Archive > 2014 > April 2014 > Gear Lubrication: Long-Term Protection for Wind Turbines

Gear Lubrication: Long-Term Protection for Wind Turbines - April 2014

Steve Mazzola, Michael Hochmann, Julian Wald

The article "Gear Lubrication: Long-Term Protection for Wind Turbines" appeared in the April 2014 issue of Power Transmission Engineering.

Summary
The chemical and physical properties of gear oils may change, depending - more or less - upon their formulation and the environmental conditions under which they are used. This is why - after three years of use in a wind turbine - a gear oil was examined to determine if indeed changes were evident and if the protection of the gears and rolling bearings still met the same requirements as would be expected of fresh oil. Our findings revealed that the existing gear oil - as well as its ability to protect the gears and rolling bearings - had degraded very little compared to fresh oil.

Keywords
lubrication, gears, wind turbine gearboxes, bearings

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