Open AccessIntegrated condition‐based maintenance modelling and optimisation for offshore wind turbines
Author(s) -
Dao Cuong D.,
Kazemtabrizi Behzad,
Crabtree Christopher J.,
Tavner Peter J.
Publication year - 2021
Publication title -
wind energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.743
H-Index - 92
eISSN - 1099-1824
pISSN - 1095-4244
DOI - 10.1002/we.2625
Subject(s) - downtime , offshore wind power , turbine , wind power , maintenance actions , condition monitoring , preventive maintenance , reliability engineering , proactive maintenance , predictive maintenance , prognostics , engineering , marine engineering , condition based maintenance , planned maintenance , submarine pipeline , mechanical engineering , electrical engineering , geotechnical engineering
Maintenance is essential in keeping wind energy assets operating efficiently. With the development of advanced condition monitoring, diagnostics and prognostics, condition‐based maintenance has attracted much attention in the offshore wind industry in recent years. This paper models various maintenance activities and their impacts on the degradation and performance of offshore wind turbine components. An integrated maintenance strategy of corrective maintenance, imperfect time‐based preventive maintenance and condition‐based maintenance is proposed and compared with other traditional maintenance strategies. A maintenance simulation programme is developed to simulate the degradation and maintenance of offshore wind turbines and estimate their performance. A case study on a 10‐MW offshore wind turbine (OWT) is presented to analyse the performance of different maintenance strategies. The simulation results reveal that the proposed strategy not only reduces the total maintenance cost but also improves the energy generation by reducing the total downtime and expected energy not supplied. Furthermore, the proposed maintenance strategy is optimised to find the best degradation threshold and balance the trade‐off between the use of condition‐based maintenance and other maintenance activities.