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HiTech's avatar
HiTech
Explorer
Feb 23, 2013

Initial test manual home brew $8 MPPT controller

The $8 (plus shipping) laptop DC to DC Power Supply (i.e. the guts of a laptop power supply) quick initial results: Early morning sun it puts out a few hundredths of an amp into the battery but i...
Salvo's avatar
Salvo
Explorer
Feb 23, 2013
I may be missing something, but I don't see any "tracking". Exactly how are you organically controlling maximum PV power?

Sal

HiTech wrote:

The attempt is toward a manual MPPT controller where the person can actively seek the max power point. I have a watt meter in series which provides active feedback to the human, who is doing the tracking, the "T" in "MPPT". My PID loop is organic, not electronic.

Jim

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