The main disadvantage of Repulsion motor is
The main disadvantage of Repulsion motor is
Right Answer is:
All of the above
SOLUTION
The repulsion motor has excellent starting and running torque but can exhibit unstable speed characteristics. The disadvantages of repulsion motor include the following. Sparks will occur at brushes, the power factor is very less at less speed, the speed at no-load condition is extremely high & unsafe, brushes & commutator exhaust quickly due to heat generation & arcing at the assembly of the brush.