The invention relates to the field of vehicles, and provides a power system and a vehicle. The traction converter is connected with the motor; and the traction transformer is connected with the traction converter through a first shielding cable. The shielding cable is adopted by the power supply cable of the under-vehicle power system at the section from the traction transformer to the traction converter, so that electromagnetic interference can be effectively shielded, the electromagnetic compatibility of the whole vehicle is improved, the value of a radiation emission magnetic field of 150kHZ-2MHZ is reduced, the radiation emission of the whole vehicle is ensured to meet the standard requirement, and the reliability of the whole vehicle is improved. The cost of grounding the shielding layer of the power cable in the train manufacturing process is saved, and the problem of manpower and material resource cost consumed by rectification after the external radiation emission of the whole train exceeds the standard when an electromagnetic compatibility type test is carried out after the train is manufactured is solved.
本发明涉及车辆领域,提供一种动力系统及车辆,动力系统包括电机;牵引变流器,所述牵引变流器与所述电机连接;牵引变压器,所述牵引变压器通过第一屏蔽电缆与所述牵引变流器连接。本发明通过将车下动力系统的供电电缆在牵引变压器至牵引变流器段采用屏蔽电缆,可以有效屏蔽电磁干扰,提高了整车电磁兼容性能,降低了150kHZ~2MHZ辐射发射磁场值,保证了车辆整车辐射发射满足标准要求,节省了列车制造过程中动力线缆屏蔽层接地的成本,解决了列车制造完成后进行电磁兼容型式试验时,整车对外辐射发射超标后整改耗费的人力物力成本的问题。
Power system and vehicle
动力系统及车辆
2024-01-16
Patent
Elektronische Ressource
Chinesisch
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