If the power factor is _____________, the voltage at the sending end is
less than that at the receiving end in short line. Hence voltage regulation is
negative.
Lagging
Leading
Unity
Zero
Leading
If the power factor is leading, the voltage at the sending end is less than that at the receiving end in short line. Hence voltage regulation is negative. When medium and long transmission line are at no load or lightly loaded the receiving end voltage is greater than the sending end voltage called ferrantieffect, at this condition power is leading also.
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