SSC JE Electrical Engineering 26 Sep 2019 Shift 1 Paper

Question : 136 of 200

Marks: +1, -0

Find the frequency of rotor induced EMF of a 3-phase, 440V, 50Hz induction motor having slip of 10%.

Solution:

V = 440v
f = 50Hz

S =10/100 = 0.1

Rotor frequency = slip × frequency
= 0.1 × 50 = 5Hz

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