A 400 V Shunt machine runs at 1300 rev/min. if the shunt field resistance is 30 Ω, the armature resistance is 0.25 Ω, and iron, friction, and windage losses amount to 1.2 kW, determine the overall efficiency of (a) as a motor consuming 80 A (b) as a generator generates 70 A.

A 400 V Shunt machine runs at 1300 rev/min. if the shunt field resistance is 30 Ω, the armature resistance is 0.25 Ω, and iron, friction, and windage losses amount to 1.2 kW, determine the overall efficiency of (a) as a motor consuming 80 A (b) as a generator generates 70 A.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

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DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

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