Power factor correction circuit

A power factor correction circuit comprises a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a seventh switch, a first inductance coil, a second inductance coil, a first capacitor and a second capacitor. The first switch is connected to the second switch, the third switch and the first inductance coil. The fifth switch is connected to the third switch and the second inductance coil. The sixth switch is connected to the first switch, the fourth switch and the seventh switch, and the seventh switch is further connected to the second switch, the first capacitor and the second capacitor. The second inductance coil is further connected to the fourth switch and the first capacitor. The second capacitor is connected to the fourth switch, the sixth switch and the first switch. 一种功率因数校正电路包括第一开关、第二开关、第三开关、第四开关、第五开关、第六开关、第七开关、第一电感线圈、第二电感线圈、第一电容以及第二电容。第一开关连接于第二开关、第三开关以及第一电感线圈。第五开关连接于第三开关以及第二电感线圈。第六开关连接于第一开关、第四开关以及第七开关，第七开关还连接于第二开关、第一电容以及第二电容。第二电感线圈还连接于第四开关以及第一电容。第二电容连接于第四开