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Power Systems

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

 0.75
 0.4
 0.5
 0.25

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Power Systems
Resistance switching in normally employed in

  air blast circuit breaker.
 bulk oil breakers.
 all breakers.
 minimum oil breakers.

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Power Systems
Bundled conductors are used for EHV transmission lines primarily for reducing the

 copper loss
 voltage drop across the line
 corona loss
 surge impedance of the line

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Power Systems
The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is

 number of iterations are less
 reduced memory requirements in storing the Jacobian elements
All of these
 accuracy is more

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Power Systems
Which of the following transmission line is most practically used in load flow analysis?

 nether 1 nor 2
 either 1 or 2
 Nominal ∏
 Nominal T

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Power Systems
In which of the following configuration power transferability is higher?

 triangular configuration
 same in both configuration
 horizontal configuration
None of these

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