It is possible for the invention to be embodied in an induction motor of a wound rotor type, or be combined with the switching of Y Δ {TAIL ~ connections} of {HEAD ~ the stator windings} in order to achieve the diversification of torque characteristics 
It is possible for the invention to be embodied in an induction motor of a wound rotor type , or be combined with the switching of Y Δ { TAIL ~ connections } of { HEAD ~ the stator windings } in order to achieve the diversification of torque characteristics
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH