I might add that the cheap inverters simulate AC. Some of the better generators actually create DC and have a very good inverter that does very clean AC. I also work for the electric company in town. Our dispatch center and call center can not go down during storms when lights out calls come in. Almost the entire building is run on a HUGE inverter that is feed from a couple large battery plants that in turn are feed off DC battery chargers that can use either the normal AC line power or a big generator.
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