SSC JE Electrical Engineering 2012 Paper

Question : 176 of 200

Marks: +1, -0

If the starting torque of a 3 phase induction motor is

T_\st

for DOL starting, that for star-delta starting of the same motor is

Solution:

(\Torque)_\DUL =(\Torque)/3 \Star-\delta ={TST}/3

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