Kohler 25/30 kw 3 phase [RE-wrenches]

[Drake Chamberlin - Electrical Energy]

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Hi Wrenches,

This is an old thread, but I thought it fair to report what we finally 
decided to do.  We are adding a third SW4024 to the system to balance the 
three phase generator while charging.  We will also use the third inverter 
to feed a separate box in the house.  We will try to put the loads with 
heavy surges on the third unit, so that the surges won't dim the lights in 
the house that will run off the stacked SW4024s.

The reasons we decided to go this route had to do with the high cost and 
lack of efficiency of industrial 24 volt battery chargers. The cost of a 
charger that would work came to $3804.00   The efficiency figures were hard 
to understand, but the bottom line was that for the AC amps going in, it 
would produce far fewer DC amps going to the batteries than the SW4024.

We also investigated using 5 24 volt  IOTA chargers in parallel.  There 
were problems with doing that, in that some of the chargers might tend to 
shut down or produce very little power.  After talking with David Light 
from Iota, I am anxious to give the chargers a try on other 
applications.  They sound similar to the Todd, but probably much more 
reliable.

I will post to the list the results of the three inverter, three phase 
setup after completion.

Drake

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