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Question:

Industrial generators, how do they work?

Hello, what I'm really trying to understand is how do large generators that power prisons, hospitals and various government buildings work? I have a basic understanding of regular house generators and their working process. What I want to know is how such a generator can acquire power in a case of a complete electric blackout, is there a back up supply line? another power source? Surely to supply a large building such as a prison or a hospital one would need a large reserve of power. So the question is where does that power come from? Or are they completely autonomous? Also are these generators commonly used nowadays and what is the difference between them and the reserve power system if any. I would greatly appreciate any answers that could explain the above. Thanks.

Answer:

You are asking about backup generators? They have a gasoline or diesel engine driving the generator.

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