Edit to add: yes there are ways to generate any AC frequency you want. Obviously wind turbines don’t spin at 50Hz, they use gearboxes to convert mechanical motion to the desired frequency before converting to electricity. Each such conversion costs some energy, though.
Edit to add: yes there are ways to generate any AC frequency you want. Obviously wind turbines don’t spin at 50Hz, they use gearboxes to convert mechanical motion to the desired frequency before converting to electricity. Each such conversion costs some energy, though.