Somewhat off the subject but my memory banks seem to be telling me that regen is only possible with a direct drive motor. Backdriving an electric motor with a reduction gear is usually not recommended. Does this ring true? Thanks. Steve S.
--- In electricboats@yahoogroups.com, "aweekdaysailor" <aweekdaysailor@...> wrote:
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> Thinking about the case of a weak battery in a string (say 4x12)...
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> In the above scenario (and there is _always_ 1 weak battery in a string...) - isn't any 48+V charging source selectively charging the weak battery (more charge acceptance)?
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> Sailing around in good wind this weekend and getting 1-2amps regen pretty consistently according to my CycleAnalyst...it ain't much, but when I did have to motor up, it seemed that my voltage stayed higher, for longer, than this small about of charge would account for...which got me thinking....
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> Since the weak battery ultimately determines the effective voltage of the string (and hence your range) - is it possible that just looking at overall watts in isn't telling the whole story? Can we capitalize on that (BMS system, etc)?
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> -Keith
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