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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 V and δ
 δ and Q
 P and V
 P and Q

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Power Systems
Stock bridge dampers are used to

 increase the sag
All of these
 reduce the tension
 reduce the vibrations at the point of support

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Power Systems
In a two plant system, the load is connected to plant number 2. The loss coefficients are

 B11,B22,B12 are non zeros
 B11 is non zero,B22 = B12 = 0
 B11,B12 are non zero ,B22 = 0
 B11,B22 are non zero,B12 = 0

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Power Systems
When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively

 increase and decrease.
 increase and remain unaffected.
  decrease and increase.
 decrease and remain unaffected.

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Power Systems
Surge impedance loading of a line is increased by which of the following compensation methods?

 series capacitor
 both 1 and 2
 shunt capacitor
 shunt reactor

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Power Systems
Area under the daily curve divided by 24 gives

 maximum load
 maximum demand
 average load
 units generated

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