Inspec keywords: earthing; power transmission lines; poles and towers; power system harmonics; harmonic analysis

Other keywords: line spacing; harmonics distribution; transmission line; DC project; line sections; important subsection basis; transmission distance; line structure; influence rules; DC system; bundle number; precise harmonic model; project design convention; harmonic analysis program; harmonic analysis calculating; tower structure; exact line parameters

Subjects: Power system protection; Power line supports, insulators and connectors; Mathematical analysis; Power supply quality and harmonics