A dc series motor drives a load a 30revs and takes a current of 10A when the supply voltage is 400V. If the total resistance of the motor is 20 and the iron, friction and windage losses amount to 300W, determine the efficiency of the motor ANSWER: % Blank 1

A dc series motor drives a load a 30revs and takes a current of 10A when the supply voltage is 400V. If the total resistance of the motor is 20 and the iron, friction and windage losses amount to 300W, determine the efficiency of the motor ANSWER: % Blank 1

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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Concept explainers

DC Generator

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

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A dc series motor drives a load a 30rev and takes a current of 10A when the supply voltage is 400V. If the total resistance of the
motor is 20 and the iron, friction and windage losses amount to 300W, determine the efficiency of the motor
ANSWER:
%
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