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Re: UPS and generator interaction?

  • From: Laurence F. Sheldon, Jr.
  • Date: Mon Mar 29 13:45:34 2004 
Patrick Muldoon wrote:


On Monday 29 March 2004 01:26 pm, Brian (nanog-list) wrote:


Does anyone know of a way to get a UPS to trigger a generator to start, and
to switch over to the generator power automatically or does this type of
thing just not exist?
I think you are looking at it wrong, you need an Automatic Transfer Switch. It connects to both commercial power and your generator, and provides a feed into your panels. Your UPS's sit in front of the ATS, and provide clean power. If/When you loose commercial power, the ATS will detect this and power on the generator, after a configurable amount of time it will switch to generator power, until commercial power comes back and is stable for X amount of time. 
We are talking about some significant energy levels here, and this
is NOT a DIY project.  If the switch is hooked up wrong, you can
(attempt) to power up your part of the grid during a failure, and
kill people in the attempt.

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