wind turbine generator 1.Low RPM (50-80r/min) 2.Low starting up torque 3.Direct drive The low RPM vertical wind turbine generator rated power:300W80RPM,500W80RPM,1KW55RPM,2KW50RPM,3KW50RPM,5KW50RPM,10KW50RPMgenerator style:permanent magnetism 3 phase ACgenerator material: NdFeB, F grade copper wire,cast iron/ aluminium