The correct formula for Voltage Regulation is

The correct formula for Voltage Regulation is:

  1. VR = (Vnl + Vfl)/ Vfl
  2. VR = (Vnl – Vfl)/ Vfl
  3. VR = (Vfl + Vnl)/ Vfl
  4. VR = (Vfl – Vnl)/ Vfl

Correct answer: VR = (Vnl – Vfl)/ Vfl

Voltage Regulation Formula

Voltage regulation is the measure of the ability of an electrical machine to keep the constant voltage at terminals with load variation. It is mathematically expressed by the following formula:

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