Assessing offshore wind turbine reliability and availability

Iraklis Lazakis, Maria A Kougioumtzoglou

Research output: Contribution to journalArticle

Abstract

The renewables sector and particularly offshore wind energy is a fast developing industry over the last few years. Especially activities related to the Installation, Operation and Maintenance (O&M) of offshore wind turbines becomes a challenging task with inherent risks. This paper assesses the risks related to the above stages of a wind farm lifecycle using the FMECA (Failure Mode, Effects and Criticality Analysis) and HAZID (Hazard Identification) methods. All works, from installation to O&M are considered together with the wind turbine main components. An integrated risk analysis methodology is presented addressing personnel Safety (S), Environmental impact (E), Asset integrity (A) and Operation (O). The above is supplemented by a cost analysis with the aid of BBN (Bayesian Belief Networks) method in order to assist the decision making process related to installation and O&M tasks. All major risks and critical wind turbine components are identified as well as measures are suggested in order to prevent or mitigate them. Moreover, inspection and maintenance plans are elaborated in general for the mentioned activities
LanguageEnglish
Pages1-24
Number of pages24
JournalProceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment
Publication statusAccepted/In press - 5 Aug 2017

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Offshore wind turbines
Turbine components
Availability
Wind turbines
Bayesian networks
Risk analysis
Farms
Wind power
Failure modes
Environmental impact
Hazards
Inspection
Decision making
Personnel
Costs
Industry

Keywords

  • risk analysis (O&M)
  • offshore wind farm
  • FMECA
  • HAZID
  • BBN

Cite this

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