| 单相数控有源功率因数校正技术研究 |
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| 引用本文： | 王国玲.单相数控有源功率因数校正技术研究[J].集美大学学报(自然科学版),2011,0(6):471-475. |
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| 作者姓名： | 王国玲 |
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| 作者单位： | (集美大学信息工程学院,福建 厦门 361021) |
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| 摘 要： | 研究了单相数控Boost型有源功率因数校正系统，采用平均电流型控制策略,分析了功率电路、信号调理电路、驱动电路的实现方案.采用DSP实现系统的数字控制，深入探讨了3个模拟采样信号和乘法器增益的确定方法，以及PI控制与PWM占空比算法，并对系统软启动、A/D转换、输入电压前馈和PWM信号产生4个程序模块进行了分析，仿真结果表明了系统设计的正确性
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| 关 键 词： | 功率因数校正 有源 数控 数字信号处理 |
Single-phase Power Factor Corrector Circuit with Digital Control |
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| WANG Guo-ling.Single-phase Power Factor Corrector Circuit with Digital Control[J].the Editorial Board of Jimei University(Natural Science),2011,0(6):471-475. |
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| Authors: | WANG Guo-ling |
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| Institution: | (School of Information Engineering,Jimei University,Xiamen 361021,China) |
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| Abstract: | Digital controlled single-phase boost mode power factor corrector with average current control was presented.Power circuit,signal conditioning circuit and driving circuit were analyzed.Fixed point DSP was the controller core.The gain of three analog sampling circuit and multiplier obtained method,the flow of input voltage feed forward,PWM signal generation,soft start,A/D converter,and the algorithm of PI and PWM duty were fully investigated.The simulation waveforms verified the correction of theory and desi... |
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| Keywords: | power factor correction(PFC) active digital control digital signal processor(DSP) |
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