AN510电源滤波电路的功率因数校正方面

AN510电源滤波电路的功率因数校正方面

APPLICATION NOTE
CIRCUITS FOR POWER FACTOR CORRECTION
WITH REGARDS TO MAINS FILTERING
by J. M. Bourgeois



1. INTRODUCTION 1.1 Basic principles of operation
The new European Norms EN 60555 and the A power factor corrector is basically a AC to DC
international standard IEC555 will impose a limit on converter, and is usually based on an SMPS
the harmonic content of the input current of mains structure. The basic functional blocks of a Power
supplied equipment. In practice this will re