WES 250 WES, Wind Energy Solutions
Wind vane: Driven by: Electro motor with wormwheel reduction: Power yawmotor: 2x 1,5 kW: Yaw speed: 0,77#176;/sec. Yaw bearing: Single ball bearing; externally geared (Rothe Erde) Yawbrakes: Constant frictionbrakes; 4 pcs. WES250 Safety: First safety system: Passive blade pitching: activated by: rotor speed (70 rpm) Second safety system