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Modeling and Modern Control of Wind Power
book

Modeling and Modern Control of Wind Power

by Qiuwei Wu, Yuanzhang Sun
February 2018
Intermediate to advanced content levelIntermediate to advanced
280 pages
8h 42m
English
Wiley-IEEE Press
Content preview from Modeling and Modern Control of Wind Power

Chapter 7Adaptive Control of Wind Turbines for Maximum Power Point Tracking

Haoran Zhao and Qiuwei Wu

Technical University of Denmark

The control objectives for a variable-speed wind turbine normally include limiting the captured wind power in the full-load regime and maximizing the harvested wind power in the partial-load regime. In this chapter, an c07-math-001 adaptive controller for maximum power point tracking (MPPT) of a small variable-speed wind energy conversion system (WECS) is presented. The proposed control scheme has a generic structure and can be applied for different generator types. The simulation results show that the designed c07-math-002 adaptive controller has good tracking performance, even with unmodeled dynamics and in the presence of parameter uncertainties and unknown disturbances.

7.1 Introduction

According to the speed control criterion, WECSs can be classified into two types: fixed speed and variable speed. Since the rotor speed can be regulated within a large range, variable-speed wind turbines have a higher aerodynamic efficiency and are more widely used [1]. Generally, the control system of a variable-speed WECS consists of three main sub-controllers: for pitch control, generator control and power transfer control, as illustrated in Figure 7.1.

Figure 7.1 Control system ...

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Publisher Resources

ISBN: 9781119236269Purchase book