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.
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。
2
A new electrode and metal oxide surge arrester (MOA) with series air gap is developed, the gap is a pure air one and is composed by high voltage piercing electrode and MOA in itself.