Sharp modules [RE-wrenches]

[Bill Brooks]

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Kurt,

I can't speak for Jay, but 24-Volts makes no sense if you have an inverter
much over 2kVA. DC currents on the battery side are just too much. 24-Volts
was popular in the old days, and was fine for small off-grid systems, but go
to 48-Volts as quickly as possible--better conversion efficiency on the
MX-60, but also better overall efficiency of inverters and batteries and
wiring on the dc side.

Bill.


-----Original Message-----
From: Kurt Nelson [mailto:sunwise at cheqnet.net] 
Sent: Thursday, March 03, 2005 9:07 AM
To: RE-wrenches at topica.com
Subject: RE: Sharp modules [RE-wrenches]

Jay Wrote:

That way I can do 3  x 24v panels in series with the MX 60 ( 48v battery
only though).

Hi Jay -- You wouldn't use it on a 24 volt system due to lower efficiency in
the larger conversion, or is there another limiting factor?

Kurt Nelson
SOLutions

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