Engineering in Agriculture, Environment and Food
Online ISSN : 1881-8366
Invited Paper -ISMAB2012-
Optimal Design of Wind Turbine Gearbox using Helix Modification
Young-Jun PARKGeun-Ho LEEJin-Seop SONGYong-Yun NAMJu-Seok NAM
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Volume 6 (2013) Issue 4 Pages 147-151

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Abstract

Planetary gear sets, used commonly in wind turbine gearboxes, should have good load distribution on gears to improve the durability. In this paper, the influences of external loads caused by wind fluctuation on the load distribution on the gear tooth flank are investigated. A state-of-the-art whole system model is developed to analyze the planetary gear set for the WTG. The results of gear mesh misalignment, contact pattern, load distributions are predicted and the gear safety factor is also evaluated. Therefore, the results presented state that if the optimal helix modification is applied, the edge loading of gear tooth ends disappears, contact pattern improves significantly, the face load factor decreases and the gear safety factor increases.

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© 2013 Asian Agricultural and Biological Engineering Association
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