国家自然科学基金;
关键词：
active power control (APC); experimental platform for dynamic simulation of wind turbine; matched pitch angle; rotor with passive speed variation; wind speed range of non-pitch regulation; wind turbine;
D O I：
10.7500/AEPS20211118001
中图分类号：
学科分类号：
摘要：
For the existing active power control (APC) methods based on the rotor with passive speed variation, the pitch regulation is only activated at the boundaries of variable-speed range and the pitch angle is set by feedback control laws. Therefore, the setting of the pitch angle of the rotor with passive speed variation has strong randomness. This paper reveals that the pitch angle significantly affects the dynamic characteristic of the rotor with passive speed variation. The randomly setting pitch angle is difficult to adapt to the fluctuation range of the actual wind speed, resulting in over-speeding of the rotor or electromagnetic power drop. Hence, based on the wind speed range of non-pitch regulation, the paper establishes the matching relationship between the pitch angle of the rotor with passive speed variation and the fluctuation range of wind speed, and the APC method of wind turbines considering the wind speed range of non-pitch regulation is proposed. This method can overcome the randomness of the pitch angle setting in the existing APC method by adding the pitch angle setting link and dynamically set the pitch angle that adapts to the wind speed fluctuation range, thereby reducing the frequency of the rotor reaching the rotational speed boundary, and alleviating wind turbine overspeed and electromagnetic power drop. Finally, experiments based on the experimental platform for the dynamic simulation of wind turbines verify the effectiveness of the proposed method. © 2023 Automation of Electric Power Systems Press. All rights reserved.
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页码：40 / 48
页数：8
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