| 单相PWM整流器控制方法及谐波分析 |
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| 引用本文： | 王成. 单相PWM整流器控制方法及谐波分析[J]. 电子设计工程, 2014, 0(6): 92-95 |
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| 作者姓名： | 王成 |
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| 作者单位： | 西安航空学院陕西西安710077 |
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| 摘 要： | 传统二极管不控整流或晶闸管相控整流,对电网注入大量谐波及无功功率,造成电源污染.PWM整流器采用全控型开关器件取代二极管或半控型器件,并将PWM控制技术引入整流器,在稳定直流电压输出同时,使交流侧电源电流接近正弦波,实现能量的双向流动.通过介绍单相PWM整流器的控制方法,利用Matlab/Simulink搭建仿真模型,比较分析不同控制方式下PWM整流器运行时电压波形及输入电流的谐波频谱.
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| 关 键 词： | PWM整流器 谐波分析 Matlab Simulink 滞环控制 |
Single-phase PWM rectifier control method and harmonic analysis |
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| WANG Cheng. Single-phase PWM rectifier control method and harmonic analysis[J]. Electronic Design Engineering, 2014, 0(6): 92-95 |
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| Authors: | WANG Cheng |
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| Affiliation: | WANG Cheng( 1.Xi＇an Aeronautical University, Xi＇an 710077, China;) |
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| Abstract: | Traditionally controlled rectifier diode or thyristor phase-controlled rectifier,a large number of harmonics injected into the grid and reactive power,resulting in power pollution.. PWM rectifier switching devices using full-controlled replacing diodes or semi-controlled device,and the PWM control technology into the rectifier,In a stable DC voltage output while the AC side nearly sinusoidal supply current to achieve the two-way flow of energy.Describes a single-phase PWM rectifier control method using Matlab/Simulink to build simulation models,comparative analysis of different control mode PWM rectifier operation voltage waveform and the input current harmonic spectrum. |
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| Keywords: | PWM rectifier harmonic analysis Matlab/Simulink hysteresis control |
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