D.C. Power transmission line with lightning protection wires

摘要

PCT No. PCT/SU80/00010 Sec. 371 Date Aug. 31, 1981 Sec. 102(e) Date Aug. 31, 1981 PCT Filed Jan. 30, 1980 PCT Pub. No. WO81/02226 PCT Pub. Date Aug. 6, 1981.A d.c. power transmission line comprises two wire-type systems providing for lightning protection of line conductors (2,3). One of the wire-type systems comprises at least two wires (9) in a spaced relation to each other and is located above a line conductor (2) connected to a negative pole (6) of a d.c. power supply (7). A second wire-type system comprises a single wire (11) and is located above a line conductor (3) connected to a positive pole (8) of the d.c. power supply (7).