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本文分析了SSI型电力机车谐波产生机理及其统计特征。文中首先在一般条件下用解析法和数值方法综合求解了SSI型电力机车的周期工作电流方程,给出了比较切合实际的计算模型。而后结合实际线路,根据SSI型电力机车的牵引计算结果,从仿真的角度对其谐波幅值和相频特征进行了统计分析,作出了其统计特征的直方图,为进一步进行电气化铁道全线动态谐波过程仿真提供了基础。
This paper analyzes the harmonic generation mechanism of SSI electric locomotive and its statistical characteristics. Firstly, under the general conditions, the analytical formula and numerical method are used to solve the periodic operating current equation of SSI electric locomotive, and a more realistic calculation model is given. According to the traction calculation result of SSI electric locomotive, the harmonic amplitude and phase frequency characteristics of the SSI electric locomotive are statistically analyzed according to the actual circuit, and the histogram of its statistical characteristics is made. In order to further carry out the whole dynamic state of electrified railway Harmonic process simulation provides the basis.