Optimal maintenance management of offshore wind turbines by minimizing the costs

Alfredo Peinado Gonzalo, Tahar Benmessaoud, Mani Entezami, Fausto Pedro García Márquez

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Abstract

Renewable and sustainable energy production systems offer promising perspectives for the future, as their production and maintenance prices decrease, and their efficiency and reliability increase, favouring the competitiveness of this industry. Thereby, wind energy is one of the most used and developed as renewable energy, since it is a cost-effective way to generate clean and sustainable energy. Wind energy is divided into onshore and offshore depending on the wind farm location. Offshore wind energy is increasing its use. However, the offshore industry requires more maintenance, which is also more complicated to do because of the environmental conditions. Setting the best maintenance strategy becomes a complicated optimization problem with several objectives and constraint functions. In this paper, a novel multi-objective optimization problem is defined and solved for real case studies by using Genetic Algorithms and Particle Swarm Optimization to minimize operational costs and maximize performance of the wind turbines. The results of both algorithms are compared considering several scenarios in a real case study. These results show a better performance of Particle Swarm Optimization for optimal cost achieved, and less computational cost to solve it. Finally, the influence of the model parameters is studied by performing a sensitivity study, that shows the importance of preventive maintenance and the reduction of corrective maintenance tasks.
Original languageEnglish
Article number102230
Number of pages10
JournalSustainable Energy Technologies and Assessments
Volume52
Early online date19 Apr 2022
DOIs
Publication statusE-pub ahead of print - 19 Apr 2022

Bibliographical note

Funding Information:
The work reported herewith has been financially by the Junta de Comunidades de Castilla-La Mancha y Fondos FEDER (EU), under Research Grant ProSeaWind project (Ref.: SBPLY/19/180501/000102).

Publisher Copyright:
© 2022 The Author(s)

Keywords

  • Maintenance
  • Wind farm
  • Offshore
  • Genetic Algorithms (GA)
  • Particle Swarm Optimization (PSO)

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment

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