Discussion :: Power Electronics
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A 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if
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A.
load torque is constant
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B.
load torque increases with increase in speed
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C.
load torque decreases with increase in speed
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D.
either (a) or (b)
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Answer : Option B
Explanation :
If load torque is constant, the change in speed is very small.
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