公开(公告)号：JP2014036573A

公开(公告)日：2014-02-24

申请号：JP2013163155

申请日：2013-08-06

Applicant: Merstech Inc ,  株式会社MERSTech

Inventor： SHIMADA RYUICHI ,  ISOBE TAKANORI ,  KATO KYOHEI ,  YONEDA KEI

IPC: H02M7/12

CPC classification number: Y02B70/1491

Abstract: PROBLEM TO BE SOLVED: To provide a small-sized and low-loss rectifier circuit capable of improving power factor.SOLUTION: Power outputted from an AC power supply AC is caused to be stored in inductors L1 and L2 as magnetic energy via a switch SW1 (or SW2) in an on-state. When the switch SW1 (or SW2) is turned off, the magnetic energy is stored in a capacitor CM as electrostatic energy. The electrostatic energy in the capacitor CM is discharged to a load, after the completion of the discharging, the switch SW1 (or SW2) is turned on again. The on/off frequency and on-time of the switch are constant, thereby achieving current sensor-less and ideal PFC.

Abstract translation: 要解决的问题：提供能够提高功率因数的小型和低损耗整流电路。解决方案：通过开关SW1将从交流电源AC输出的电力作为磁能存储在电感器L1和L2中 （或SW2）处于导通状态。 当开关SW1（或SW2）关闭时，磁能作为静电能量存储在电容器CM中。 电容器CM中的静电能量被放电到负载，在放电完成之后，开关SW1（或SW2）再次导通。 开关的开/关频率和导通时间是恒定的，从而实现无电流传感器和理想的PFC。