The disadvantages of scherbius system used for speed controlling in 3 – McqOptions

MCQOPTIONS

1.	The disadvantages of scherbius system used for speed controlling in 3 phase induction motor is
A.	It cannot be used for slip ring induction motors
B.	It cannot be used for squirrel cage induction motors
C.	It can be used for large induction motors
D.	None of these
Answer» C. It can be used for large induction motors

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