EBK PRINCIPLES OF ELECTRIC CIRCUITS
10th Edition
ISBN: 9780134880068
Author: Buchla
Publisher: VST
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Find the mathematical expression for the points 1 and 2 for this pratical AM-DSB/SC modulator
Question Two
A generating station consisting of two generators, one of 20 MVA,
11 kV, 0.18 pu reactance with the unit transformer of 20 MVA, 11/132 kV,
0.08 pu reactance, another of 30 MVA, 11 kV, 0.18 pu reactance with the
transformer of 30 MVA, 11/132 kV, 0.12 pu reactance, transmits power over
double circuit 132-kV transmission line. Each line is having reactance of 120
ohms per phase. Determine the fault current supplied by the generators
to a three-phase solid fault on the 132-kV bus-bar at the receiving end.
Neglect pre-fault current and losses. Assume pre-fault generated voltages at
rated value.
4v+9v+8v=-3v+6v',-5v,
where vi and vo are the input and output voltage, respectively.
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