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新型斩波器调速电机车主电路采用了新设计、新器件,具有启动无冲击、调速平稳及安全节能的特点,并具备短路、过流、欠压和过热等保护功能[1],已逐步成为矿山的主要运输设备。该型电机车在故障检修时有一定的难度[2]。笔者以某公司生产的CJY3-6GB/250-2型斩波器调速双电动机牵引的矿用电机车为例,对斩波器调速电机车主电路的各类故障及其成因进行探究,探讨如何采用多种故障分析诊断方法快速修复故障[3],并通过检修实例说明其有效性。
The new chopper speed motor host circuit using a new design, new devices, with no start-up shock, smooth speed and safety energy-saving features, and with short circuit, over current, under voltage and overheating protection [1] Gradually become the main transport equipment mine. This type of electric locomotive in the troubleshooting have a certain degree of difficulty [2]. Taking CJY3-6GB / 250-2 chopper speed dual-motor traction mining locomotive manufactured by a company as an example, the author explores various faults and their causes in the main circuit of chopper speed regulating motor drive How to use a variety of fault analysis and diagnosis methods to quickly repair the fault [3], and through the maintenance of examples to illustrate its effectiveness.