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Power Systems

Power Systems
Transmission line parameters of the short transmission line are

 1,0,Y,1
 Z,0,Y,1
 1,Z,0,1
 1,Z,Y,1

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Power Systems
If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments?

 31.35 to 34.65 kV
 33 to 50 kV
 any voltage above 33 kV
 25 to 35 kV

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Power Systems
Critical disruptive voltage is a voltage at which

 both 1 and 2
 corona is visible with blue or violet colour
 corona is just initiated
 nether 1 nor 2

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 163 × 163
 165 × 165
 164 × 164
 162 × 162

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Power Systems
Rating of fuse wire is expressed in

 ÃŽÂ©.
  Mho.
  Ampere.
  Watts.

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Power Systems
Switchgear equipment include

  all of these.
  fuses.
  relays and CB.
  switches.

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