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Power Systems

Power Systems
In which of the following given faults, all the sequence currents are equal?

 LLL
 LLG
 LL
 LG

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Power Systems
Differential relays does not used for which of the following faults?

 both 1 and 2
 faults within a transformer
 faults within a generator
 through faults

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Power Systems
The conversion ratio of breeder reactor are

 none of above.
 1.
 less than 1.
  greater than 1.

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Power Systems
A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is

 28 Ω
 52 Ω
 40 Ω
 33 Ω

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Power Systems
Plant capacity factor value is

 less than 1
 greater than 1
 1
 0

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Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.5
 0.75
 0.4
 0.25

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