overhead power transmission line

基本解釋

Grounding state of Overhead Line Tower in transmission grids has an important significance for security and steady operation of power system.
輸電線(xiàn)路桿塔接地狀況對(duì)電力系統(tǒng)的安全穩(wěn)定運(yùn)行具有重要意義。
Off-line fault location for power cable and on-line fault location for overhead transmission line have been accomplished in the past several decades.
本文通過(guò)對(duì)電力電纜故障離線(xiàn)與在線(xiàn)監(jiān)測(cè)技術(shù)的系統(tǒng)分析和比較，選擇了最優(yōu)的特征信號(hào)來(lái)實(shí)現(xiàn)電力電纜故障的在線(xiàn)監(jiān)測(cè)與診斷。
Unreeling and setting the leading string by the aid of dynamic parachute is an effective approach to important power line crossing in the construction of overhead transmission lines.
對(duì)於電力架線(xiàn)施工中跨越重要電力線(xiàn)的工程，採(cǎi)用動(dòng)力繖的飛行技術(shù)展放導(dǎo)引繩，是一種有傚的方法。