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利用直流斩波技术实现高速机车无变压器化交流传动系统结构是实现车载牵引变压器小型轻量化的一种新方案,这种无变压器化交流传动系统结构需要解决的首要问题是其中的直流斩波器的电路拓扑结构及其元件参数的确定问题。通过合理分解电路结构的方法,对直流斩波器基本电路结构的输入滤波器和输出滤波器的元件参数进行了估算,估算结果可以为进一步的研究提供参考。
Using DC Chopper Technology to Realize High-speed Locomotive Transformer-less AC Drive System Structure is a new scheme to realize small and lightweight vehicle traction transformer. The primary problem to be solved in this kind of transformerless AC drive system structure is that the DC chopper The circuit topology and its component parameters to determine the problem. The components of the input filter and output filter of the basic circuit structure of the DC chopper are estimated through the reasonable decomposition of the circuit structure. The estimation results can provide reference for further research.