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Analysis and design of a three-level PWM converter system for railway-traction applications

机译:铁路牵引用三电平PWM变流器系统的分析与设计

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The paper analyses the merits and demerits of three-level PWM converters through the comparison with two-level PWM converters. A general method for analysing the switching modes of PWM converters is described and an analysis of the three-level PWM converter is presented as an example. A neutral-point voltage- balance-control algorithm together with its hardware and software implementation is presented. A three-step methodology of rapid prototyping by using CAD for the system design, using a real-time simulator for checking the implementation and using high-power testing for validating the system, is described.
机译:通过与两级PWM转换器的比较,分析了三级PWM转换器的优缺点。描述了一种分析PWM转换器开关模式的通用方法,并以三电平PWM转换器的分析为例。提出了一种中性点电压平衡控制算法及其硬件和软件实现。描述了一种通过使用CAD进行系统设计,使用实时模拟器来检查实现并使用高功率测试来验证系统的快速原型制作的三步法。

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