Example 2.21: A d.c. series motor runs at 1000 r.p.m when taking a current of 10 A at 200 polts, with both field coils in series. Its armature resistance is 0.01 ohm and resistance of cach field coil is 0.02 ohm. Calculate the speed of the motor, if the field coils were conected in parallel with each other, the load tarque being constant. Assume magnetic field to be unsaturated.

Example 2.21: A d.c. series motor runs at 1000 r.p.m when taking a current of 10 A at 200 polts, with both field coils in series. Its armature resistance is 0.01 ohm and resistance of cach field coil is 0.02 ohm. Calculate the speed of the motor, if the field coils were conected in parallel with each other, the load tarque being constant. Assume magnetic field to be unsaturated.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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