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Power Systems

Power Systems
Which of the following is not base load power plant

  Diesel.
  Nuclear.
  Pump storage.
  Run water.

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Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 shunt capacitor
 medium transmission line
 long transmission line
 any of the above

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Power Systems
A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation?

 0.8 lag and 0.8 lead
 0.6 lag and 0.6 lead
 0.8 lag and 0.6 lead
 0.6 lag and 0.8 lead

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Power Systems
Mho relay is usually employed for protection of

 long transmission lines only
 short transmission lines only
 medium transmission lines only
 any line

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Power Systems
A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 34*34
 83*83
 33*33
 84*84

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Power Systems
If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is

 6 MJ/MVA
 10.5 MJ/MVA
 15 MJ/MVA
 2.5 MJ/MVA

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