SB monitoring problems, was: Monitoring PV for public education [RE-wrenc

Kirk Herander kirk at vtsolar.com
Mon Sep 30 13:08:31 PDT 2002


If I'm reading you right,  the pump and Sunny Boy lines are shared, i.e.
"bidirectional" in similiar fashion to an SW inverter either taking from or
giving to the grid. You can install a single analog utility meter with a
detent, a mechanical device which allows the gears to turn in only one
direction. Then only the gross power sourced by the Sunny Boy into the house
/ pump/ grid will be measured.

Kirk

----- Original Message -----
From: "William Miller" <wrmiller at slonet.org>
To: <RE-wrenches at topica.com>
Sent: Monday, September 30, 2002 3:14 PM
Subject: Re: SB monitoring problems, was: Monitoring PV for public education
[RE-wrenc


> Matt:
>
> Its at least 200 feet.  A second KWH meter at the well still means a trip
> up the hill, and you know what happened to Jack!
>
> WM
>
>
> At 11:13 AM 9/30/02 -0700, you wrote:
> >William,
> >
> >Why not install a Watt hr. meter between the pump control and your
> >inter-connect? Then, at
> >least, you'd be able to subtract the pump consumption from the total.
False
> >parameter more than likely means that there is a different software
version
> >for English (USA) than the German site.
> >
> >Is it a long way to the house from the inter-connect?
> >
>
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