100 Percent Copper Winding Material Permanent Magnet Generator Product Overview The fundamental concept behind a permanent magnet generator is that its rotor incorporates permanent magnet materials, which produce a steady magnetic field. This constant magnetic field is essential for the generator's operation. When a prime mover—such as a wind turbine, water turbine, or engine—causes the rotor to spin, the magnetic field rotates along with it. As this rotating magnetic field