ABSTRACT
Although cyclic conductor transposition allows the TL parameters to be calculated as average values corresponding to the various positions occupied, even in this case, if the line sections between two transpositions are electrically long, the resulting imbalance can be significant. Thus, this chapter studies the modal propagation theory used to study transmission lines (TL) under this condition. Chapter 6 begins with the voltage equation for a single conductor system. Then, by calculating the eigenvalues and eigenvectors of a matrix, it demonstrates how to calculate the modal propagation matrix. Continuing the chapter, the modal equations in an n-conductor system are shown. Concluding the chapter, Karrenbauer and Clarke's transformations are presented.
