| 基于DSP的高功率因数PWM整流器设计 |
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| 引用本文： | 陈江辉,谢运祥,黄勇,吕金虎.基于DSP的高功率因数PWM整流器设计[J].低压电器,2012(9):50-54. |
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| 作者姓名： | 陈江辉 谢运祥 黄勇 吕金虎 |
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| 作者单位： | 1. 仲恺农业工程学院机电工程学院,广东广州,510225
2. 华南理工大学电力学院,广东广州,510640 |
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| 摘 要： | 介绍了以DSP为控制核心的三相PWM整流器硬件工程实现。研究并设计了整流器的主电路参数、检测和采样电路、控制电路、驱动电路和监控保护电路等环节。叙述了PWM整流器的硬件过程和实现方法。最后,基于DSP控制芯片搭建了整流器的试验样机,并给出了试验波形图。试验结果表明,整流器输出电压稳定,网侧输入电流正弦化,且功率因数接近于1,可显著抑制谐波对电网的干扰,改善电网运行的品质。
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| 关 键 词： | PWM整流器 DSP 单位功率因数 数字控制 |
Design of High Power Factor PWM Rectifier Based on DSP |
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| CHEN Jianghui
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XIE Yunxiang
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HUANG Yong
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LV Jinhu.Design of High Power Factor PWM Rectifier Based on DSP[J].Low Voltage Apparatus,2012(9):50-54. |
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| Authors: | CHEN Jianghui XIE Yunxiang HUANG Yong LV Jinhu |
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| Affiliation: | 1.Faculty of Mechanical ＆ Electrical Engineering,Zhongkai University of Agriculture and Engineering, Guangzhou 510225,China;2.College of Electric Power,South China University of Technology, Guangzhou 510640,China) |
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| Abstract: | The three-phase PWM rectifier hardware realization with DSP control core was introduced.The rectifier＇s main circuit parameters,the examination and sampling circuit,the control circuit,the driving circuit and monitoring protection circuit were studied and designed.Hardware design and realizing methods of PWM rectifier were shown.A digital control system based on DSP was constructed and the design methods of hardware and software were presented.The experimental results show the rectifier can output stable DC voltage,the power factor is high toward 1,it can suppress the harmonic disturbance,improve the quality of electrical grid. |
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| Keywords: | pulse width modulation（PWM） rectifier digital singnal processing（DSP） unity power factor digital control |
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