A Method of Analysis of Power Line Carrier Problems on Three-Phase Lines

A method of analyzing the performance of a power line carrier link on long horizontal power lines is suggested. Natural modes of propagation are applied to the phase currents and voltages of plc (power line carrier) signals between two line discontinuities. Transmitter and receiver coupling connections, and effects of faults and transpositions are discussed. Equations leading to solutions of some plc problems are developed.

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