MPPT charge controller worksheet [RE-wrenches]

Kelly Larson solarwrench at asis.com
Tue Sep 12 09:09:42 PDT 2006


Wrenches,

I am looking to teach folks how to size for the MX-60 and other MPPT 
charge controllers including temperature effects.  I don’t see anything 
really solid in the MX-60 manual.  (I may not have the newest version).  
I have been surprised by the limitation temperature effects can have, 
making a particular module not compatible with the MX-60 at a particular 
battery voltage and distance.

Does anyone have a general MPPT charge controller equation or worksheet 
for sizing with the variety of modules we have available today, (and 
different ones tomorrow, Ug)?

Thank you in advance for sharing your experience and knowledge!
Kelly


Kelly Larson
BSEE
Ca Electrical Contractor #868189


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