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Power Systems

Power Systems
Surge impedance loading (SIL) is represented by

 Vph²/Zs
 Vl²*√(C/L)
 Vl²/Zs
 both 1 and 2

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Power Systems
The insulation of the modern EHV lines is designed based on

  the switch voltage.
 the lighting voltage.
 R × I.
 corona.

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Power Systems
A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line

 long transmission line
 any of the above
 short transmission line
 medium transmission line

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Power Systems
Surge impedance loading of a transmission line can be increased by

 increasing its voltage level
 addition of lumped capacitance in series
 addition of lumped inductance in parallel
 both 1 and 3

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Power Systems
Equal area criterion gives the information regarding

 absolute stability
 relative stability
 swing curves
 stability region

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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

 40 %.
  30.7 %.
  30.26 %.
 40.85 %.

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