... voltage line suspension insulator 高压线悬式绝缘子 line insulator string 线路绝缘子串 line insulator detecting 带电绝缘子检测 ...
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特高压输电线路绝缘子串较长，电压分布很不均匀。
The insulator strings of UHV AC transmission lines are very long, and the voltage distribution along them is non-uniform.
为保证线路安全运行，研制安装了保护绝缘子串的引弧间隙，并先后在锚塔和高塔上安装了避雷器。
To ensure operation of transmission line safely, the arcing gap of insulator was developed and installed, and arrester was installed one after another on anchor tower and high tower.
线路避雷器仅能保护安装了线路避雷器的杆塔自身的线路绝缘子（串）不发生雷击闪络，无外延的雷击保护范围。
The line arresters can only protect the line insulators on the tower equipped with the line arresters from lightning flash and they have no extended protective range.
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