| 随机SPWM抑制电磁噪声的研究 |
| |
| 引用本文： | 杜冲,章穗,赵熙临.随机SPWM抑制电磁噪声的研究[J].湖北工业大学学报,2012(5):61-64. |
| |
| 作者姓名： | 杜冲 章穗 赵熙临 |
| |
| 作者单位： | 湖北工业大学电气与电子工程学院,湖北武汉430068 |
| |
| 摘 要： | 在恒定三角载波频率的SPWM控制策略的基础上,针对开关频率高速变化,引起强烈的电磁干扰问题,提出一种基于Lorenz变载波频率的SPWM控制方法,利用随机变化的低噪声特性平滑高次谐波能量,达到抑制EMI的目的.利用MATLAB进行仿真,仿真结果达到了预期的控制效果.
|
| 关 键 词： | Lorenz随机序列 电磁干扰 随机SPWM |
Research on Random Frequency SPWM Suppression of Electromagnetic Noise |
| |
| DU Chong,ZHANG Sui,ZHAO Xi-lin.Research on Random Frequency SPWM Suppression of Electromagnetic Noise[J].Journal of Hubei University of Technology,2012(5):61-64. |
| |
| Authors: | DU Chong ZHANG Sui ZHAO Xi-lin |
| |
| Affiliation: | (School of Electrical and Electronic Engin.,HuBei Univ.of Tech.,Wuhan 430068,China) |
| |
| Abstract: | A control method was proposed based on the change of the carrier frequency Lorenz SPWM,in which the constant frequency triangle carrier SPWM control strategy is a foundation.In the proposed scheme the EMI suppression was charged by random changes in the high-low-noise characteristics of smooth harmonic energy,thus the electromagnetic interference caused by the frequency changes of high speed switching could be solved.The MATLAB simulation results show that it has achieved the expected effect. |
| |
| Keywords: | Lorenz random sequence EMI random SPWM |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
