Volume 7, Number 2 (7-2017)
JEM 2017, 7(2): 26-41 |
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Nonlinear Modelling and Complementary Robust Control of Variable Speed Pitch Regulated Wind Turbine Generator. JEM. 2017; 7 (2) :26-41
URL: http://energy.kashanu.ac.ir/article-1-805-en.html
URL: http://energy.kashanu.ac.ir/article-1-805-en.html
Abstract:
This paper presents a complete nonlinear model for a wind turbine system with a variable speed cage machine generator, firstly. Then a primary controller which is named “reference signal generator” will be designed to lead system to optimum operating condition at various wind speeds. Regulating terminal voltage of generator, increasing generator efficiency and maximum power tracking are the control objectives. Finally using the linearized state space model of system, a complementary robust H∞ controller will improve transient response of the system considering its uncertainties in the aerodynamic parameters. Simulation results show that the proposed controller damps the power oscillation more rapidly and improves stability of overall system.
Keywords: Wind Turbine Modelling, Wind power generation, Variable speed Induction generators, Vector Control, Pitch Control, H∞ control
Type of Study: Applicable |
Subject:
Electrical Engineering
