Method of preventing galloping of multiconductor transmission li

Details Method of preventing galloping of multiconductor transmission li Method of preventing galloping of multiconductor transmission li

1997-02-27

2000-06-06

Sough, Hyung Sub

Electricity: conductors and insulators

Overhead

With conductor vibration damping means

174129R, H02G 714

Patent

active

060721200

ABSTRACT:
A top phase transmission line and bottom phase transmission line are stretched between support steel towers so that the bottom phase transmission line is positioned below the top phase transmission line. Each of the transmission lines has at least two conductors, which conductors are arranged to be substantially parallel and are separated by a substantially constant distance by interconductor spacers. An intermediate phase transmission line may be arranged between the top phase transmission line and bottom phase transmission line as well. Such transmission lines are multiconductor transmission lines. In these multiconductor transmission lines, the conductor positioned at the left side in the top phase transmission line and the conductor positioned at the right side in the intermediate phase transmission line or bottom phase transmission line directly below it are connected by a first interphase spacer made of an insulator. Further, the conductor positioned at the right side in the top phase transmission line and the conductor positioned at the left side in the intermediate phase transmission line or bottom phase transmission line directly below it are connected by a second interphase spacer made of an insulator. By this, galloping in the transmission lines can be suppressed.

REFERENCES:
Bonneville Power Administration, "Transmission Line Reference Book HVDC To +-600kv", pp12-13, No Month, 1977.

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