Basic Electrical and Electronics Engineering: Unit II: Electrical Machines
Advantages, Disadvantages of Three Phase Induction Motors
Three phase induction motors are extensively used for electric drives.
THREE
PHASE INDUCTION MOTORS
Three phase induction motors are extensively used for electric drives.
The main advantages are
(i)
High reliability
(ii)
Low cost
(iii)
High efficiency
(iv)
Less maintenance
(v)
Simple and extremely rugged
The
disadvantages are
i)
The speed is not constant, when load is varied
ii)
Low starting torque compared to DC shunt motor
iii)
Reduction in efficiency when speed is varied.
Basic Electrical and Electronics Engineering: Unit II: Electrical Machines : Tag: : - Advantages, Disadvantages of Three Phase Induction Motors
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