1. A 60-Hz 138- kV (phase to phase) three phase transmission line is 225 miles long...
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1. A 60-Hz 138- kV (phase to phase) three phase transmission line is 225 miles long has the following per unit length distributed line parameters. Resistance: r = 0.18 ohm/mile Inductance: 1 = 2.1 mH/mile Capacitance: c = 0.08 µF/mile Conductance: g = 0.0 Siemens/mile 1 mile is 1852 meters = 1.852 km The transmission line delivers 40 MW at 132 kV with 95% power factor lagging. a) Calculate the propagation constant y, and the characteristic impedance Z. of the line. (5p) b) Find A, B, C, D parameters of transmission matrix in the two-port representation. (10p) c) Find the sending-end voltage and current. (15p) 1. A 60-Hz 138- kV (phase to phase) three phase transmission line is 225 miles long has the following per unit length distributed line parameters. Resistance: r = 0.18 ohm/mile Inductance: 1 = 2.1 mH/mile Capacitance: c = 0.08 µF/mile Conductance: g = 0.0 Siemens/mile 1 mile is 1852 meters = 1.852 km The transmission line delivers 40 MW at 132 kV with 95% power factor lagging. a) Calculate the propagation constant y, and the characteristic impedance Z. of the line. (5p) b) Find A, B, C, D parameters of transmission matrix in the two-port representation. (10p) c) Find the sending-end voltage and current. (15p)
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Managerial Accounting Tools for business decision making
ISBN: 978-1118096895
6th Edition
Authors: Jerry J. Weygandt, Paul D. Kimmel, Donald E. Kieso
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