ETO ETO Exam papers 📅 Mar 2022

Exam Question

A 400 V, 4-pole, 50 Hz, 3-phase, 10 hp, star connected induction motor has a no load slip of 1% and full load slip of 4%. Find the following

(i) Synchronisation speed

(ii) No-load speed

(iii) Full load speed

(iv) Frequency of rotor current at full load

(v) Full-load torque (16)

Reference Answer

Given,
$V_L = 400V, P = 4 \space poles, 50Hz$
$P_o = 10HP = 735.5 \times 10$
$= 7355 watt$

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