青藏铁路穿越了青藏高原的腹地,成为世界上海拔最高、线路最长的高原铁路,沿线高寒缺氧,地质复杂,技术难度高,工程量巨大。青藏铁路特殊地理条件给机车车辆提出了许多特殊的高性能要求。车辆的电气联接件必须具有可靠的绝缘性能,并设有防雷击措施。对于行走于高原的车辆,其供电 The Qinghai-Tibet Railway traverses the hinterland of the Qinghai-Tibet Plateau and becomes the highest plateau railway in the world with the longest altitude and the longest line in the world. The alpine and anoxic zones along the route have complex geological conditions with high technical difficulty and huge project volume. The special geographical conditions of Qinghai-Tibet Railway put forward many special high-performance requirements for rolling stock. The vehicle’s electrical connections must have reliable insulation and lightning protection. For walking in the plateau of the vehicle, its power supply