A 120 V shunt generator running at 850 rpm has its armature and shunt field resistance of 0.15 ohm and 50 ohm respectively. It supplies 200 lamps each rated at 60 W, 100 V. The friction and windage and core loss of the machine is 400 W. its armature copper * loss on full load and shunt field loss is 2156.7 W, 240 W O 2232.6 W, 240 W O 2232.6 W, 200 W O 2156.7 W, 200 W O

A 120 V shunt generator running at 850 rpm has its armature and shunt field resistance of 0.15 ohm and 50 ohm respectively. It supplies 200 lamps each rated at 60 W, 100 V. The friction and windage and core loss of the machine is 400 W. its armature copper * loss on full load and shunt field loss is 2156.7 W, 240 W O 2232.6 W, 240 W O 2232.6 W, 200 W O 2156.7 W, 200 W O

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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Similar questions

A direct current shunt dynamo continuously supplies an ohmic load of 50 Ohm at terminal voltage Vt= 1000 V. The armature winding resistance is 5 Ohm and the shunt pole winding resistance is 200 Ohm. The sum of mechanical losses is 400 W. What is the percent efficiency of the dynamo under these operating conditions? a) 70 b) 74 c) 87 d) 78 e) 85
When the DC machine is running under saturation condition, then flux per pole decreases due to armature reaction. Select one: O True O False
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An eight-pole, 24 KW, 124 V, DC machine has a duplex LAP-wound armature which has 72 coils with 6 turns per coil. Its rated speed is 3000 RPM. Ass ume no dead zone Find the constant K and the flux per poleto produce 80 Volts at no-load conditions Select one: O a. None O b. K = 68.86 and flux = 3.33 mwb/pole O c. K = 68.755 and flux = 3.7 mWb/ pole O d. K = 95.5 and flux = 3.7 mWb/ pole
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