75kW Permanent Magnet Generator 690V 300rpm Wind Turbine High Efficiency This 75kW permanent magnet generator is a high efficiency PMSG built for medium wind turbines. Generating 690V at 300rpm, it connects directly to modern wind inverters and delivers 97% efficiency, so this permanent magnetic generator captures more of every gust as usable power. Key Features 690V three phase output reduces cable loss in tower and farm collection 97% efficiency converts more wind energy