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Three equal resistors are connected in star configuration. The line voltage is 240V ac rms and the line current is 5 A (rms). The power is supplied by a delta connected generator. a) b) Draw the circuit. Calculate the voltage across each resistor. c) PAS = Rod mean SAs Calculate the current flowing in each resistor. d) The total power dissipated. e) squae Determine an equivalent star network. Delfa

Three equal resistors are connected in star configuration. The line voltage is 240V ac rms and the line current is 5 A (rms). The power is supplied by a delta connected generator. a) b) Draw the circuit. Calculate the voltage across each resistor. c) PAS = Rod mean SAs Calculate the current flowing in each resistor. d) The total power dissipated. e) squae Determine an equivalent star network. Delfa

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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Three equal resistors are connected in star configuration. The line voltage is 240V ac rms and the line current is 5 A (rms). The power is supplied by a delta connected generator. a) b) Draw the circuit. Calculate the voltage across each resistor. c) PAS = Rod mean SAs Calculate the current flowing in each resistor. d) The total power dissipated. e) squae Determine an equivalent star network. Delfa
Transcribed Image Text:Three equal resistors are connected in star configuration. The line voltage is 240V ac rms and the line current is 5 A (rms). The power is supplied by a delta connected generator. a) b) Draw the circuit. Calculate the voltage across each resistor. c) PAS = Rod mean SAs Calculate the current flowing in each resistor. d) The total power dissipated. e) squae Determine an equivalent star network. Delfa
Expert Solution
Step 1

a) can draw the above circuit as

Electrical Engineering homework question answer, step 1, image 1

b) Voltage across each resistor will be same as Phase voltage 

Vph=VL3=2403=138.56V

 

Step 2

c) Current through each resistor will be same as line current in star connection

IR=IL=Iph=5A 

d) Total power dissipation

P=3VLIL=3×240×5=2078.46W

 

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