Upgrade of a Yaw System and its Operation Strategy to a 2 MW Wind Turbine

Abstract

The yawing system in a wind turbine keeps the nacelle facing the incoming wind direction to obtain a better efficiency while it also induces the vibration and fatigue load to the structure. In this paper, the yawing system was discussed and an upgrade plan been provided to a real 2 MW wind turbine. The result has shown the significant improvement on the load output after the update.