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

jay peltz jay at asis.com
Fri May 25 22:02:33 PDT 2001


Hi Drake,

I wonder what could be the problem with more than that in parallel?  Battery
voltage is battery voltage no?

Jay

Drake Chamberlin - Electrical Energy wrote:

> Hi Jay,
>
> I was told that two in parallel would not be a problem.  They used to have
> a system to balance multiple chargers in parallel, but their was not enough
> demand.
>
> Thanks,
>
> Drake
>
> At 12:24 PM 05/24/2001 -0700, you wrote:
> >HI Drake,
> >
> >I have used 2 of the iota 45 amps units in parrallel.  They work fine.  You
> >might have them tell you how to adjust them in the field( I don't yet know how
> >to adjust the new ones) so you end up with as little idle as possible.
> >
> >jay
> >
> >Peltz Power
> >
> >Drake Chamberlin - Electrical Energy wrote:
> >
> > > 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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