Hydraulic Control Technology for Wind Turbines The Yaw System With the aid of an integrated motor-gearbox combination, the yaw system accurately points the entire “head” of the wind turbine into the wind. This ensures that each turbine maximizes power output with the changing winds. Because of their high torque, a small number of drives are sufficient even for the biggest turbines. If the yaw system drives are integrated in a hydraulic concept, they are powered by the central hydraulics system. Learn more about Gear Technology and Hydraulics for Wind Turbines developed by Bosch Rexroth for the wind energy industry. Back to Hydraulic Control Technology