A salient pole synchronous motor continues running even if its excitation current is reduced to zero. This is due to
A. rotating magnetic field of stator.
B. rotating magnetic field of rotor.
C. magnetization of rotor salient poles by stator magnetic field.
D. interlocking action between stator and rotor rotating magnetic fields.
Answer:C
A salient pole synchronous motor continues running even if its excitation current is reduced to zero. This is due to
A. rotating magnetic field of stator. B. rotating magnetic field of rotor. C. magnetization of rotor salient poles by stator magnetic field. D. interlocking action between stator and rotor rotating magnetic fields.