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Power Systems

Power Systems
Which of the following power planets is the least reliable

 Tidal.
 Solar.
 Geothermal.
  Wind.

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Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.1 mH/Km
 0 mH/Km
 0.05 mH/Km
 0.025 mH/Km

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Power Systems
A gas turbine power plant is best suited for

 None of these.
 Base load.
 Emergency.
 Peak load.

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Power Systems
A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

 554×554
 555×555
 553×553
 540×540

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Power Systems
In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is

  3.000 pu.
 0.075 pu.
 0.200 pu.
 0.125 pu.

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Power Systems
Storage requirement can be determined from

 flow duration curve.
 hydro-graph.
  both B and C.
 mass Curve.

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