inverter overload (was transformer inrush) [RE-wrenches]

Kirk Herander, VSE kirk at vtsolar.com
Tue Jan 6 14:43:38 PST 2004


Allan,

True, but I'm also concerned about less surge headroom should the inverter
already be loaded down by both fridges running at the same time and a pump
turns on.

Kirk

Vermont Solar Engineering
North American Board of Certified Energy Practitioners Certified Solar PV
InstallerT
Xantrex Certified Dealer Charter Member
Kirk Herander
PO Box 697
Burlington, VT. 05402
www.vermontsolar.com
www.backeastsolar.com
800.286.1252 - 802.863.1202
fax 802.863.7908

----- Original Message -----
From: "Allan Sindelar" <allan at positiveenergysolar.com>
To: <RE-wrenches at topica.com>
Sent: Tuesday, January 06, 2004 5:15 PM
Subject: Re: inverter overload (was transformer inrush) [RE-wrenches]


>
> ----- Original Message -----
> From: "Kirk Herander, VSE" <kirk at vtsolar.com>
> > 2) Use several current sensing relays to prioritize the pumps and
fridges.
> > For instance, if current is sensed on the septic pump circuit, the relay
> #1
> > will cut power to the well pump.
> > If current is sensed on fridge #1 circuit, relay #2 will cut power to to
> > fridge #2.
>
> Kirk,
> Normally fridges don't draw enough surge to warrant sequencing. I'd be
more
> concerned about the pumps. Start with the biggest surges as your dominant
> priority loads.
> Allan @+E
>
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