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Q2. Consider the single-phase transformer circuit shown below. Transformer ratings and reactances are: Transformer A : 200 kVA, 250 / 750 V, X= 0.10 p.u. Transformer B : 100 kVA , 900 / 300 V , X= 0.15 p.u. The transmission line can be represented as a series impedance Zine = 0.4 + j 0.6 Q. Choose a base of 200 kVA, 250 V in the voltage source (Vs ) circuit. (a) Draw the impedance diagram for this circuit, with all impedances in per unit. (b) Find the load voltage in per unit and in volts when the source voltage is V=120° pu. (c) Find the transmission line current (IL) in amperes. transmission line A (Z-0.4 + j0.6 N) "line B Z,=0.5 + j0.2 C Lee ll Leec ll

Q2. Consider the single-phase transformer circuit shown below. Transformer ratings and reactances are: Transformer A : 200 kVA, 250 / 750 V, X= 0.10 p.u. Transformer B : 100 kVA , 900 / 300 V , X= 0.15 p.u. The transmission line can be represented as a series impedance Zine = 0.4 + j 0.6 Q. Choose a base of 200 kVA, 250 V in the voltage source (Vs ) circuit. (a) Draw the impedance diagram for this circuit, with all impedances in per unit. (b) Find the load voltage in per unit and in volts when the source voltage is V=120° pu. (c) Find the transmission line current (IL) in amperes. transmission line A (Z-0.4 + j0.6 N) "line B Z,=0.5 + j0.2 C Lee ll Leec ll

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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Q2. Consider the single-phase transformer circuit shown below. Transformer ratings and reactances are: Transformer A Transformer B : 200 kVA, 250 / 750 V , X= 0.10 p.u. : 100 kVA , 900 / 300 V , X= 0.15 p.u. The transmission line can be represented as a series impedance Zine = 0.4 + j 0.6 Q. Choose a base of 200 kVA, 250 V in the voltage source ( Vs ) circuit. (a) Draw the impedance diagram for this circuit, with all impedances in per unit. (b) Find the load voltage in per unit and in volts when the source voltage is V,=1Z0° pu. (c) Find the transmission line current (IL) in amperes. transmission line (Z-0.4 + j0.6 N) Z-0.5 + j0.2 Q Lee Leeee
Transcribed Image Text:Q2. Consider the single-phase transformer circuit shown below. Transformer ratings and reactances are: Transformer A Transformer B : 200 kVA, 250 / 750 V , X= 0.10 p.u. : 100 kVA , 900 / 300 V , X= 0.15 p.u. The transmission line can be represented as a series impedance Zine = 0.4 + j 0.6 Q. Choose a base of 200 kVA, 250 V in the voltage source ( Vs ) circuit. (a) Draw the impedance diagram for this circuit, with all impedances in per unit. (b) Find the load voltage in per unit and in volts when the source voltage is V,=1Z0° pu. (c) Find the transmission line current (IL) in amperes. transmission line (Z-0.4 + j0.6 N) Z-0.5 + j0.2 Q Lee Leeee
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