Ken (not on list) said:

> Russell,
>
> Solar panel power optimisers that work by dithering the current, 
> measuring
> the voltage, and moving the operating point in the direction of 
> maximum
> power can be very effective  - especially those that use various 
> forms of
> modelling algorithms to learn the characteristics of the panel.
>
> Unfortunately many of the algorithms and especially the obvious ones 
> are the
> subject (of in my opinion dubious) patents.  That's not a problem 
> for
> personal "playing" but is an issue for anyone contemplating a 
> commecial
> product.

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