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Wind turbulence impacts to onshore and offshore wind turbines gearbox fatigue life

Lookup NU author(s): Yuqing Xu, Dr Wenxian YangORCiD


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As a critical mechanical component of a wind turbine, gearbox failures mainly attribute to cumulative fatigue. Therefore, understanding and quantifying fatigue impacts to wind turbine operational life is important for its design optimization. According to ISO 6336, gearbox service life under variable load can be calculated and the damage due to cumulative fatigue can be quantified. While wind turbine is exposed to random wind speed with certain statistical distribution and different turbulence scales, which becomes the main impacts of transient gearbox load variation. By introducing different turbulence scale this paper quantifies gearbox load spectrum variation and cumulative fatigue damage to predict gearbox service life. The result obtained in this paper can be used for offshore wind turbine gearbox design optimization.

Publication metadata

Author(s): Qiu Y, Xu Y, Li J, Feng Y, Yang W, Infield D

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IET Renewable Power Generation Conference 2014

Year of Conference: 2014

Online publication date: 22/12/2014

Acceptance date: 18/06/2014

Publisher: Institution of Engineering and Technology


DOI: 10.1049/cp.2014.0903

Library holdings: Search Newcastle University Library for this item

ISBN: 9781849199179