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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 29
 19
 7
 1

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Power Systems
A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is

 1.116 pu.
 none of these.
 1.1 pu.
  1.088 pu.

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Power Systems
Advantages of higher transmission voltage is/are

All of these
 Power transfer capability of the transmission line is increased
 Transmission line losses are reduced
 Area of cross section and volume of the conductor is reduced

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Power Systems
A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications

 Condenser.
 Ash handling unit.
 Pulversing unit.
 Cooling tower.

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Power Systems
India’s largest thermal power station is located at

 Kota.
 Chandrapur.
 Neyveli.
 Sarni.

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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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