Synthesis on PI-based pitch controller of large wind turbines generator

Wang, Jun-Song, Tse, Norman and Gao, Zhiwei (2011) Synthesis on PI-based pitch controller of large wind turbines generator. Energy Conversion and Management, 52 (2). pp. 1288-1294. ISSN 0196-8904

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Official URL: http://dx.doi.org/10.1016/j.enconman.2010.09.026

Abstract

In this paper, proportional and integral (PI) pitch controller is analyzed and designed for a large wind turbine generator (WTG) by using graphical approach. Firstly, the transfer function of the wind turbine which including a time delay in the hydraulic pressure driven unit of pitch control system is derived. The complete stabilizing set in the plain of proportional–integral gains can then be drawn and identified immediately based on the presented method, rather than computed mathematically. The influence of the time delay in hydraulic pressure driven of pitch unit on the stability region of PI controller is analyzed as well. Finally, the proposed techniques are verified by using simulation results to the actual model of WTG.

Item Type: Article
Uncontrolled Keywords: wind turbines generator, PI control, pitch control, stabilization, time delay
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
Faculties > Engineering and Environment > Physics and Electrical Engineering
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Depositing User: EPrints Services
Date Deposited: 14 Sep 2011 11:41
Last Modified: 19 Oct 2015 13:39
URI: http://nrl.northumbria.ac.uk/id/eprint/1485

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