Subject matter wherein the electric circuit connected to the field winding includes direct current power sources whose power is dependent upon the speed of the synchronous motor rotor.
(the electric circuit; connected; ) (the field; winding; ) (the electric circuit connected to the field; includes; direct current power sources whose power is dependent upon the speed of the synchronous motor rotor) (direct current power sources; is; dependent upon the speed of the synchronous motor rotor) (whose power; is dependent upon; the speed)
the electric circuit the field the electric circuit connected to the field direct current power sources whose power
connected winding includes is is dependent upon
direct current power sources whose power is dependent upon the speed of the synchronous motor rotor
dependent upon the speed of the synchronous motor rotor
the speed