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1. 发明公开

EP3282570A1 HIGH STEP DOWN DC/DC CONVERTER 审中-公开
标题翻译：高降压DC / DC转换器
公开(公告)号：EP3282570A1
公开(公告)日：2018-02-14
申请号：EP17184166.1
申请日：2017-08-01
申请人： Schneider Electric IT Corporation
发明人： Chen, Hui-Jung , Chiang, Hsuang-Chang
IPC分类号： H02M3/07 , H02M3/158 , H02M1/00
CPC分类号： H02M3/158 , H02M1/4208 , H02M3/07 , H02M2001/0048 , Y02B70/126 , Y02B70/1425 , Y02B70/1491
摘要： According to one aspect, embodiments herein provide a DC-DC converter system comprising a plurality of switches configured to receive input DC power having a DC voltage level from a DC voltage source, a first capacitor coupled to the plurality of switches, a second capacitor coupled to the plurality of switches, and a controller configured to operate the plurality of switches such that in a first mode, voltage across the first capacitor is at a level equal to substantially half of the DC voltage level of the input DC power, in a second mode, voltage across the second capacitor is at a level equal to substantially half of the DC voltage level of the input DC power, and an output voltage level of DC power at an output is stepped down, by a voltage step down ratio, in relation to the DC voltage level of the input DC power.
摘要翻译：根据一个方面，本文的实施例提供了一种DC-DC转换器系统，其包括配置成从DC电压源接收具有DC电压电平的输入DC电力的多个开关，耦合到所述多个开关的第一电容器，耦合到第二电容器的第二电容器所述控制器被配置为操作所述多个开关，使得在第一模式中，所述第一电容器两端的电压处于等于所述输入DC功率的DC电压电平的大致一半的电平，以第二模式模式中，第二电容器两端的电压处于大致等于输入DC电力的DC电压电平的一半的电平，并且输出处的DC电力的输出电压电平降低一个电压降低比率到输入DC电源的DC电压电平。

2. 发明公开

EP3282571A1 POWER CONVERTER WITH EXTENDED HOLD-UP TIME 有权转让
标题翻译：具有延长保持时间的电力转换器
公开(公告)号：EP3282571A1
公开(公告)日：2018-02-14
申请号：EP17184171.1
申请日：2017-08-01
申请人： Schneider Electric IT Corporation
发明人： Chen, Hui-Jung , Klikic, Damir , Lee, Kuo-Liang , Chiang, Hsuang-Chang
IPC分类号： H02M3/337 , H02M7/217 , H02J7/34 , H02J9/06 , H02M1/00 , H02M1/32
CPC分类号： H02M3/33507 , H02J9/06 , H02M1/08 , H02M3/33569 , H02M3/337 , H02M3/3372 , H02M3/3376 , H02M3/3378 , H02M7/217 , H02M2001/0009 , H02M2001/0096 , H02M2001/325
摘要： According to one aspect, embodiments herein provide an AC-DC converter comprising a rectifier, a capacitor, a DC bus coupled to the capacitor, a plurality of first switches coupled to the DC bus, a plurality of second switches coupled between the rectifier and the first switches, a transformer having a primary winding and a secondary winding, the primary winding coupled to the plurality of first switches, the plurality of second switches, and the rectifier, and the secondary winding coupled to an output, and a controller configured, in response to a determination that the input AC power is acceptable, to operate the plurality of second switches and the plurality of first switches such that output DC voltage is maintained at a desired output DC voltage level, and operate the plurality of first switches such that a DC bus voltage on the DC bus is maintained at a desired DC bus voltage level.
摘要翻译：根据一个方面，本文的实施例提供了一种AC-DC转换器，其包括整流器，电容器，耦合到电容器的DC总线，耦合到DC总线的多个第一开关，耦合在整流器和第一开关;具有初级绕组和次级绕组的变压器，所述初级绕组耦合到所述多个第一开关，所述多个第二开关和所述整流器，并且所述次级绕组耦合到输出;以及控制器，响应于确定所述输入AC电力是可接受的，操作所述多个第二开关和所述多个第一开关，使得输出DC电压保持在期望的输出DC电压电平，并且操作所述多个第一开关，使得a 直流母线上的直流母线电压保持在所需的直流母线电压水平。

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