SW4024 and Pizzo Ignitors [RE-wrenches]

matthew tritt solarone at charter.net
Sun Jan 5 11:10:38 PST 2003


Hay Jay,

.  I suspect that the real reason that certain  loads, like microwaves, oven
bars and submersible pumps don't work properly with the small, low
torque-high RPM gensets has to do with their controls, and not the actual
load. Perhaps, that since these small generators will easily bog down and
develop a less than perfect wave form when attempting to start some loads,
the controls reject the power (or, in the case of some pumps, the engine
stalls out) Does anyone have experience with a small (under 6 kW) high speed
genset that will actually start and run sensitive loads? I've never seen
this type of problem with the Listers or other industrial grade sets that I
use.

Matt
----- Original Message -----



From: "Jay Peltz, Peltz Power" <jay at asis.com>
To: <RE-wrenches at topica.com>
Sent: Sunday, January 05, 2003 9:11 AM
Subject: Re: SW4024 and Pizzo Ignitors [RE-wrenches]


> Hi All,
>
> What I'm curious about is that "glow bars" only use a few hundred watts
max.
> I don't understand all this talk of overloading a 3500 watt genny?
>
> I think the problem is not in acutal power useage but in some other
problem
> such as wave form.  I've got a customer ( haven't been back out to the
site
> yet) who says their microwaves work fine on the inverter, but don't work
> with the genny ( SW4024) which is a 4.5kw onan in good shape.
>
> Remember its not the size, its how it works!!
>
> jay
> Peltz Power
> ----- Original Message -----
> From: "Jack West, Talkeetna AE" <jackwest at alaska.net>
> To: <RE-wrenches at topica.com>
> Sent: Sunday, January 05, 2003 12:38 AM
> Subject: Re: SW4024 and Pizzo Ignitors [RE-wrenches]
>
>
> > William et al,
> >
> > The ability of the 4024 to shed the charger load is approximately 1 amp
> > per cycle (16ms).  IE, at 30 amps charging it takes 1/2 second to
> > completely shed the charger.  Pretty slow.  I have seen this cause
> > problems several times with pumps coming on.  Generally setting the max
> > charge amps to a lower value will fix the nuisance problems.  I did not
> > personnally measure this value but rather got the number from tech
> > support at trace when I was having similar trouble with a customer's
> > system.
> >
> > Jack West
> >
> > William wrote:
> >
> > > I've never tested either feature.  Has anyone out there tested either
or
> > > both of these features?
> >
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