Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Complete the wiring diagrams as per Worksheets 6-A and 6-B then solve for "A" through "K" for the DC motor on Worksheets 6-A and 6-B when it is running at capacity and its specifications are as follows:
Rated input = 125 volts, 16 amps
Armature Resistance = 0.3 ohms(Ω)
Shunt Field Resistance = 50 ohms (Ω)
Series Field Resistance 0.6 ohms (Ω)
Rheostat Resistance = 12.5 ohms (Ω)
A) Series field current (I-series)
a) 2.3 A b) 13.69 A c) 16 A d) 18.3 A
B) Shunt field current (I-shunt)
a) 2.3 A b) 13.69 A c) 16 A d) 18.3 A
C) Armature current (I-arm)
a) 2.3 A b) 13.69 A c) 16 A d) 18.3 A
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- 5. Calculate the flux per pole required on full-load for a 50 kW, 400 V, 8-pole, 600 r.p.m. d.c. shunt generator with 256 conductors arranged in a lap-connected winding. The armature winding resistances is 0.1 Ω, the shunt field resistance is 200 Ω and there is a brush contact voltage drop of 1 V at each brush on full-load. Subject Electrical Machine 1arrow_forwardDraw the circuitarrow_forwardDraw a developed winding diagram for a dc machine with 4 poles,26 slots with 4 conductors per slot, duplex lap, double layerarrow_forward
- 1. The armature of a four pole dc shunt generator is lap wound and generates 216V when running at 600 rpm. Armature has 144slots, with 6 conductors per slot. If this armature is rewound, wave connected, find the emf generated with the same flux but running at 500 rpm. Eg = 360Varrow_forwardA dc shunt generator delivers 50 kw at 250 v, its armature has a 4-pole wave winding with a resistance of 0.01 ohm and its field resistance is 125 ohm. if the number of turns in the armature is 201 and the flux per pole is 0.02 wb, find the voltage generated and the speed of operation. *arrow_forward
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