[RE-wrenches] Radian design limitation - am I missing something?

[Brian Teitelbaum]

MidNite Solar is working on a unit that they are calling the "Translator" that will allow the Classic controllers to communicate with other brands of system controllers like the MATE or the XW System Control Panel. I don't know how far along in the development process they are, but maybe boB can chime in to let us know.

Otherwise I agree with Ray that using a MidNite Classic 200 will allow you to use 4 modules in series. The max output amps on the 200 at 48VDC is 76A, so that limits you to about 4kW (76A x 52VDC = 3952A), but that will work fine with 16 of the 240W modules. You can of course exceed this, but you may see some clipping on clear cold days around noon.

Brian Teitelbaum
AEE Solar

From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Ray Walters
Sent: Monday, December 17, 2012 12:31 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Radian design limitation - am I missing something?

I second WIlliam's sentiment about having all equipment communicate together, but Outback just ain't there.  I know Midnite's stuff will communicate with the universal MODBUS language, and is not that silly proprietary stuff that Outback does.  I don't see any reason not to use Midnite Classic lites and go to 4  modules in series.  The customer will also appreciate the computer interface on MyMidnite, much more than suffering through the "MATE" screen.  Let the Outbacks sell independently, and I think for 2012, that's as good as it gets.
The idea of AC coupling as  others noted is also a decent option,  but when I last looked, it is much more expensive.
Charge controllers are much cheaper per watt than inverters for a 48 vdc battery.

Ray Walters


On 12/17/2012 12:15 PM, William Miller wrote:


Sure we'd all like to be able to purchase one system that does everything:  equipment that communicates between chassis and the outside world


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