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Power Systems

Power Systems
Specified quantities of load bus are

 Q and V
 P and δ
 V and δ
 P and Q

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Power Systems
Where do compounding done in thermal power plants

  Turbine.
  Ash handling plant.
  Generator.
  Coal handling plant.

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Power Systems
String efficiency depends upon

  all of these.
 voltage rating of one SCR.
 no. of SCR in the string.
 voltage rating of whole string.

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

 55 kA.
  35 kA.
 50 kA.
 45 kA.

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Power Systems
The 1st nuclear plant in world was commissioned in

  UAE.
  U.S.A.
 U.K.
  U.S.S.R.

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Power Systems
Condition for zero voltage regulation is

 tanφ = R/X
 tanφ = X/R
 cosφ = R/X
 cosφ = X/R

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