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首页> 外文期刊>Magnetics, IEEE Transactions on >Analysis of Radiated EMI and Noise Propagation in Three-Phase Inverter System Operating Under Different Switching Patterns
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Analysis of Radiated EMI and Noise Propagation in Three-Phase Inverter System Operating Under Different Switching Patterns

机译:不同开关模式工作的三相逆变器系统的辐射EMI和噪声传播分析

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摘要

In this paper, a numerical model using the finite-element (FE) method was used to predict the electromagnetic interference (EMI) generated by 325-V, 5-kW power inverter, supplying a variable three-phase load. A comparative analysis was performed to evaluate the effects of different switching patterns on the radiated and conducted EMI levels. An experimental setup was arranged to validate the simulation results. The proposed approach is suitable for prediction of radiated and conducted EMI generated by power converters. This helps reduce the post prototype EMC testing cost by minimizing redesign and modifications of final converter product.
机译:在本文中,使用有限元(FE)方法的数值模型用于预测325 V,5 kW功率逆变器产生的电磁干扰(EMI),并提供可变的三相负载。进行了比较分析,以评估不同开关模式对辐射和传导EMI电平的影响。安排了一个实验装置来验证仿真结果。所提出的方法适合于预测功率转换器产生的辐射和传导EMI。通过最小化最终转换器产品的重新设计和修改,这有助于降低原型EMC后的测试成本。

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