Development of a new low-cost procedure for wind farm maintenance with a view to decrease soil pollution

Document Type: Original Research Paper


1 Universidade da Coruña. Escuela Técnica Superior de N. y M. Departamento de Energía y P. M. Paseo de Ronda, 51, 15011. A Coruña, España

2 Department of Geography, Golestan University, Shahid Beheshti 49138-15759, Gorgan, Iran



The purpose of this article is to present the development of a wind farm, with a condition monitoring system (CMS) based on control charts as the algorithm, centred on a new index, to prevent soil pollution by oil spills in wind farms. To this end, temperature sensors can be considered as one of the more significant sensors to be employed in this study, because the information obtained with regard to anemometers and electrical power output counters can be employed by the control system. As a result, among the other variables, oil temperatures sampled in multipliers used in the wind turbines of a real wind farm were employed. Statistical analyzes were developed and the relationship between wind farm maintenance (usually related to wind farm oil spills) and oil temperature was obtained. Furthermore, a practical case study, centered in the statistical process control, based on the low-cost sample variable was developed and showed that this new procedure would improve deficiencies in the maintenance process, thus, reducing the failure detection time under low sensor cost, as also the related soil pollution.


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