Eli5: windmills
Why is it that in an entire group of windmills all facing the same direction and all right next to each other, you sometimes only see one or two moving and the other windmills aren’t moving at all?
I’m driving through California and noticed this, which is prompting my question. I would expect all of them should be turning, so I think they’re either immobilizing most of them, or manually spinning those windmills somehow. In either case, why? Or am I wrong in my assumptions?
In: 43
Wind turbines can be turned off. The reason you would do this is that if you are generating more power than can be used by the grid, that can cause problems. So if you have a bunch of turbines and they’re generating too much power, you will want to stop a couple of them.
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