UPS and generator interaction?

Mon Mar 29 18:43:22 UTC 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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