QUESTION 2 [15 marks] Assume a long transmission line depicted on figure 2 is operated on no-load condition. If bc1 = bc2 91 92 and bc1 = 292, a. give expressions for sending end voltage and any six currents that could possibly flow in the network b. sketch a labelled phasor diagram to relate the condition of the line χ bc2 92 bc1 91 Vs figure 2 QUESTION 3 [15 marks] A 50Hz, overhead single-phase, short transmission line delivers 880 + j660 kVA at 33kV. Assume a total line impedance per phase of 18.03 < 56.30 and : a. sending end voltage b. sending end power and power factor angle c. transmission efficiency d. Compute the load impedance, line inductance and capacitance

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
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.8P: A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm...
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QUESTION 2
[15 marks]
Assume a long transmission line depicted on figure 2 is operated on no-load condition. If
bc1 = bc2 91 92 and bc1 = 292,
a. give expressions for sending end voltage and any six currents that could possibly
flow in the network
b. sketch a labelled phasor diagram to relate the condition of the line
χ
bc2
92
bc1
91
Vs
figure 2
QUESTION 3
[15 marks]
A 50Hz, overhead single-phase, short transmission line delivers 880 + j660 kVA at 33kV.
Assume a total line impedance per phase of 18.03 < 56.30 and :
a. sending end voltage
b. sending end power and power factor angle
c. transmission efficiency
d. Compute the load impedance, line inductance and capacitance
Transcribed Image Text:QUESTION 2 [15 marks] Assume a long transmission line depicted on figure 2 is operated on no-load condition. If bc1 = bc2 91 92 and bc1 = 292, a. give expressions for sending end voltage and any six currents that could possibly flow in the network b. sketch a labelled phasor diagram to relate the condition of the line χ bc2 92 bc1 91 Vs figure 2 QUESTION 3 [15 marks] A 50Hz, overhead single-phase, short transmission line delivers 880 + j660 kVA at 33kV. Assume a total line impedance per phase of 18.03 < 56.30 and : a. sending end voltage b. sending end power and power factor angle c. transmission efficiency d. Compute the load impedance, line inductance and capacitance
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