A three-phase rural power line, with ACSR #2 conductors, 8 miles in length, supplies a balances three- phase load of 50 A per phase. The load is located at the end of the line and has a power factor of 0.8 lagging. The line impedance 1.41 +j0.8266 ohms/mile. The phase-to-phase voltage is maintained at 24.94 kV with regulation equipment. Note that lagging power factor means the load current lags the load voltage. 1) Determine percent voltage drop along the line considering the exact expressions based on the sending end voltage 2) Determine percent voltage drop along the line only considering the in-phase component of the voltage drop 3) The angle between the send and receiving end. Repeat 1 and 2 above using a line with ACSR 336 MCM conductor (parameters given below) R and X for the ACSR 336 MCM0.306 and 0.638 ohms/mi Buss 1410/mi jo.8266 0/mi Busr Load 8 Miles 50 A/phase 0.8 PF Lagging Vs VR 36.87°

A three-phase rural power line, with ACSR #2 conductors, 8 miles in length, supplies a balances three- phase load of 50 A per phase. The load is located at the end of the line and has a power factor of 0.8 lagging. The line impedance 1.41 +j0.8266 ohms/mile. The phase-to-phase voltage is maintained at 24.94 kV with regulation equipment. Note that lagging power factor means the load current lags the load voltage. 1) Determine percent voltage drop along the line considering the exact expressions based on the sending end voltage 2) Determine percent voltage drop along the line only considering the in-phase component of the voltage drop 3) The angle between the send and receiving end. Repeat 1 and 2 above using a line with ACSR 336 MCM conductor (parameters given below) R and X for the ACSR 336 MCM0.306 and 0.638 ohms/mi Buss 1410/mi jo.8266 0/mi Busr Load 8 Miles 50 A/phase 0.8 PF Lagging Vs VR 36.87°

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 fault current level of a circuit breaker used in a transmission line with phase voltage 2.2 kV and breaking capacity 60 MVA is ......................kA. Complete the answer.
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