Generic maximum power point tracking controller for small-scale wind turbines

Narayana, Mahinsasa, Putrus, Ghanim, Jovanovic, Milutin, Leung, Pak Sing and McDonald, Stephen (2012) Generic maximum power point tracking controller for small-scale wind turbines. Renewable Energy, 44. pp. 72-79. ISSN 0960-1481

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Official URL: http://dx.doi.org/10.1016/j.renene.2011.12.015

Abstract

The output power of a wind energy conversion system (WECS) is maximized if the wind rotor is driven at an optimal rotational speed for a particular wind speed. To achieve this, a Maximum Power Point Tracking (MPPT) controller is usually used. A successful implementation of the MPPT controller requires knowledge of the turbine dynamics and instantaneous measurements of the wind speed and rotor speed.
To obtain the optimal operating point, rotor-generator characteristics should be known and these are different from one system to another. Therefore, there is a need for an efficient universal MPPT controller for WECS to operate without predetermined characteristics. MPPT control of WECSs becomes difficult due to fluctuation of wind speed and wind rotor inertia. This issue is analyzed in the paper, and an Adaptive Filter together with a Fuzzy Logic based MPPT controller suitable for small-scale WECSs is proposed. The proposed controller can be implemented without predetermined WECS characteristics.

Item Type: Article
Uncontrolled Keywords: Wind energy conversion systems, wind rotor, maximum power point tracking control, adaptive control, Fuzzy Logic
Subjects: H600 Electronic and Electrical Engineering
H900 Others in Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Faculties > Engineering and Environment > Mathematics and Information Sciences
Depositing User: Sarah Howells
Date Deposited: 25 Apr 2012 15:21
Last Modified: 08 May 2017 12:36
URI: http://nrl.northumbria.ac.uk/id/eprint/6489

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