| 唐思文， 李印龙， 杨喜军.直接功率控制的单相功率因数校正器[J].电气自动化,2014,36(1):70~72 |
| 直接功率控制的单相功率因数校正器 |
| Single phase Power Factor Corrector under Direct Power Control |
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| DOI： |
| 中文关键词: 有源功率因数校正 双闭环控制 电压平方外环 直接功率控制 快速响应 |
| 英文关键词:active power factor corrector double closed loop control voltage squared outer loop direct power control, quick response |
| 基金项目: |
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| 摘要点击次数: 2867 |
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| 中文摘要: |
| 传统的双闭环控制单相有源功率因数校正器（APFC）中，电压外环可以调节输出直流电压，电流内环可以调节输入电流波形。提出基于电压平方外环的APFC直接功率控制策略，电流内环仍然采用PI调节器，从而使得单相APFC具有对输出功率变化快速响应的优点，但是在负载突变情况下，也带来了输入电流突变而引起过流的现象，需要对电压平方外环和直接功率控制环进行阻尼作用，在快速响应与稳定运行之间获得平衡。上述结论得到了MATLAB/Simulink仿真分析结果的验证。 |
| 英文摘要: |
| In the conventional single phase active power factor corrector (APFC) controlled by two closed loops, the voltage outer loop can adjust output DC voltage, while the current inner loop can adjust input current waveform. This paper presents a control strategy using direct power control, based on the voltage squared outer loop. The PI regulator is still utilized in the current inner loop so that the single phase APFC has the advantage of quick response to the changing output power. But in the case of sudden load variations, abrupt fluctuations of the input current will cause over current. Thus, damping is needed in the voltage squared outer loop and the direct power control loop to balance rapid response and stable operation. The simulation results by means of MATLAB/SIMULINK prove the above conclusions. |
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