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Power Systems

Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 3d
 2d
 5d
 d

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Power Systems
Specified quantities of load bus are

 Q and V
 P and δ
 P and Q
 V and δ

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Power Systems
A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency?

 5 MW
 10 MW
 20 MW
 15 MW

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Power Systems
The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station?

 720 MW
 30 MW
 50 MW
 72 MW

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Power Systems
Stability of a transmission line can be increased by

 shunt capacitor
 shunt reactor
 both 1 and 2
 series capacitor

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Power Systems
When a transformer is loaded, the secondary terminal voltage gains. That means power factor is

 lagging.
  leading.
 unity.
 zero.

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