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The starting current of the 600 V DC series motor is 10 times the rated current at full load, and the armature voltage is 200 V and the armature current is 100 A at the start. Prot (friction and ventilation, that is, all mechanical losses) loss in all operating conditions of the engine is 5% of the armature power. The armature current of the motor, which rotates at 1200 rpm at full load, is 6 A at half load. Find the starting resistance (Ryv) required to limit the starting current of the motor to 2 times the full load (rated) current, the zit-EMF at full load (Ec-full load), and the net output torque at half load (To-half load). ryv = Ec-fullload= To-halfload =

The starting current of the 600 V DC series motor is 10 times the rated current at full load, and the armature voltage is 200 V and the armature current is 100 A at the start. Prot (friction and ventilation, that is, all mechanical losses) loss in all operating conditions of the engine is 5% of the armature power. The armature current of the motor, which rotates at 1200 rpm at full load, is 6 A at half load. Find the starting resistance (Ryv) required to limit the starting current of the motor to 2 times the full load (rated) current, the zit-EMF at full load (Ec-full load), and the net output torque at half load (To-half load). ryv = Ec-fullload= To-halfload =

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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The starting current of the 600 V DC series motor is 10 times the rated current at full load, and the armature voltage is 200 V and the armature current is 100 A at the start. Prot (friction and ventilation, that is, all mechanical losses) loss in all operating conditions of the engine is 5% of the armature power.
The armature current of the motor, which rotates at 1200 rpm at full load, is 6 A at half load. Find the starting resistance (Ryv) required to limit the starting current of the motor to 2 times the full load (rated) current, the zit-EMF at full load (Ec-full load), and the net output torque at half load (To-half load).

ryv =
Ec-fullload=
To-halfload =

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