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http://dx.doi.org/10.7471/ikeee.2015.19.2.225

The Adaptive Maximum Power Point Tracking Control in Wind Turbine System Using Torque Control  

Hyun, Jong-Ho (Major of Wind Power Electricity and Control System Engineering, Faculty of Wind Energy Engineering Graduate School, Jeju National University)
Kim, Kyung-Youn (Dept. of Electronic Engineering, Jeju National University)
Publication Information
Journal of IKEEE / v.19, no.2, 2015 , pp. 225-231 More about this Journal
Abstract
The parameter K which decides how much to convert wind energy to electric energy in MPPT(maximum power point tracking) control of wind turbine system using torque controller is changed because blade shape and air density change. If the parameter K is not optimal value, power lose occur. The changed parameter K is important issue in wind turbine system. In this paper, to solve this problem, considering wind turbine system using back-to-back converter control and torque control, we propose the adaptive MPPT algorithm which performs fast control by using initial K, estimates mechanical power using Kalman filter method, uses the estimated mechanical power as input for MPPT algorithm again, and consequently performs optimal MPPT control.
Keywords
permanent magnet synchronous generator; wind turbine system; maximum power point tracking; torque control; hill climbing search;
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