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Power Systems

Power Systems
Range of accelerating factor is

 50 to 100
 1 to 10
 1.6 to 1.8
 10.8 to 11.2

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Power Systems
For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is

  9.01 kV / μs.
 2.0 kV / μs.
 12.2 kV / μs.
 10.01 kV / μs.

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Power Systems
For symmetrical network, the neutral current is

 zero
 infinity
 maximum
 any of the above

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Power Systems
Which of the following power stations is mainly used to cover peak load on the system?

 pumped storage hydro power plant
 coal based thermal power plant
 nuclear plant
 gas based thermal power plant

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° â„§. Find the no load receiving end voltage?

 600 kV
 500 kV
 320 kv
 400 kV

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Power Systems
Counter poise is used for

 proper discharging of lighting surges
 more surge impedance
 reduce losses
 less surge impedance

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