engineering recuitment NHPC JE & THDC JE 2023 Mock Test Electrical Machines Three Phase Induction Motor Induction Motor Starting
A three phase, 6 pole 50 Hz induction motor takes 40 A at full load speed of 960 rpm and develops a torque of 100 N-m. The staring current at rated voltage is 200 A. The starting torque and starting current respectively if a star delta starter is used?
1
(100 /3) A, (200 /3) N-m
2
(100 /3) N-m, (200 /3) A
3
100 A, 200 N-m
4
100 N-m, 200 A