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基于SS6B型电力机车的工作原理,搭建一种适用于电能质量谐波问题研究的仿真模型。首先,对机车的工作原理进行分析。然后,利用机车的牵引特性以及整流回路电压与整流电路触发角的关系,构造数学模型。最后,利用PSCAD仿真软件建立机车的仿真模型,并通过自定义模块实现不同工作状态转化的控制策略。通过与实际统计值的对比,验证模型的实用性。
Based on the working principle of SS6B electric locomotive, a simulation model suitable for the study of power quality harmonics is constructed. First of all, the working principle of the locomotive is analyzed. Then, taking advantage of the tractive characteristics of the locomotive and the relationship between the rectifier circuit voltage and the firing angle of the rectifier circuit, a mathematical model is constructed. Finally, the simulation model of the locomotive is established by using PSCAD simulation software, and the control strategy of different working state transformation is realized by the customized module. Through the comparison with the actual statistics, verify the practicality of the model.