太赫兹科学与电子信息学报, 2018, 16 (2): 336, 网络出版: 2018-06-09
DSP控制的交错并联Boost PFC控制系统实现
System of interleaved Boost PFC under the DSP control
平均电流控制 功率因数校正 交替不定延时平均电流采样 PI算法 average currentcontrol power factor correction alternating variable delay timeaverage current sam PI algorithm
摘要
提出了一种基于 DSP TMS320F2812数字控制的平均电流型交错并联升压型功率因数校正(Boost PFC)变换器。重点提出了 150 kHz/Phase开关频率下的控制算法与改进的采样算法, 并对电压、电流双环数字控制回路进行分析与 PI补偿设计。基于 Matlab/Simulink对并联交错 Boost PFC数字控制系统进行建模仿真, 并制作 300 W输出功率的样机, 成功对 Boost PFC控制系统进行了验证与实现。
Abstract
A digital controlled interleaved Boost Power Factor Correction(PFC) converter is presented with the method of average current control based on the DSP of TMS320F2812. The control algorithm and the improved sampling algorithm with 150 kHz/phase switching frequency are put forward. The voltage and current double closed-loop digital control circuit are analyzed and executed PI compensation design. The modeling and simulation is performed by Matlab/Simulink for interleaved Boost PFC numerical control system. A 300 W output power of the prototype of the Boost PFC control system is implemented and verified.
谭伟, 黄嵩人, 申培. DSP控制的交错并联Boost PFC控制系统实现[J]. 太赫兹科学与电子信息学报, 2018, 16(2): 336. TAN Wei, HUANG Songren, SHEN Pei. System of interleaved Boost PFC under the DSP control[J]. Journal of terahertz science and electronic information technology, 2018, 16(2): 336.
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