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QUESTION 2.4 A 12 kV, 50 miles, single-phase line operating at 50 Hz consists of two 300 MCM multi- strand copper conductors with 4 ft spacing between conductor centers. Determine the following: (a) line-to-line capacitance, $C_{ab}$ (b) line-to-line admittance, $Y_{ab}$ (c) line charging, $I_{chg}$ (d) $Q_C$, the total reactive power supplied by the line capacitance State: (e) 2 advantages of line charging (f) 2 disadvantages of line charging Useful Conversion Ratios Selected Wire Sizes 1 mile = 1.609 km AWG mm$^2$ 1 in = 25.4 mm 4/0 120 1 m = 39.37 in 300MCM 150 350MCM 185 500MCM 240

          QUESTION 2.4
A 12 kV, 50 miles, single-phase line operating at 50 Hz consists of two 300 MCM multi-
strand copper conductors with 4 ft spacing between conductor centers.
Determine the following:
(a) line-to-line capacitance, $C_{ab}$
(b) line-to-line admittance, $Y_{ab}$
(c) line charging, $I_{chg}$
(d) $Q_C$, the total reactive power supplied by the line capacitance
State:
(e) 2 advantages of line charging
(f) 2 disadvantages of line charging
Useful Conversion Ratios
Selected Wire Sizes
1 mile = 1.609 km
AWG
mm$^2$
1 in = 25.4 mm
4/0
120
1 m = 39.37 in
300MCM
150
350MCM
185
500MCM
240

Show more…

QUESTION 2.4
A 12 kV, 50 miles, single-phase line operating at 50 Hz consists of two 300 MCM multi-
strand copper conductors with 4 ft spacing between conductor centers.
Determine the following:
(a) line-to-line capacitance, Cab
(b) line-to-line admittance, Yab
(c) line charging, Ichg
(d) QC, the total reactive power supplied by the line capacitance
State:
(e) 2 advantages of line charging
(f) 2 disadvantages of line charging
Useful Conversion Ratios
Selected Wire Sizes
1 mile = 1.609 km
AWG
mm^2
1 in = 25.4 mm
4/0
120
1 m = 39.37 in
300MCM
150
350MCM
185
500MCM
240

Added by Vicki W.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Adi S

08/27/2023

Step 1

GMR = sqrt((d/2) * (d/2 + spacing)) where d is the diameter of the conductor and spacing is the distance between conductor centers. Given that the diameter of the 300 MCM conductor is 150 mm (0.15 m) and the spacing is 4 ft (1.2192 m), we can calculate the GMR. Show more…

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QUESTION 2.4 A 12 kV, 50 miles, single-phase line operating at 50 Hz consists of two 300 MCM multi-strand copper conductors with 4 ft spacing between conductor centers. Determine the following: (a) line-to-line capacitance, Cab (b) line-to-line admittance, Yab (c) line charging, Ichg (d) Qc, the total reactive power supplied by the line capacitance State: (e) 2 advantages of line charging (f) 2 disadvantages of line charging Useful Conversion Ratios 1 mile = 1.609 km 1 in = 25.4 mm 1 m = 39.37 in Selected Wire Sizes AWG mm2 4/0 120 300 MCM 150 350 MCM 185 500 MCM 240

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