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公开(公告)号:US20160043659A1
公开(公告)日:2016-02-11
申请号:US14823438
申请日:2015-08-11
Applicant: GE Energy Power Conversion Technology Ltd
Inventor: Yong XU , Fan ZHANG , Stefan SCHROEDER
Abstract: A multilevel converter comprising a first switching branch connected between a positive DC-link terminal and an AC output terminal and comprising series-connected first and second switching elements, a second switching branch connected between the AC output terminal and a negative DC-link terminal and comprising series-connected third and fourth switching elements, a third switching branch connected between a DC-link neutral point and a connection point of the first and the second switching elements, a fourth switching branch connected between the DC-link neutral point and a connection point of the third and the fourth switching elements, the fourth switching branch being completely independent from the third switching branch, and a flying capacitor connected between the connection point of the first and the second switching elements and the connection point of the third and the fourth switching elements.
Abstract translation: 一种多电平转换器,包括连接在正DC链路端子和AC输出端子之间并包括串联连接的第一和第二开关元件的第一开关支路,连接在AC输出端子和负DC链路端子之间的第二开关支路,以及 包括串联的第三和第四开关元件,连接在第一和第二开关元件的直流链路中性点和连接点之间的第三开关支路,连接在直流链路中性点和连接之间的第四开关支路 第三开关元件和第四开关元件的第一开关元件,第四开关支路完全独立于第三开关支路,以及连接在第一和第二开关元件的连接点与第三和第四开关元件的连接点之间的飞跨电容器 开关元件。
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公开(公告)号:US20170294850A1
公开(公告)日:2017-10-12
申请号:US15634150
申请日:2017-06-27
Applicant: GE Energy Power Conversion Technology Ltd
Inventor: Yong XU , Fan ZHANG , Stefan SCHROEDER
Abstract: A multilevel converter comprising a first switching branch connected between a positive DC-link terminal and an AC output terminal and comprising series-connected first and second switching elements, a second switching branch connected between the AC output terminal and a negative DC-link terminal and comprising series-connected third and fourth switching elements, a third switching branch connected between a DC-link neutral point and a connection point of the first and the second switching elements, a fourth switching branch connected between the DC-link neutral point and a connection point of the third and the fourth switching elements, the fourth switching branch being completely independent from the third switching branch, and a flying capacitor connected between the connection point of the first and the second switching elements and the connection point of the third and the fourth switching elements.
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公开(公告)号:US20160086474A1
公开(公告)日:2016-03-24
申请号:US14863908
申请日:2015-09-24
Applicant: GE Energy Power Conversion Technology Ltd
Inventor: Fan ZHANG , Richard S. ZHANG , Rui LI , Lin LAN
CPC classification number: G08B21/18 , G08B5/36 , H05B33/0806 , H05B33/0842
Abstract: An electrical device comprises indicators used to indicate the operating status of the electrical device and/or the presence of hazardous voltage within the electrical device cabinet. The indicators comprise a lighting strip mounted on the outside of the device. The lighting strip can display different colors and/or flash according to the actual status of the electrical device.
Abstract translation: 电气设备包括用于指示电气设备的操作状态和/或电气设备柜内存在危险电压的指示器。 指示器包括安装在设备外部的照明条。 照明条可以根据电气设备的实际状态显示不同的颜色和/或闪光。
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公开(公告)号:US20160315530A1
公开(公告)日:2016-10-27
申请号:US15139781
申请日:2016-04-27
Applicant: GE Energy Power Conversion Technology Ltd.
Inventor: Jun WANG , Fan ZHANG , Richard S. ZHANG , Yingqi ZHANG , Brian Eric LINDHOLM , Lin LAN , Yazhu ZHAO
Abstract: An electric coupler includes a body, a first electrical path through the body having a first resistance to electric current within a first frequency range and a second electrical path through the body having a second resistance to electric current within a second frequency range.
Abstract translation: 电耦合器包括主体,通过主体的第一电路具有在第一频率范围内的电流的第一阻力,以及穿过主体的第二电路,其具有在第二频率范围内的电流的第二阻力。
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