The relative speed between the magnetic fields of stator and rotor under steady state operation is zero for
A. a dc machine.
B. an induction machine.
C. a synchronous machine.
D. all the above machines. [A.M.I.E. Electrical Science Summer 1994]
Answer:D
The relative speed between the magnetic fields of stator and rotor under steady state operation is zero for
A. a dc machine. B. an induction machine. C. a synchronous machine. D. all the above machines. [A.M.I.E. Electrical Science Summer 1994]