2- (a) A 6 pole, 2 circuit, wave-connected armature has 250 conductors and runs at 1200 r.p.m. The electromotive force generatéd on open-circuit is 600V. Find the useful flux per pole. (b) An 8-pole, lap-connected armature has 960 conductors, a flux of 40mwb per pole, and a speed of 400 rpm. Calculate the e.m.f. generated on open-circuit. (c) If the armature in (b) were wave-connected for 2 circuit, at what speed must it be driven to generate 400V. (d) A 4-pole generator has a flux of 40mwb per pole and a lab-connected armature with 740 conductors. Find the e.m.f. generated on open circuit at 1000 r.p.m. يتع دفعها لتوليد
2- (a) A 6 pole, 2 circuit, wave-connected armature has 250 conductors and runs at 1200 r.p.m. The electromotive force generatéd on open-circuit is 600V. Find the useful flux per pole. (b) An 8-pole, lap-connected armature has 960 conductors, a flux of 40mwb per pole, and a speed of 400 rpm. Calculate the e.m.f. generated on open-circuit. (c) If the armature in (b) were wave-connected for 2 circuit, at what speed must it be driven to generate 400V. (d) A 4-pole generator has a flux of 40mwb per pole and a lab-connected armature with 740 conductors. Find the e.m.f. generated on open circuit at 1000 r.p.m. يتع دفعها لتوليد
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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Transcribed Image Text:2-
(a) A 6 pole, 2 circuit, wave-connected armature has 250 conductors and runs at 1200
r.p.m. The electromotive force generatéd on open-circuit is 600V. Find the useful flux
per pole.
(b) An 8-pole, lap-connected armature has 960 conductors, a flux of 40mwb per pole, and a
speed of 400 rpm. Calculate the e.m.f. generated on open-circuit.
(c) If the armature in (b) were wave-connected for 2 circuit, at what speed must it be
driven to generate 400V.
(d) A 4-pole generator has a flux of 40mwb per pole and a lab-connected armature with
740 conductors. Find the e.m.f. generated on open circuit at 1000 r.p.m.
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