公开(公告)号：US20160141967A1

公开(公告)日：2016-05-19

申请号：US14879249

申请日：2015-10-09

Applicant: DELTA ELECTRONICS, INC.

Inventor： Chao YAN ,  Liping SUN ,  Lihao YAN

IPC: H02M3/335

CPC classification number: H02M5/14 ,  H02M1/12 ,  H02M3/33561 ,  H02M3/33576 ,  H02M7/08 ,  H02M7/10 ,  H02M2001/007 ,  H02M2001/008

Abstract: Embodiments of the present disclosure provide a direct current (DC) power supply system, comprising: a medium voltage AC switchgear, configured to distribute a medium voltage three-phase AC received from an external supply for a next stage; a phase-shift transformer serving as the next stage, coupled to the medium voltage AC switchgear, and configured to lower the medium voltage three-phase received and output four or more groups of low voltage three-phase AC; and an uncontrolled rectifying circuitry, comprising a plurality of uncontrolled rectifiers configured to receive the four or more groups of low voltage three-phase AC respectively and output a low voltage DC; wherein the four or more groups of low voltage three-phase AC have a predetermined phase difference between each other.

Abstract translation: 本公开的实施例提供了一种直流（DC）电源系统，包括：中压交流开关装置，被配置为分配从下一级的外部电源接收的中压三相AC; 用作下一级的相移变压器，耦合到中压AC开关装置，并且被配置为降低中压三相接收和输出四组或更多组低压三相AC; 以及不受控制的整流电路，包括多个不受控整流器，其被配置为分别接收所述四组或更多组低压三相AC并输出低电压DC; 其中所述四组或更多组低电压三相AC彼此之间具有预定的相位差。

公开(公告)号：US20200099289A1

公开(公告)日：2020-03-26

申请号：US16558162

申请日：2019-09-02

Applicant: Delta Electronics, Inc.

Inventor： Chao YAN ,  Liping SUN

IPC: H02M1/44

Abstract: The present disclosure provides power module, comprising at least three non-jumping power terminals at a non-jumping potential, wherein multiple power devices and at least one first capacitor are electrically connected between a first non-jumping power terminal and a second non-jumping power terminal of the at least three non-jumping power terminals; and at least one jumping power terminal at a jumping potential. A first jumping power terminal of the at least one jumping power terminal is electrically connected to one terminal of a power inductor and a third non-jumping power terminal of the at least three non-jumping power terminals is electrically connected to the other terminal of the power inductor; wherein at least one second capacitor is electrically connected between the third non-jumping power terminal and at least one of other non-jumping power terminals.