Answer / saravanan.p

In AC motor, The important factor is magnetic field between
stator and rotor. In DC, no flex will come. While the motor
energized by DC, the stator winding will act as a conductor
and produce the heat. Hence winding will get damage and it
will loose the insulation strength.

In rotor side, nothing will happen.

IF ANY MATERIAL AVAILABLE IN MARKET FOR MOTOR PROTECTION INSTEAD OF OLR & CONTACTOR ?

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