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Modeling of an EMC test-bench for conducted emissions in solid state applications

机译:固态应用中传导传导的EMC测试平台建模

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In the area of EMC performance of electric motor drives, research is mainly focused on the EMC performance of inverter based drives. However, in most instances the soft starter is still an appropriate choice for motor control especially when accurate speed control of the load is not a specific requirement. The EMI generation of these converters has not been given the required importance, with only a few publications regarding this issue available in the last decades. A simulation model that considers the operation of solid state devices in an EMC conducted emission measurement laboratory environment was developed. The model was implemented in MATLAB® and Simulink® using a time domain approach. Models for the LISN, EMI receiver, power cables, thyristor power modules and induction motor load were developed and implemented. These models were developed so as to reflect the actual physics of the components and, where possible, model parameters were obtained through analysis of the geometry of the system through simplifications of the surrounding environment. The simulation was then used to gain insight on the EMI generation mechanisms of the solid state system.
机译:在电动机驱动器的EMC性能方面,研究主要集中在基于变频器的驱动器的EMC性能上。但是,在大多数情况下,软起动器仍然是电动机控制的合适选择,特别是当对负载的精确速度控制不是特定要求时。这些转换器的EMI产生并没有被赋予必要的重要性,在过去的几十年中只有很少的出版物涉及此问题。开发了一个模拟模型,该模型考虑了在EMC进行的排放测量实验室环境中固态设备的运行。该模型使用时域方法在MATLAB ®和Simulink ®中实现。开发并实现了LISN,EMI接收器,电源电缆,晶闸管电源模块和感应电动机负载的模型。开发这些模型是为了反映组件的实际物理特性,并在可能的情况下,通过简化周围环境来分析系统的几何结构来获得模型参数。然后使用仿真来了解固态系统的EMI产生机理。

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