日趋稳步快速的社会经济发展对电网的供电保电能力提出了更高的要求，在完善配电网及其附属设备之余，输电网的建设与维护也刻不容缓。500 kV输电线路作为电网的中坚力量，做好其检修工作也受到了相当的重视。目前500 kV输电线的检修工作中仍使用人工走线和人力驱动的脚踏式导线飞车的方式，具有相当的局限性，工作效率也是大打折扣。因此针对传统的检修方式从飞车的结构、动力和电磁兼容三个方面入手，设计了500 kV输电线路四分裂导线电动飞车，并在保障安全和工作效果的前提下，最大程度地减轻了飞车的重量以保证高的工作效率。电动飞车在理论上能够大大提高一段线的检修效率，在以后的电网建设中具有较好的推广作用。
At present, the steady and rapid social and economic development puts forward higher require-ments for the power supply and power conservation capacity of the power grid. In addition to im-prove the distribution network and its ancillary equipment, the construction and maintenance of the transmission network cannot be allowed to fall. The 500 kV transmission line is used as the backbone power transmission capacity of the power grid. Therefore, the overhaul of the 500 kV transmission line has also received considerable attention. In the current maintenance work of 500 kV transmission lines, manual routing and human-powered pedal-type wire speeding are still mainly used, which has considerable limitations and work efficiency is greatly reduced. Therefore, for the previous maintenance mode, the four-split electric locomotive of 500 kV transmission line was designed from the three aspects of structure, power and electromagnetic compatibility of the locomotive. Under the premise of ensuring safety and working effect, the weight of the locomotive was minimized to ensure the work efficiency. In theory, electric locomotives can greatly improve the maintenance efficiency of a section of the line and improve the stability of the power grid, which has a good promotion effect in the future power grid construction.