To further control drag and output power over a range of flow velocities, the preferred turbine comprises a DC generator with {HEAD ~ voltage feedback controlling field excitation}, coupled to a voltage and {TAIL ~ current regulating circuit} that performs electrolysis of water to produce hydrogen fuel 
coupled to
To further control drag and output power over a range of flow velocities , the preferred turbine comprises a DC generator with { HEAD ~ voltage feedback controlling field excitation } , coupled to a voltage and { TAIL ~ current regulating circuit } that performs electrolysis of water to produce hydrogen fuel
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH