提高直流牵引电动机过载能力关键技术的研究

Research on the Critical Technology of DC Traction Motor Overload Capacity Improvement

针对标准轨距工矿电机车直流牵引电动机的特点，对提高其过载能力的方法进行了分析。结合ZQ350-1直流牵引电动机作业环境特点和该电动机常见故障的原因，总结出了提高电动机过载能力的关键技术和改造设计准则。

According to the characteristics of DC traction motor for factory and mine electric locomotive with standard gauge, analyze the method to improve the overload capacity. In combination with the features of practical operating environment of ZQ350-1 DC traction motor and common fault reasons, put forward the critical technology to improve the overload capacity and the modification design criteria.