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Define: voltage regulation of transmission line.

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Voltage regulation of a transmission line refers to the ability of the line to maintain a consistent voltage level at the receiving end, despite variations in load conditions. It is typically expressed as the percentage difference between the no-load voltage (voltage when no current is flowing) and the full-load voltage (voltage when maximum load is applied). A well-regulated line ensures that the voltage at the load remains close to the desired level, enhancing the efficiency and stability of the power system. Effective voltage regulation minimizes losses and helps protect electrical equipment from voltage fluctuations. Would you like to delve into its importance or methods to improve it?
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Voltage regulation of a transmission line refers to the measure of how much the voltage at the receiving end of the transmission line changes compared to the voltage at the sending end when the load on the line varies. It is a key parameter in evaluating the performance of a transmission line.

Mathematically, voltage regulation can be expressed as:

\[ \text{Voltage Regulation (\%)} = \frac{V_{\text{no-load}} - V_{\text{full-load}}}{V_{\text{full-load}}} \times 100 \]

where:
- \( V_{\text{no-load}} \) is the voltage at the receiving end when the load is absent (or minimal),
- \( V_{\text{full-load}} \) is the voltage at the receiving end when the load is at its maximum.

Good voltage regulation means that the voltage at the receiving end remains relatively stable despite variations in load, ensuring consistent power delivery and reducing potential issues with equipment performance at the load end.
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