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Power Systems

Power Systems
India 1st nuclear plant was set up at

  Tarapur.
  Bhaba.
  Kalpakkam.
  Rana pratap sagar.

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Power Systems
Which of the following method is used for changing power factor from leading to lagging

 series capacitor
 shunt capacitor
 shunt reactor
 any of the above

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Power Systems
The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to

 125 electrical degrees/s²
 12.5 electrical degrees/s²
 22.5 electrical degrees/s²
 225 electrical degrees/s²

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Power Systems
Pump storage schemes are used to improve

 the load factor.
 the power factor.
 the diversity factor.
  the plant capacity factor as well as the load factor of the power system.

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Power Systems
Which of following power plants normally operage at high speeds

 Diesel engine.
 Hydro electric.
 Petrol engine.
  Thermal.

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Power Systems
Equal area criteria is used for

 nether 1 nor 2
 either 1 or 2
 relative stability of the system
 absolute stability of the system

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