公开(公告)号：US09467041B2

公开(公告)日：2016-10-11

申请号：US14404971

申请日：2013-06-21

Applicant: ZTE Corporation

Inventor： Yundong Yang ,  Dacheng Zheng ,  Qiong Wu ,  Jingsi Wang ,  Zhirong Cheng ,  Hong Wang

IPC: G05F1/00 ,  H02M3/04 ,  H02M3/157 ,  H02M3/158 ,  H02M1/00

CPC classification number: H02M3/04 ,  H02M3/157 ,  H02M3/1584 ,  H02M2001/0009

Abstract: Provided are a digital current equalizing device, an analog current equalizing device, a current equalizing method and a system. The digital current equalizing device comprises: an output current sampling amplifying module (102), a digital processing module (104), and a main power frequency conversion module (106). An input terminal of the output current sampling amplifying module (102) connects to an output loop of a power supply, and an output terminal of the output current sampling amplifying module (102) connects to a current equalizing bus through a resistor R0, wherein the digital processing module (104) is configured to adjust an output voltage reference signal Vr according to a difference between an output voltage signal V2 of the output current sampling amplifying module (102) and an voltage signal Vbus of the current equalizing bus, and the main power frequency conversion module (106) is controlled to adjust the voltage according to the adjusted output voltage reference signal Vr′. The technical solution is easy to implement and can improve the reliabilities of each power supply module and the whole power supply system.

公开(公告)号：US20150130426A1

公开(公告)日：2015-05-14

申请号：US14404971

申请日：2013-06-21

Applicant: ZTE Corporation

Inventor： Yundong Yang ,  Dacheng Zheng ,  Qiong Wu ,  Jingsi Wang ,  Zhirong Cheng ,  Hong Wang

IPC: H02M3/04

CPC classification number: H02M3/04 ,  H02M3/157 ,  H02M3/1584 ,  H02M2001/0009

Abstract: Provided are a digital current equalizing device, an analog current equalizing device, a current equalizing method and a system. The digital current equalizing device comprises: an output current sampling amplifying module (102), a digital processing module (104), and a main power frequency conversion module (106). An input terminal of the output current sampling amplifying module (102) connects to an output loop of a power supply, and an output terminal of the output current sampling amplifying module (102) connects to a current equalizing bus through a resistor R0, wherein the digital processing module (104) is configured to adjust an output voltage reference signal Vr according to a difference between an output voltage signal V2 of the output current sampling amplifying module (102) and an voltage signal Vbus of the current equalizing bus, and the main power frequency conversion module (106) is controlled to adjust the voltage according to the adjusted output voltage reference signal Vr′. The technical solution is easy to implement and can improve the reliabilities of each power supply module and the whole power supply system.

Abstract translation: 提供数字电流均衡装置，模拟电流均衡装置，电流均衡方法和系统。 数字电流均衡装置包括：输出电流采样放大模块（102），数字处理模块（104）和主电力变频模块（106）。 输出电流采样放大模块（102）的输入端连接到电源的输出回路，输出电流采样放大模块（102）的输出端通过电阻R0连接到电流均衡总线，其中， 数字处理模块（104）被配置为根据输出电流采样放大模块（102）的输出电压信号V2和电流均衡总线的电压信号Vbus之间的差调整输出电压参考信号Vr， 控制电力变频模块（106），根据调整后的输出电压参考信号Vr'来调整电压。 该技术解决方案易于实施，可以提高每个电源模块和整个电源系统的可靠性。