Formulae for calculating the transmission line losses for
different voltage levels
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Answer Posted / Ganesh Singh Bora
Calculating transmission line losses depends on various factors, including the type of line, length, voltage level, load, and temperature. Some common formulas used in power systems are:
1. Ohmic Losses (I^2R loss): I^2 * R where I is the current flowing through the line and R is the resistance per unit length of the line.
2. Corona Losses: A function of the voltage level, geometry of conductors, and surrounding air. It's a complex calculation that usually requires specialized software.
3. Capacitive and inductive losses: Depending on the type of lines (AC or DC), these losses can be significant and are often calculated using complex impedance formulas.
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