| 基于半桥Boost变换器的功率因数校正技术研究 |
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| 引用本文： | 孙丽娜,陈新,陈杰. 基于半桥Boost变换器的功率因数校正技术研究[J]. 电力电子技术, 2009, 43(1) |
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| 作者姓名： | 孙丽娜 陈新 陈杰 |
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| 作者单位： | 南京航空航天大学,江苏,南京,210016;南京航空航天大学,江苏,南京,210016;南京航空航天大学,江苏,南京,210016 |
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| 摘 要： | 研究了高功率因数单相半桥升压变换器,该变换器具有单位功率因数、能量双向流动、效率高等优点.分别对基于数模混合控制的恒定迟滞环宽电流控制技术和全数字控制平均电流法进行了研究.采用半周期控制,既可以消除开关死区又可以减小开关及驱动损耗,提高了效率.分析了半桥PFC的工作模式,研究了数模混合和全数字控制策略及数字PI算法.设计了1kW实验样机完成实验验证.
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| 关 键 词： | 变换器 功率因数 校正 数字控制/滞环控制 |
Research on Three-phase Power Factor Correction based on Half-bridge Boost Converter |
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| SUN Li-na,CHEN Xin,CHEN Jie. Research on Three-phase Power Factor Correction based on Half-bridge Boost Converter[J]. Power Electronics, 2009, 43(1) |
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| Authors: | SUN Li-na CHEN Xin CHEN Jie |
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| Affiliation: | Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China |
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| Abstract: | A single-phase high-efficiency half-bridge Boost converter circuit is presented with detailed analysis.The con-verter is capable of operating under near unity power factor(PF) and energy regeneration.The considerations of the power circuit using the half-cycle fixed-band hysteresis current control(HCC) technique are analyzed and the full-digital control is provided.The dead time is eliminated and the efficiency is improved.The principle of half-bridge PFC circuit is analyzed and the control methods are pres... |
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| Keywords: | converter power factor correction digital control/hysteresis control |
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