For the transmission line of Problem 5.24, calculate the sending-end voltage, sending-end current, power, and power factor when the line is delivering 4500 MVA at 0.9 PF lagging at rated voltage, using the following:
A. Exact formulation.
B. Nominal π approximation.
C. Short-line approximation.
Problem 5.24
Assume that the 1100-kV line of Problems 5.8 and 5.19 is 400 km long and that the subconductor's resistance is 0.0435 ohms/km.
A. Calculate the exact ABCD parameters for the line.
B. Find the circuit elements of the equivalent n model for the line. Neglect earth effects.
Problems 5.19
Calculate the capacitance in farads per meter per phase neglecting earth effect for the IIOO-kV, bundle-conductor line of Problem 5.8. Assume the conductor diameter is 3.556 cm. Repeat including earth effects with h1 = 21.34 m.
Problem 5.8
Calculate the inductance in henries per meter per phase for the 1100-kV, bundle conductor line shown in Figure 5.27. Assume phase spacing D1 = 15.24 m, bundle separation S = 45.72 cm, and conductor diameter is 3.556 cm.
