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A 35.2 HP, 250 V, 100 A, 1500 RPM, series DC motor with no armature reaction is considered in this problem. This motor has a series-field winding of 10 turns per pole. Its armature resistance in RA =0.05 2, and its series field resistance is Rs = 0.05 2. The magnetization curve at 1500 RPM is given by the following table: EA (V) 50 95 125 150 180 200 212 229 243 250 253 F 200 500 755 1000 1280 1500 2000 2500 3000 3500 4000 (Amp.turns) The motor is operating at rated voltage, armature current of 100 Amperes, and with rotational losses of 1500 Watt. Find the speed of the motor.Select one: a. Speed n = 938 RPM b. Speed = 1500 RPM c. None d. Speed n = 2400 RPM

A 35.2 HP, 250 V, 100 A, 1500 RPM, series DC motor with no armature reaction is considered in this problem. This motor has a series-field winding of 10 turns per pole. Its armature resistance in RA =0.05 2, and its series field resistance is Rs = 0.05 2. The magnetization curve at 1500 RPM is given by the following table: EA (V) 50 95 125 150 180 200 212 229 243 250 253 F 200 500 755 1000 1280 1500 2000 2500 3000 3500 4000 (Amp.turns) The motor is operating at rated voltage, armature current of 100 Amperes, and with rotational losses of 1500 Watt. Find the speed of the motor.Select one: a. Speed n = 938 RPM b. Speed = 1500 RPM c. None d. Speed n = 2400 RPM

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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A 35.2 HP, 250 V, 100 A, 1500 RPM, series DC motor with no armature reaction is considered in this problem. This motor has a series-field winding of 10 turns per pole. Its armature resistance in RA =0.05 2, and its series field resistance is Rs = 0.05 2. The magnetization curve at 1500 RPM is given by the following table: EA (V) 50 95 125 150 180 200 212 229 243 250 253 F 200 500 755 1000 1280 1500 2000 2500 3000 3500 4000 (Amp.turns) The motor is operating at rated voltage, armature current of 100 Amperes, and with rotational losses of 1500 Watt. Find the speed of the motor.Select one: a. Speed n = 938 RPM b. Speed = 1500 RPM c. None d. Speed n = 2400 RPM
A 35.2 HP, 250 V, 100 A, 1500 RPM, series DC motor with no armature reaction is considered in this problem. This motor has a series-field winding of 10 turns per pole. Its armature resistance in RA =0.05 2, and its series field resistance is Rs = 0.05 2. The magnetization curve at 1500 RPM is given by the following table: EA (V) 50 95 125 180 200 212 229 243 253 150 1000 1280 1500 2000 2500 3000 3500 4000 250 F 200 500 755 (Amp.turns) The motor is operatingat rated voltage, armature current of 100 Amperes, and with rotational losses of 1500 Watt. Find the speed of the motor.
Transcribed Image Text:A 35.2 HP, 250 V, 100 A, 1500 RPM, series DC motor with no armature reaction is considered in this problem. This motor has a series-field winding of 10 turns per pole. Its armature resistance in RA =0.05 2, and its series field resistance is Rs = 0.05 2. The magnetization curve at 1500 RPM is given by the following table: EA (V) 50 95 125 180 200 212 229 243 253 150 1000 1280 1500 2000 2500 3000 3500 4000 250 F 200 500 755 (Amp.turns) The motor is operatingat rated voltage, armature current of 100 Amperes, and with rotational losses of 1500 Watt. Find the speed of the motor.
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