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QUESTION 4 a) Given the symmetrical components to be: Vo = 2020° V, V1= 7524° V, V2= 504-35° V i. Determine the unbalanced phase voltages V,, V, and V.. ii. Calculate the line-to-line voltages V, Vne and V. iii. Calculate the symmetrical components of these line-to-line voltages.

QUESTION 4 a) Given the symmetrical components to be: Vo = 2020° V, V1= 7524° V, V2= 504-35° V i. Determine the unbalanced phase voltages V,, V, and V.. ii. Calculate the line-to-line voltages V, Vne and V. iii. Calculate the symmetrical components of these line-to-line voltages.

Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter8: Symmetrical Components
Section: Chapter Questions
Problem 8.6P
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QUESTION 4 a) Given the symmetrical components to be: Vo = 2020° V, Vi=75Z24° V, V2= 502-35° V i. Determine the unbalanced phase voltages V, V, and V. ii. Calculate the line-to-line voltages V, Ve and V. ab iii. Calculate the symmetrical components of these line-to-line voltages. b) A balanced Y-connected generator with terminal voltage Vhc = 20020° volts is connected to balanced A-load whose impedance is 10440° /phase. The line impedance between the source and load is 0.5280° 2/phase. The generator neutral is grounded through an impedance of j5 2. The generator sequence impedances are given by Zo = j7 2, Z1 = j15 2 and Z2 j10 2. i. Draw the positive sequence networks for this system. ii. Determine line-to-line current at the generator terminal. Assume the system is balanced.
Transcribed Image Text:QUESTION 4 a) Given the symmetrical components to be: Vo = 2020° V, Vi=75Z24° V, V2= 502-35° V i. Determine the unbalanced phase voltages V, V, and V. ii. Calculate the line-to-line voltages V, Ve and V. ab iii. Calculate the symmetrical components of these line-to-line voltages. b) A balanced Y-connected generator with terminal voltage Vhc = 20020° volts is connected to balanced A-load whose impedance is 10440° /phase. The line impedance between the source and load is 0.5280° 2/phase. The generator neutral is grounded through an impedance of j5 2. The generator sequence impedances are given by Zo = j7 2, Z1 = j15 2 and Z2 j10 2. i. Draw the positive sequence networks for this system. ii. Determine line-to-line current at the generator terminal. Assume the system is balanced.
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