单相Boost有源功率因数校正器的研究

Research on single-phase active power factor correction of Boost mode

文章首先介绍整流器 -电容滤波电路中产生的谐波对电网造成的危害 ,分析了该电路的工作方式 ;提出了电路工作在断续方式状态下的谐波计算公式 ;给出了 Boost有源功率因数校正器的控制方案 ;讨论了系统的工作原理以及电感、电容参数的选择 ;

The harm of harmonic occuring in the rectifier filter capactor circuit to electric network is introduced, the working mode of the circuit of is analyzed and the calculation formula of harmonic is presented when the circuit is working in the uncontiuous mode. Then a control scheme for power factor correction is given, the working principle of the system is analyzed, and the selection of inductance and capacitance parameters is discussed. The simulation result is also presented.