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Power Systems

Power Systems
A CT is connected in ___________________ with the line.

  across.
  both A and B.
  series.
  not connected.

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Power Systems
A generating station which has a high investment cost and low operating cost is usually operated as a

 Peak load station.
 Minimum load station.
 None of above.
 Base load station.

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Power Systems
The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is

 j3 pu
 j9 pu
 j6 pu
 j1 pu

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Power Systems
If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be

 350 Amp.
 300 Amp.
  250 Amp.
 200 Amp.

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Power Systems
The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° â„§. The sending end voltage is 400 kV. The receiving end voltage under no load condition is

 600 kV
 350 kV
 400 kV
 500 kV

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Power Systems
Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no

None of these
 shunt admittance
 mutual coupling
 both 1 and 2

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