Dave Krall asked in 200629 MMDigest, "Is there a way to increase the
output voltage without rewinding the coils?" In the simple constant-
speed shunt-connected generator, the stator (field) flux density is
already close to saturation so increasing the field current won't
increase the voltage very much.
But you could consider a small DC-to-DC converter like these to boost
the voltage by 2 or 3 volts:
https://www.ebay.com/itm/233523867447
https://www.ebay.com/itm/402300098727
Robbie Rhodes
Etiwanda, California
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