GATE EE 2016 Set 2 — Question 53
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Electrical Machines → Three-Phase Induction Machines → Starting & Speed Control
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Question
The starting line current of a 415 V, 3-phase, delta connected induction motor is 120 A, when the rated voltage is applied to its stator winding. The starting line current at a reduced voltage of 110 V, in ampere, is _________.
Correct answer
31 to 33
Solution
The starting current of an induction motor is directly proportional to the applied voltage .
Given:
V, A
VUsing the proportionality:
A.The starting line current at 110 V is approximately 31.81 A.
Given:
V, A
VUsing the proportionality:
A.The starting line current at 110 V is approximately 31.81 A.
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