engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Three Phase Induction Motor Induction Motor Torque
A feeder having cross-section area of each conductor A = 8.117 mm2 and resistivity 0.02 Ω m/mm2 fed a 40 KW, 3 ϕ induction motor from 400 V, 50 Hz source. The standstill impedance of induction motor is (1.2 + j3) Ω per phase. Assume that the starting torque shall not be reduced by more than 30% due to voltage drop in feeder. If the machine is started through a star-delta starter then what is length of feeder (in m)
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