Wind turbine alternator YJ140A

three-phaseasynchronous6-pole

3MW jacket cooling double-fed asynchronous wind power generator adopts special ventilation structure, and it’s characterized by small volume, light weight, compact structure, low temperature rise, high reliability and strong adaptability; The bearings utilize special lubrication and insulation structure, which can effectively reduce the number of bearing failures; The rotor is under dynamic balance in the whole speed range, and its precision grade reaches G1.0. The entire machine has features of low vibration and low noise. Besides, its anti-corrosion grade reaches C5-M.