Permanent magnet – GDF Series
![Permanent Magnet](https://i0.wp.com/www.energtrade.com/wp-content/uploads/2019/06/Permanent-Magnet-2.jpg?fit=773%2C561&ssl=1)
Perfect for variable speed energy production (by wind, by “screw” turbines, etc…), had the following main characteristics: Rare earth Nd-Fe-B permanent magnet rotor; No excitation windings, no carbon brushes, no slips rings, no need for gearbox; Simple structure, reliable, durable and maintenance free; Multi poles design, for improved frequency efficiency of rectifiers and inverters; […]
Permanent magnet – GDG Series
![GDG series](https://i0.wp.com/www.energtrade.com/wp-content/uploads/2019/07/GDG-series-1.jpg?fit=600%2C600&ssl=1)
Special Permanent Motor Design perfect for vertical axis wind turbines, with the following main characteristics : Torque patent technology: thanks to the newest “Precise Coil” technology, no hysteresis and very low starting torque (<1Nm); Original structure: very compact design; Perfect for low speed applications, no gearbox needed, direct drive; High standard quality components, for use […]