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A 3 phase system is defined as follows: The source transformer: 30 Y-Y conected 10000/3000V equivalent circuit impedances as referred to the low voltage side is Z, = 1.5+j1.80 per phase. Feeder Line: it is connected between the low voltage side of the source transformer and the high voltage side of the load transformer, where the impedance is Z=0.8+j1.20 per phase. Load transformer: 30 Y-Y connected 3000/500V. Equivalent impedance circuit impedance as referred to the low voltage side is Z 0.3+j0.4Q per phase. A three phase Y connected load with Z=8+j60 per phase is connected to the low voltage side of the load transformer which is supplied by 485VLL a) Draw the system schematically. b) Find the voltages and currents on primary and secondary side of the load and source transformer.

A 3 phase system is defined as follows: The source transformer: 30 Y-Y conected 10000/3000V equivalent circuit impedances as referred to the low voltage side is Z, = 1.5+j1.80 per phase. Feeder Line: it is connected between the low voltage side of the source transformer and the high voltage side of the load transformer, where the impedance is Z=0.8+j1.20 per phase. Load transformer: 30 Y-Y connected 3000/500V. Equivalent impedance circuit impedance as referred to the low voltage side is Z 0.3+j0.4Q per phase. A three phase Y connected load with Z=8+j60 per phase is connected to the low voltage side of the load transformer which is supplied by 485VLL a) Draw the system schematically. b) Find the voltages and currents on primary and secondary side of the load and source transformer.

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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A 3 phase system is defined as follows: The source transformer: 30 Y-Y conected 10000/3000V equivalent circuit impedances as referred to the low voltage side is Z, = 1.5+j1.8Q per phase. Feeder Line: it is connected between the low voltage side of the source transformer and the high voltage side of the load transformer, where the impedance is Z=0.8+j1.2Q per phase. Load transformer: 30 Y-Y connected 3000/500V. Equivalent impedance circuit impedance as referred to the low voltage side is Z=0.3+j0.4Q per phase. A three phase Y connected load with Z =8+ j6Q per phase is connected to the low voltage side of the load transformer which is supplied by 485VLL a) Draw the system schematically. b) Find the voltages and currents on primary and secondary side of the load and source transformer.
Transcribed Image Text:A 3 phase system is defined as follows: The source transformer: 30 Y-Y conected 10000/3000V equivalent circuit impedances as referred to the low voltage side is Z, = 1.5+j1.8Q per phase. Feeder Line: it is connected between the low voltage side of the source transformer and the high voltage side of the load transformer, where the impedance is Z=0.8+j1.2Q per phase. Load transformer: 30 Y-Y connected 3000/500V. Equivalent impedance circuit impedance as referred to the low voltage side is Z=0.3+j0.4Q per phase. A three phase Y connected load with Z =8+ j6Q per phase is connected to the low voltage side of the load transformer which is supplied by 485VLL a) Draw the system schematically. b) Find the voltages and currents on primary and secondary side of the load and source transformer.
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