Trace Sell back modes [RE-wrenches]

[Travis Creswell, Ozark Solar]

I don't see how the size of the battery bank matters.  A battery less system
allows the array to run at max power voltage.  To me this means that you
actually 1000 watts out of your 1000 watt array.  For example 12 Astro Power
120's would be 1440 watts in a battery less systems while in a battery
system they would be more like 1130 watts (21.3 Amps x 53 volts) depending
on the battery voltage at the time.  I can see that the larger the battery
bank the more of a maintenance charge they would take but this could only be
minimal.

Travis Creswell
Ozark Solar
----------
>From: "Jeffrey Wolfe, Global Resources" <global at sover.net>
>To: "'RE-wrenches at topica.com'" <RE-wrenches at topica.com>
>Subject: RE: Trace Sell back modes [RE-wrenches]
>Date: Tue, Jul 11, 2000, 1:15 PM
>

>This has been the biggest reason that I have not increased my own battery 
>bank above 350 Ahrs and why I am trying to push customers into batteryless 
>net-metering. Even with the new MPPT charge controllers, we still are 
>estimating about a 15 - 20% gain in efficiency for a batteryless systems, 
>even compared to a system with a small battery bank.

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