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车顶电器是电力机车的重要组成部分,是为电力机车提供电能的特殊供电设备,由于其结构的特殊性、无备用性、和对自然环境的敏感性,其发生的故障复杂多样,它会造成电气化铁路供电设备损坏、供电中断、列车停运、严重威胁供电和运输安全。针对SS4型电力机车车顶电器的结构、常见故障和原因进行分析、提出切实可行的技术措施,为做好日常检修、维护保养和提高车顶电器工作的可靠性提供技术支持。
Roof electric appliance is an important part of electric locomotive and is a special power supply equipment for electric locomotive. Due to its special structure, lack of redundancy and sensitivity to the natural environment, the roof electric appliance is complicated and diverse. Resulting in damage to the electrified railway power supply equipment, interruption of power supply and shutdown of trains and a serious threat to power supply and transport safety. Based on the analysis of the structure, common faults and causes of SS4 electric locomotive roof electric appliances, practical technical measures are put forward to provide technical support for the routine maintenance, maintenance and improvement of the reliability of the roof electric appliances.