... : 690V; *50Hz,3-phase,AC; *Pole: 4P; *IP54, H; *IMB3 Water-cooled Duble-feedback Three Phase Induction Wind-Powered Generator*Combining the ... IMB3, protection degree IP54, insulation class H. Cooling method: air-cooled.*Aframe type box structure is adopted for the housing which ... of the generator is built in. Wind turbines (1.5MW-water-cooled)