Nguyen, Trinh Hoang; Prinz, Andreas; Friisø, Trond; … - In: Renewable Energy 60 (2013) C, pp. 150-161
Operation and maintenance play an important role in maximizing the yield and minimizing the downtime of wind turbines, especially offshore wind farms where access can be difficult due to harsh weather conditions for long periods. It contributes up to 25–30% to the cost of energy generation....