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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 P and V
 P and Q
 δ and Q
 V and δ

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Power Systems
Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load?

 0.098 pu
 0.98 pu
 1.098 pu
 1 pu

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Power Systems
The value of diversity factor is

 0
 1
 greater than 1
 less than 1

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Power Systems
Pump storage schemes are used to improve

 the load factor.
 the power factor.
  the plant capacity factor as well as the load factor of the power system.
 the diversity factor.

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° â„§. Find the no load receiving end voltage?

 600 kV
 400 kV
 320 kv
 500 kV

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Power Systems
A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency

  30.7 %.
  30.26 %.
 40.85 %.
 40 %.

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