Estimating maintenance costs of a wind turbine pitch control system

E. Nunes & J. Telhada

Centro Algoritmi, University of Minho, Braga, Portugal

M. Carvalho

Polytechnic Institute of Cávado and Ave, Barcelos, Portugal

ABSTRACT: Wind turbines are nowadays the principal source of wind energy production. However, the technical information publicly known about these machines is still very scarce. Indeed, information related to failure modes, unavailability and maintenance costs of these systems remains confidential and only is held by manufacturers. To be able to optimize the efficiency, to guarantee the security and to negotiate better warranty and maintenance contracts, it is necessary to know more information about the operation and maintenance ...

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