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Transmission line efficiency is power at the recieving-end of the line compared to the power at the sending-end of the line and is expressed as a percentage, so this can be formulated.
% efficiency = load power (output) / source power (input) x 100
In the line, there are power losses. to calculate this we use the formula:
power loss = 3.I2.R where I is current and R is resistance.
Now that we have the losses, we know the difference between the input and the output. So, for example, if one had the output value known, then to get the input we just add the loss to the output or if had the input known, just subtract the loss from it to get the output.
hope that helps
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∙ 11y ago
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