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° ℧. Find Charging current under no load?

 0.512∠90° A/phase
 0.144∠90° A/phase
 0.344∠90° A/phase
 1.144∠90° A/phase

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Power Systems
In a biased differential relay the bias is defined as the ratio of

  number of turns of restraining and operating coil.
  fault current and restraining coil current.
  fault current and operating coil current.
  operating coil current and restraining coil current.

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Power Systems
In a pressurized water reactor

 the coolant water boils in the reactor core.
  both B and C.
 water is used at high pressure so that it is available is liquid from at about 280° C.
 heavy water is used as both coolant and moderator.

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