国外－－风机叶片维修.pdfVIP

FEATURE The future of blade repair Damage to wind turbine blades can significantly lower the turbine’s performance, but on site repair of wind turbine blades has traditionally been time consuming and of variable quality. David Cripps, Global Account Manager, Gurit Wind Energy describes a new blade repair system which is clean, fast and can be used in a wider temperature range. he adoption of wind energy has been planning process, there are additional factors instances split the blade edge or de-bond a Tthe backbone of the green revolution such as wind turbulence and wind direction section of a load bearing beam. for renewable energy. Once installed changes that are. These conditions can have the wind turbines are estimated to have a life a severe impact on the fatigue experienced Where these faults are not repaired there expectancy of 20+ years. Although mainten- by the turbine blades and can lead to early arises the potential for imbalance in the rotor ance requirements are low, the turbine blades ‘wear and tear’ damage. blade set, strain on the nacelle and additional do not receive the attention and frequent wear being exerted on the bearing. There is review that other turbine components do. Before looking at the repair process and the also the additional potential for loss in blade materials used, it is important to appreciate stiffness and the risk of a catastrophic failure Operations and maintenance are critical the impact of poor maintenance. With caused by an impact with the tower.