12kW Brushless Permanent Magnet Generator 400V Three Phase for Wind Turbine This 12kW brushless permanent magnet generator is a three phase PMSG designed for small wind turbine systems. The gearless rotor runs at low speed without carbon brushes, which removes brush wear and excitation loss, making the unit almost maintenance free for residential and farm wind power projects. Key Features Brushless excitation free structure, no carbon brush replacement during service life