Question 4.1: A 220 V, 50 kW dc shunt generator was run as a motor on no l...

Basic Electrical and Electronics Engineering
Basic Electrical and Electronics Engineering-II
Basic Electrical and Electronics Engineering

A 220 V, 50 kW dc shunt generator was run as a motor on no load at rated speed. The current drawn from the line was 8 A and the shunt field current was 2 A. The armature resistance of the machine is 0.1 Ω. Calculate the efficiency of the generator at full load.

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