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An eight-pole, 24 KW, 100 V, DC machine has a duplex LAP-wound armature which has 64 coils with 10 turns per coil. Its rated speed is 3000 RPM. Assume a dead zone of 4 coils that are always beyond poles faces. Find the constant K and the flux per pole to produce 80 Volts at no-load conditions Select one: a. K = 59.5 and flux = 1.27 mWb/pole b. K = 95.5 and flux = 2.67 mWb / pole c. None d. K = 91.5 and flux = 0.267 Wb / pole

An eight-pole, 24 KW, 100 V, DC machine has a duplex LAP-wound armature which has 64 coils with 10 turns per coil. Its rated speed is 3000 RPM. Assume a dead zone of 4 coils that are always beyond poles faces. Find the constant K and the flux per pole to produce 80 Volts at no-load conditions Select one: a. K = 59.5 and flux = 1.27 mWb/pole b. K = 95.5 and flux = 2.67 mWb / pole c. None d. K = 91.5 and flux = 0.267 Wb / pole

Introductory Circuit Analysis (13th Edition)
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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An eight-pole, 24 KW, 100 V, DC machine has a duplex LAP-wound armature which has 64 coils with 10 turns per coil. Its rated speed is 3000 RPM. Assume a dead zone of 4 coils that are always beyond poles faces. Find the constant K and the flux per pole to produce 80 Volts at no-load conditions Select one: a. K = 59.5 and flux = 1.27 mWb/pole b. K = 95.5 and flux = 2.67 mWb / pole c. None d. K = 91.5 and flux = 0.267 Wb / pole
An eight-pole, 24 KW, 100 V, DC machine has a duplex LAP-wound armature which has 64 coils with 10 turns per coil. Its rated speed is 3000 RPM. Assume a dead zone of 4 coils that are always beyond poles faces. Find the constant K and the flux per pole to produce 80 Volts at no-load conditions
Transcribed Image Text:An eight-pole, 24 KW, 100 V, DC machine has a duplex LAP-wound armature which has 64 coils with 10 turns per coil. Its rated speed is 3000 RPM. Assume a dead zone of 4 coils that are always beyond poles faces. Find the constant K and the flux per pole to produce 80 Volts at no-load conditions
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