Here’s a great little tutorial on creating a 1,000 watt wind turbine.
“We built a 1000 watt wind turbine to help charge the battery bank that powers our off grid home.
It’s a permanent magnet alternator, generating 3 phase ac, rectified to dc, and fed to a charge controller.
The magnets spin with the wind, the coils are fixed, so no brushes or slip rings necessary…”