青海省柴达木盆地的南部,有一片地上无绿草、湖中无游鱼、天上无飞鸟的地界,这便是察尔汗盐湖。青藏铁路从察尔汗盐湖坚硬的盐盖上穿行而过,宛如一条钢铁彩虹。“然而由于高原风沙大,加上空气中的盐分含量高,遇到雨雪天气,铁路牵引供电接触网设备上就会形成盐污,当盐污附着到接触网的绝缘设备上时,容易引起绝缘设备导电,造成线路 Qinghai Qaidam Basin in southern, there is a green grass on the ground, no fish in the lake, the sky without birds in the world, this is Chaerhan Salt Lake. The Qinghai-Tibet Railway runs through the hard salt cover of Chalhan Salt Lake, just like a steel rainbow. ”However, due to the large sandstorm in the plateau and the high salt content in the air, it encounters rain and snowy weather. Salt pollution is formed on the equipment of the railway traction power supply catenary. When the salt dirt adheres to the insulating equipment of the catenary, it is easy Insulation equipment caused by conduction, resulting in lines