Which is more efficient, excitation generator or permanent magnet generator

The permanent magnet generator has the characteristics of small size and greater power.

Direct Drive Permanent Magnet Wind Turbine Generator

The international advanced gearless direct-drive wind generators mostly use low-speed multi-pole permanent magnet generators and use a full-power inverter to send the frequency-changing wind power into the grid.

Off-Grid Low-Speed High-Efficiency Permanent Magnet Wind Power Generator

Wind energy is a clean, safe, and renewable green energy source, it has gradually become a new energy source developed and utilized by countries all over the world.