Power Systems
Which of the following buses is/are not PV buses?

 fixed shunt capacitor buses
 both 1 and 2
 voltage control buses
 reactive power support buses

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Power Systems
The VSWR of transmission line is

 Directly proportional to voltage minimum and inversely proportional to voltage maximum.
 Directly proportional to characteristic impedance and inversely to load impedance.
 Proportional to load and characteristic impedance.
  Directly proportional to load impedance and inversely to characteristic impedance.

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