Tuesday 17 November 2015

Power loss during transmission


I have no background of electrical engineering so if my question sounds stupid then accept my apology in advance. I want to calculate the power loss during the transmission. I am using the simple formula which is



$$P_{loss} = Resistance \cdot I^2$$


Where P is power loss
Resistance is in Ohms
and I is the current


Replacing the I by P / V Where V is the voltage now the formula looks like


$$P_{loss} = Resistance \cdot \Big( \frac{P}{V} \Big)^2$$


If the value of resistance is 5.24 Ohms and voltage is 50 kV and the value of P is 940 kW then I get the value of P(loss) = 1852 W which does not seem intuitive.


Looking for your guidance (if i am calculating wrong). Accept my apology in advance if my question bothers you.




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