Many different random PWM methods have been developed to reduce noise and suppress electromagnetic interference (EMI). A new dual randomized modulation of zero-vector and variable-delay is presented based on analysis and comparison of random PWM technologies.
从降低噪声和减少电磁干扰角度出发对各种随机PWM技术进行了分析和比较,在此基础上提出了一种零矢量-变延时的双随机PWM调制策略,该方法在简化数字化程序实现的同时,在调制比较低时有着独特的谐波频谱特性。
参考来源 - 交流变频驱动系统关键技术及应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The experiment results verified the effectiveness and practicability of the random PWM.
实验验证了这种随机PWM的有效性和实用性。
The influence of random signals on the power spectral density characteristic of switching function is studied and a practical design of randomized PWM is proposed.
分析了随机信号对开关函数功率谱密度特性的影响,据此提出随机脉宽调制技术的实用化设计方法。
Random PWM technology is a direct and effective way to alleviate acoustic noise in adjustable-speed system.
随机脉宽调制是解决交流调速系统中声学噪声的直接有效方法。
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