The power factor of the reluctance motor at full load is

The power factor of the reluctance motor at full load is

Right Answer is:

0.6 – 0.7

SOLUTION

  • A reluctance motor is a synchronous motor with a salient rotor structure, but no field windings or permanent magnet excitation at all.
  • The air-gap flux is provided entirely from the stator side a.c. armature windings which results in a low lagging power factor, typically 0.65 to 0.75 at full-load. Reluctance torque is developed as the salient-rotor poles align themselves with the synchronously rotating stator magnetic field.
  • Like wound-field and permanent magnet machines, the synchronous reluctance motor has no synchronous starting torque and runs up from standstill by induction motor action in an auxiliary starting winding.

 

Important Reluctance Motor MCQ
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