公开(公告)号：US09257915B2

公开(公告)日：2016-02-09

申请号：US13973661

申请日：2013-08-22

Applicant: SOCIONEXT INC.

Inventor： Hideta Oki ,  Yukinori Maekawa

IPC: H02M7/219 ,  H02M7/06 ,  H02M7/217

CPC classification number: H02M7/219 ,  H02M7/06 ,  H02M7/217

Abstract: A bridge rectifier circuit has first to fourth diode groups which are bridge-connected and each include a main diode and sub-diodes being enabled to be respectively connected in parallel to the main diode, first and second input terminals to which AC power is supplied, a first output terminal connected to the first input terminal via the first diode group and connected to the second input terminal via the second diode group, a second output terminal connected to the first input terminal via the third diode group and connected to the second input terminal via the fourth diode group, and a control circuit configured to detect a current flowing through at least one diode group and increases the number of sub-diodes connected in parallel to the main diode of the diode group through which the detected current flows in accordance with an increase in the detected current.

Abstract translation: 桥式整流电路具有桥接的第一至第四二极管组，并且每个二极管组包括主二极管和子二极管，其能够分别与主二极管并联连接，供电的电力的第一和第二输入端子， 第一输出端子，经由第一二极管组连接到第一输入端子，并且经由第二二极管组连接到第二输入端子;第二输出端子，经由第三二极管组连接到第一输入端子并连接到第二输入端子 通过第四二极管组，以及控制电路，被配置为检测流过至少一个二极管组的电流，并且增加与二极管组的主二极管并联连接的子二极管的数量，通过该二极管组的主二极管根据 检测电流增加。