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From: jonk@netcom.com (Jonathan Dale Kirwan)
Subject: Re: MicroPower robots
Message-ID: <jonkCrHI1J.8FJ@netcom.com>
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References: <2tn8rq$bst@lastactionhero.rs.itd.umich.edu> <2tnnis$dsg@lastactionhero.rs.itd.umich.edu> <jonkCrHEoJ.K9J@netcom.com>
Date: Thu, 16 Jun 1994 09:51:19 GMT
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I wrote:
: select the best operating point, look for the maximum V*I.  Roughly, that 
: should be at the "knee" of the V-I curve.  This is when the current is 
: lightly loaded, often at a voltage about 75% of the no-load voltage.

Actually, that is "heavily" loaded.  The current and voltage are at 
"best" values.  Generally, the best voltage point stays fairly 
constant as the light levels change, but the current draw should track 
the light level.

jonk@netcom.com

