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Voltage Regulationvoltage regulation of a line is defined as the change in voltage at the receiving end when full load at a given power factor is removed, the voltage at the sending end being kept constant. it is expressed as a fraction or a percentage of the receiving end voltage at full load. it can be written as,

Per unit regulation = Vrnl - Vrfl / Vrfl

Percent regulation = (Vrnl -Vrfl / Vrfl) * 100

Efficiency of a Short Transmission Line

It is the ratio of the Power Output of the line to the Power Input of the line.

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Q: Define voltage regulation and efficiency of a short transmission line?
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