A three-phase transmission line is characterized by the following parameters: length of 400 km, voltage rating of 500 kV at a frequency of 60 Hz, and a nominal power of 900 MVA. The line exhibits a series impedance of 0.2 +2.5j 2/km and a shunt admittance of 4.4 x 10-6 S/km. When operating at full load, delivering 800 MW at unity power factor and a voltage of 475 kV, determine the following parameters using per unit quantities: Hint: use the nominal V and S as base values. a) Base Impedance. b) The Receiving end current in per unit. c) ABCD parameters in per unit. d) The sending end voltage in per unit. e) The sending end current in per unit. f) The theoretical maximum power at the receiving end in MW. g) Voltage Regulation. . 83
A three-phase transmission line is characterized by the following parameters: length of 400 km, voltage rating of 500 kV at a frequency of 60 Hz, and a nominal power of 900 MVA. The line exhibits a series impedance of 0.2 +2.5j 2/km and a shunt admittance of 4.4 x 10-6 S/km. When operating at full load, delivering 800 MW at unity power factor and a voltage of 475 kV, determine the following parameters using per unit quantities: Hint: use the nominal V and S as base values. a) Base Impedance. b) The Receiving end current in per unit. c) ABCD parameters in per unit. d) The sending end voltage in per unit. e) The sending end current in per unit. f) The theoretical maximum power at the receiving end in MW. g) Voltage Regulation. . 83
Introductory Circuit Analysis (13th Edition)
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Short Transmission Line
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Döndür
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a) Base Impedance.
b) The Receiving end current in per unit.
c) ABCD parameters in per unit.
d) The sending end voltage in per unit.
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Renk Renk
A three-phase transmission line is characterized by the following parameters: length of 400
km, voltage rating of 500 kV at a frequency of 60 Hz, and a nominal power of 900 MVA. The
line exhibits a series impedance of 0.2 +2.5j Q2/km and a shunt admittance of 4.4 x 10-6 S/km.
When operating at full load, delivering 800 MW at unity power factor and a voltage of 475
kV, determine the following parameters using per unit quantities:
Hint: use the nominal V and S as base values.
e) The sending end current in per unit.
f) The theoretical maximum power at the receiving end in MW.
g) Voltage Regulation..
Renkler
+
Renkleri Paint 3D
düzen
düzenle
BR
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Step 1: Given:
VIEWStep 2: Determination of base impedance and current
VIEWStep 3: Determination of per-unit line parameters
VIEWStep 4: Determination of per-unit of ABCD parameters
VIEWStep 5: Determination of per-unit sending end parameters
VIEWStep 6: Determination of voltage regulation
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