| SPWM单相逆变电路的谐波分析 |
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| 引用本文： | 胡赛纯.SPWM单相逆变电路的谐波分析[J].通信电源技术,2011,28(3):45-47. |
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| 作者姓名： | 胡赛纯 |
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| 作者单位： | 湖南城市学院物理与电信工程系,湖南,益阳,413000 |
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| 摘 要： | 在比较单相逆变电路几种PWM调制方法的基础上,对SPWM调制的谐波问题进行了分析,并在Matlab中进行了仿真,从仿真结果可以看出PWM逆变器的谐波特性与调制深度、载波频率有着密切关系,在实际中为得到较好的输出正弦波,既要考虑增加调制深度,又要增加载波频率。
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| 关 键 词： | 正弦脉宽调制 谐波 FFT 分析 |
Harmonic Analysis of SPWM Single-Phase Inversion Circuit |
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| HU Sai-chun.Harmonic Analysis of SPWM Single-Phase Inversion Circuit[J].Telecom Power Technologies,2011,28(3):45-47. |
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| Authors: | HU Sai-chun |
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| Affiliation: | HU Sai-chun(Department of Physics and Telecommunication Engineering,Hunan City University,Yiyang 413000,China) |
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| Abstract: | Based on the comparison of several single-phase PWM inverter,the harmonic of SPWM modulation are analyzed and simulated in Matlab,the simulation results suggest that there is a close relationship between the harmonic characteristics of PWM inverter,modulation depth and carrier frequency in practice,to get a better output sine wave,it is necessary to consider increasing the modulation depth,while raising the carrier frequency. |
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| Keywords: | SPWM harmonic FFT analysis |
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