Inspec keywords: power transmission lines; power overhead lines; underground cables; power transmission protection; power transmission faults

Other keywords: frequency 60.0 Hz; high-speed operation; voltage 230.0 kV; underground cable sections; HTL; protection operation; performance evaluation; TW87 operation; alternative transients programme; reliability; travelling wave-based differential protection; hybrid transmission lines; overhead cable sections

Subjects: Power transmission, distribution and supply; Power system protection; Overhead power lines