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Power Systems

Power Systems
Ferranti effect occurs under

 any of the above
 half load
 no load
 full load

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Power Systems
Length of the cable is doubled, its capacitance C will be

 unchanged.
 one-fourth.
 one-half.
 doubled.

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Power Systems
The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix?

 90
 10
 1000
 9000

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Power Systems
One atomic mass unit is equivalent to

  931.4 MeV.
 180.5 MeV.
 120.4 MeV.
 251.2 MeV.

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Power Systems
Communications lines are treated as

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

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Power Systems
Isolator in sub station is open under ------------- condition?

 no load
 short circuit
 full load
 any of the above

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