(5Aseparatelyexcited DCmotorwhen fefroma200VSourcedrives a loadwhile running atapplied voltage1000 RPM. When theand field current arereduced by 50%, the motor800 RPM developing theruns atsame torque asbefore. Calculate the voltagedrop in thearmatureresistance.

Torque is directly proportional to field current and armature current.Back emf is directly…

A separately excited DC motor when from 200 a ✓ Source drives a load while running at 2000 RPM. When the applied voltage and field current are reduced by 50%, the motor runs at 800 RPM developing the before. Calculate the voltage drop in the same torque as armature resistance.

A separately excited DC motor when from 200 a ✓ Source drives a load while running at 2000 RPM. When the applied voltage and field current are reduced by 50%, the motor runs at 800 RPM developing the before. Calculate the voltage drop in the same torque as armature resistance.

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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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

(5
A
separately
excited DC
motor
when fe
from
a
200
V
Source
drives a load
while running at
applied voltage
1000 RPM. When the
and field current are
reduced by 50%, the motor
800 RPM developing the
runs at
same torque as
before. Calculate the voltage
drop in the
armature
resistance.

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