The counter e.m.f. of a d.c. motor often exceeds the supply voltage aids the applied voltage helps in energy conversion regulates its armature voltage In a d.c. motor, the mechanical output power actually comes from field system air-gap flux back e.m.f. electrical input power

The counter e.m.f. of a d.c. motor often exceeds the supply voltage aids the applied voltage helps in energy conversion regulates its armature voltage In a d.c. motor, the mechanical output power actually comes from field system air-gap flux back e.m.f. electrical input power

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.

Question

The counter e.m.f. of a d.c.
motor
often exceeds the supply
voltage
aids the applied voltage
helps in energy conversion
regulates its armature voltage
In a d.c. motor, the mechanical
output power actually comes
from
field system
air-gap flux
back e.m.f.
electrical input power

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