This paper analyzes the mode of connection and the principle of the 24 pulse rectifier of DC power supply system of city track. It presents a model of rectifier, analyzes its operation characteristic. Based on the related theory this paper explains the fu%分析了城市轨道交通牵引供电系统中24脉波整流机组的接线方式和工作原理,并应用Matlab/Simulink软件建立整流机组的仿真模型,分析其运行特性。在该基础上,解释了采用24脉波整流在消除谐波对电网不利影响中的作用,从而为地铁牵引供电系统的研究提供参考。
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