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Power Systems

Power Systems
Specified quantities of slack bus are

 P and V
 P and Q
 V and δ
 P and δ

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Power Systems
Sparse matrix is matrix which contain

 more number of non zeros
 more number of zeros
 less number of memory elements
 more number of memory elements

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Power Systems
An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is

 200 MVA
 400 MVA
 100 MVA
 500 MVA

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Power Systems
Gas turbine power plants for maximum efficient may have

 Multistage compression.
 Reheating.
 Heat exchangers.
  All of above.

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Power Systems
In a 3-phase, 5 kV, 5 MVA system, what is the base impedance?

 5 ohms
 500 ohms
 50 ohms
 0.5 ohm

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Power Systems
Which of the following matrix is used for load flow studies?

 null matrix
 Unit matrix
 Y bus matrix
 Z bus matrix

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