why single phase induction motor are not self start?
for rotation of motor required following things required:-
- phase difference
- rotating magnetic field
- torque
but in single phase induction motor :-
- phase difference - zero
- rotating magnetic field - alternating magnetic field
- torque - zero
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so when we used the capacitor in single phase motor in series with starting winding it produce /make phase difference of 90 degree.that why it produce torque and motor start running.
Good sir
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