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一种数字模拟混合控制的单位功率因数整流器
引用本文:阮立飞,张万峰,叶芃生.一种数字模拟混合控制的单位功率因数整流器[J].上海交通大学学报,2001,35(8):1242-1245.
作者姓名:阮立飞  张万峰  叶芃生
作者单位:上海交通大学信息与控制工程系,
摘    要:在三相电压型宽调制(PWM)整流器数学模型的基础上,以传递函数形式建立了电汉环和电压环的数学模型,分析了输出电压的限制条件,设计了以单片微处理器80C552为核心的实验系统,该系统采用数字模拟混合控制方式,无乘法器,仅需两个电流传感器,从而使系统得以简化。实验结果表明,采用文中所述控制策略的PWM整流器能使输入电流为正统且与电压同相,达到单位功率因数。

关 键 词:整流器  数字模拟混合控制  单位功率因数  传递函数  脉宽调制  输入电流
文章编号:1006-2467(2001)08-1242-04
修稿时间:2000年7月18日

Unity Power Factor PWM Rectifier Based on Digital and Analog Hybrid Control
RUAN Li fei,ZHANG Wan feng,YE Peng sheng.Unity Power Factor PWM Rectifier Based on Digital and Analog Hybrid Control[J].Journal of Shanghai Jiaotong University,2001,35(8):1242-1245.
Authors:RUAN Li fei  ZHANG Wan feng  YE Peng sheng
Abstract:On the base of the model of 3 phase PWM rectifier, the model of current loop and voltage loop was set up. The limited range of the DC output voltage was analyzed. The unity power factor PWM rectifier based on digital and analog hybrid control was designed. The microprocessor (80C552) was adopted in the experimental system as central unit. Only two current detectors and no multipliers are required, so the structure is very simple. The experimental results show that the proposed rectifier can keep the input current in the same phase with voltage and realize the unity power factor.
Keywords:rectifier  digital and analog hybrid control  unity power factor
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