Influence of scaling effects on hub loads of a horizontal wind turbine

R. Kazacoks, P. Jamieson

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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Abstract

Wind industry aims to generate more energy and reduce energy cost by increasing energy capacity of machines. As a result the loading scales up non-linearly. Nowadays there is a lack of studies of variation loads (specially fatigue ones) due to the up-scaling of wind turbine. This paper aims to generate a general fatigue load trends of several wind turbines, which are available to public. The accuracy of a controller of wind turbine models was investigated by checking blade root bending moments. Subsequently, fatigue loads were calculated based on these bending moments of blade root for each wind turbine model. The obtained results demonstrated possibility to generate the general load trend among the models. Additionally the blade root loading was divided into deterministic and stochastic parts, where each part was investigated the effect on fatigue loads. Moreover, a sensitivity study was performed to identify how much of influence does wind turbulence was on fatigue loads by the increasing reference turbulence intensity.
Original languageEnglish
Title of host publication3rd Renewable Power Generation Conference (RPG 2014)
Number of pages30
DOIs
Publication statusPublished - 24 Sep 2014
Event3rd Renewable Power Generation Conference, RPG 2014 - Naples, United Kingdom
Duration: 24 Sep 201425 Sep 2014

Conference

Conference3rd Renewable Power Generation Conference, RPG 2014
CountryUnited Kingdom
CityNaples
Period24/09/1425/09/14

Keywords

  • bending
  • blades
  • fatigue
  • wind power plants
  • wind turbines
  • blade root bending moments
  • energy capacity
  • energy cost
  • general fatigue load trends
  • reference turbulence intensity
  • sensitivity study
  • variation loads
  • wind industry
  • wind turbulence
  • blade root loads
  • scaling

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