A separately excited DC motor delivers 10 HP at 1,000 rpm, while producing an induced armature voltage of 200 Volts. The m armature circuit is powered by a DC source V₁ = 220 V. The field windings are powered from a separate DC source VF = 100 V the total field resistance RF = 110 2. You may assume that the rotational losses of this motor are negligable. Calculate the mot overall efficiency in percent.

A separately excited DC motor delivers 10 HP at 1,000 rpm, while producing an induced armature voltage of 200 Volts. The m armature circuit is powered by a DC source V₁ = 220 V. The field windings are powered from a separate DC source VF = 100 V the total field resistance RF = 110 2. You may assume that the rotational losses of this motor are negligable. Calculate the mot overall efficiency in percent.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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