随机控制PWM单相升压整流器的功率密度谱估计

1999 IEEE International Symposium on Electromagnetic Compatability. Symposium Record (Cat. No.99CH36261) Pub Date : 1999-08-02 DOI:10.1109/ISEMC.1999.810122

F. Mihalič, M. Milanovič

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引用次数: 2

摘要

随机调制在电力电子领域越来越受到关注，也有望降低AC/AC、DC/DC转换器应用中的滤波要求，并降低电机驱动应用中的噪声。研究了随机控制脉宽调制(RPWM)单相结构化升压整流器的功率谱密度(PSD)估计方法。估计的PSD也得到了实验验证。由于大的di/dt和dv/dt，变换器的开关模式工作将产生电磁干扰(EMI)。除了所有减少EMI产生的步骤(即引入RPWM)之外，还考虑了功率谱的改善。

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Power density spectrum estimation of the random controlled PWM single-phase boost rectifier

Random modulation is of increasing interest in power electronics and also holds promise for reducing filtering requirements in AC/AC, DC/DC converter applications and reducing acoustic noise in motor drive applications. This paper deals with the power spectrum density (PSD) estimation methods of the random controlled pulse width modulation (RPWM) single-phase structured boost rectifier. Estimated PSD is also experimentally verified. The switch-mode operation of the converter results in electromagnetic interference (EMI) which is produced due to large di/dt and dv/dt. In addition to all steps to minimize the generation of EMI (i.e. introduction of RPWM), improvement of power spectra is also considered.

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1999 IEEE International Symposium on Electromagnetic Compatability. Symposium Record (Cat. No.99CH36261)

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