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Portable generator and transfer switch

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Posted by Ignoramus28450 on October 8, 2004, 9:32 am
 
I own a portable generator with 2 110V outlets and 2 220V outlets.
(military surplus)

I would like to install a transfer switch and wire the generator to
the transfer switch.

What is the best way to accomplish that?

Should I perhaps open up the panel and hard wire the wire from some
internal generator connections to the inlet box?

i

Posted by SQLit on October 8, 2004, 11:00 am
 


See response on the other post.
Forget the 120 volt plugs.  Connect to just one of the 220v sources.  Be
sure to check your HZ at an idle and at 50% load.


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Posted by Ignoramus28450 on October 8, 2004, 11:50 am
 
Thanks for both of your posts.

i

Posted by Bruce in Alaska on October 8, 2004, 3:29 pm
 

Be very carefull, and understand that most of the "Less than $2K"
Gensets that have 120/240Vac outputs will not drive their total
output out the 120Vac plugs.  This is due to the cheapie "Three
Wire Generators" that are used on these units. That 4Kw is spec'd
across both of the 240 Vac output legs. If your running out of one of
the 120Vac plugs, your only across one leg and therefor can only pull 2Kw
out of the genset. To get full power you would need to load both the
120Vac plugs with 2Kw each, and nothing across the 240Vac plug, or pull
240 out of that plug and then transform it down to 120Vac.  Also be aware
that highly unbalanced loads on the two 120Vac legs are "Bad News for
the generator.

Bruce in alaska
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Posted by Ignoramus28450 on October 8, 2004, 3:47 pm
 Alaska wrote:

I understand.


Hm, I wanted to connect the inlet to one of the 240V outputs. Not 120v.
Would that work?

i

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