A separately excited D.C. generator has an armature circuit resistance of 0.1 ohms. And the total brush-drop is 2 V. When running at 1000 r.p.m., it delivers a current of 100 A at 250 V to a load of constant resistance. If the generator speed drop to 700 r.p.m., with field- current unaltered, find the current delivered to load.
A separately excited D.C. generator has an armature circuit resistance of 0.1 ohms. And the total brush-drop is 2 V. When running at 1000 r.p.m., it delivers a current of 100 A at 250 V to a load of constant resistance. If the generator speed drop to 700 r.p.m., with field- current unaltered, find the current delivered to load.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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DC generators
Transcribed Image Text:A separately excited D.C. generator has an armature circuit resistance of 0.1 ohms. And
the total brush-drop is 2 V. When running at 1000 r.p.m., it delivers a current of 100 A at
250 V to a load of constant resistance. If the generator speed drop to 700 r.p.m., with field-
current unaltered, find the current delivered to load.
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