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Difference between induction motor and synchronous motor?
i Think Synchronous motors operate at synchronous speed
(RPM=120f/p) while induction motors operate at less than
synchronous speed (RPM=120f/p – slip). Slip is nearly zero
at zero load torque and increases as load torque increases
am a right pls guide & send Other Comments
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Answer Posted / arun
THERE R MANY DIFFERENCE IN SYNCHRONOUS AND INDUCTION M/C
1)IND M/C IS SELF STARTING E.G.3 PH INDUTION MOTOR
BUT SYNCHRONOUS M/C NOT.
2)SYNCHRONOUS M/C RUNS ON SYNCHRONOUS SPEED WHILE IND. M/C LESS THAN SYN SPEED.
3)SYNCHRONOUS M/C CAN WORK ON LEADING AND LAGGING BOTH BUT INDUTION M/C ALWASY RUNS ON LAGGING PF.
4)EFFICINCY AND COST BOTH OF SYNCHRONOUS M/C IS MORE THAN INDUCTION M/C OF SAME RATING.
5)INDUCTION M/C IS SINGLY EXCITED BUT SYCHRONOUS M/C (ONLY MOTOR NOT GENERATOR) IS DOUBLY EXCITED .
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