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Ferranti effect:

  • In the case of a no-load in the transmission line, the voltage at the receiving end becomes greater than the sending end. This condition is known as the Ferranti effect.
  • Under such cases, the power factor of the line becomes leading in nature.
  • In such cases, a synchronous reactor is connected to the receiving end.
  • It absorbs excess reactive power available in the line, thus decreasing the overvoltage condition.
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