Inrush Current on 225 kW Inverter [RE-wrenches]

William Korthof wkorthof at earthlink.net
Tue Mar 2 19:55:20 PST 2004


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Bigger breaker. Or in our case, the over current for the solar circuit
was the fuses in a 400 A disconnect switch. Time delay fuses have
been fine.

/wk


At 05:38 PM 3/1/2004, you wrote:
>Bill,
>There is a Steven Engineering night-time switch on this system. Maybe
>someone has experienced this same problem and has a solution.
>Joel
>----- Original Message -----
>From: "Bill Brooks" <billb at endecon.com>
>To: <RE-wrenches at topica.com>
>Sent: Saturday, February 28, 2004 12:11 PM
>Subject: RE: Inrush Current on 225 kW Inverter [RE-wrenches]
>
>
> > Joel,
> >
> > I believe the package that Steven Engineering developed addresses this
> > issue.
> >
> > Bill.
> >
> > -----Original Message-----
> > From: Joel Davidson [mailto:joeldavidson at earthlink.net]
> > Sent: Saturday, February 28, 2004 9:09 AM
> > To: RE-wrenches at topica.com
> > Subject: Inrush Current on 225 kW Inverter [RE-wrenches]
> >
> >
> >
> > We have PV system with a Xantrex 225 kW inverter and night-time switch.
>When
> > the system wakes up in the morning, the 340A, 480V load inrush current
> > causes the service panel circuit breaker to trip. The breaker is new and
>had
> > no previous problems. All connections are tight. Has anyone come up with a
> > capacitor or choke or other solution to "soft-start" high inrush current?
> > [Non-text portions of this message have been removed]
> >
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