Please answer question number 1 thank you 1. A long shunt compound generator has the following parameters: R, = 0.1 0, Rse = 0.05 Q and Rsh= 120 Q. This machine supplies power aggregate dc load of 10 kW. At this load the armaturegenerates 246 volts. Determine the terminal voltage2. A four-pole shunt motor has an armature with a total of 282 conductors. If each pole face has anarea of 25 in? and the flux density is 50,000 lines per sq. inch. Calculate the power developed bythe motor in horsepower for an armature current of 85 A and a speed of 1420 rpm. (Assume awave-connected armature winding).3. A compound motor develops a torque of 271 lb-ft when it is operating at 1200 rpm, under whichcondition its armature current is 215 amperes. What will be the developed horsepower of themotor if the load is increased so that it slows down to 1120 rpm in which case armature currentchanges to 238 amperes and the total flux increases by 8 percent?

given long shunt compound generator

1. A long shunt compound generator has the following parameters: R, = 0.1 0, Rse = 0.05 N and Rgi = 120 Q. This machine supplies power aggregate dc load of 10 kW. At this load the armature generates 246 volts. Determine the terminal voltage 2. A four-pole shunt motor has an armature with a total of 282 conductors. If each pole face has a

1. A long shunt compound generator has the following parameters: R, = 0.1 0, Rse = 0.05 N and Rgi = 120 Q. This machine supplies power aggregate dc load of 10 kW. At this load the armature generates 246 volts. Determine the terminal voltage 2. A four-pole shunt motor has an armature with a total of 282 conductors. If each pole face has a

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

Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors. The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.

Question

Please answer question number 1 thank you

1. A long shunt compound generator has the following parameters: R, = 0.1 0, Rse = 0.05 Q and Rsh
= 120 Q. This machine supplies power aggregate dc load of 10 kW. At this load the armature
generates 246 volts. Determine the terminal voltage
2. A four-pole shunt motor has an armature with a total of 282 conductors. If each pole face has an
area of 25 in? and the flux density is 50,000 lines per sq. inch. Calculate the power developed by
the motor in horsepower for an armature current of 85 A and a speed of 1420 rpm. (Assume a
wave-connected armature winding).
3. A compound motor develops a torque of 271 lb-ft when it is operating at 1200 rpm, under which
condition its armature current is 215 amperes. What will be the developed horsepower of the
motor if the load is increased so that it slows down to 1120 rpm in which case armature current
changes to 238 amperes and the total flux increases by 8 percent?

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