-
公开(公告)号：US11502507B2
公开(公告)日：2022-11-15
申请号：US16361929
申请日：2019-03-22
Applicant: Delta Electronics,Inc.
Inventor： Peng Xiao , Hongwei Xiao , Hongjian Gan , Jianping Ying
Abstract: A ground fault detection method for a power converter is provided, including: measuring, by a voltage sensor, a first voltage and a second voltage respectively, and converting the first voltage and the second voltage into a first digital voltage signal and a second digital voltage signal; receiving, by a controller, the first digital voltage signal and the second digital voltage signal, extracting a corresponding feature quantity of the first voltage and a corresponding feature quantity of the second voltage according to the first digital voltage signal and the second digital voltage signal; and further determining a type of the ground fault of the power converter and locating a ground fault; and when the power converter has a ground fault, shutting down the power converter.
-
公开(公告)号：US20140111959A1
公开(公告)日：2014-04-24
申请号：US13839032
申请日：2013-03-15
Applicant: DELTA ELECTRONICS, INC.
Inventor： Yan Li , Hongjian Gan , Senlin Wen , Jianping Ying
IPC: H05K7/02
CPC classification number: H05K7/026 , H02M7/003 , H02M7/487 , H02M2001/348
Abstract: The present application discloses a laminated busbar arrangement for use in a three-level power converter and a power converter. The laminated busbar arrangement comprises a first layer of busbar comprising a neutral-point sub busbar congfigured to make electrical connections between respective components in the three-level power converter and a neutral-point potential; a second layer of busbar comprising a plurality of sub busbars congfigured to make electrical connections between the respective components in the three-level power converter and a positive direct current (DC) input, a negative DC input and an alternating current (AC) input/output in the three-level power converter, and between respective semiconductor switching components. The present application may effectively reduce stray inductance.
Abstract translation: 本申请公开了一种用于三电平功率转换器和功率转换器的层叠母线装置。 叠层母线装置包括第一层母线，其包括中和点副汇流排，该中间点副母线配置成在三电平功率转换器中的各个组件之间进行电连接和中性点电位; 第二层母线包括多个子母线，其被配置为在三电平功率转换器中的各个部件之间进行电连接，以及正直流（DC）输入，负DC输入和交流（AC）输入/ 输出在三电平电力转换器中，以及各个半导体开关元件之间。 本申请可以有效地减少杂散电感。
-
公开(公告)号：US09538680B2
公开(公告)日：2017-01-03
申请号：US13839032
申请日：2013-03-15
Applicant: DELTA ELECTRONICS, INC.
Inventor： Yan Li , Hongjian Gan , Senlin Wen , Jianping Ying
CPC classification number: H05K7/026 , H02M7/003 , H02M7/487 , H02M2001/348
Abstract: The present application discloses a laminated busbar arrangement for use in a three-level power converter and a power converter. The laminated busbar arrangement comprises a first layer of busbar comprising a neutral-point sub busbar configured to make electrical connections between respective components in the three-level power converter and a neutral-point potential; a second layer of busbar comprising a plurality of sub busbars configured make electrical connections between the respective components in the three-level power converter and a positive direct current (DC) input, a negative DC input and an alternating current (AC) input/output in the three-level power converter, and between respective semiconductor switching components. The present application may effectively reduce stray inductance.
Abstract translation: 本申请公开了一种用于三电平功率转换器和功率转换器的层叠母线装置。 层压母线装置包括第一层母线，其包括中性点副汇流排，其被配置为在三电平功率转换器中的各个组件之间进行电连接，以及中性点电位; 包括多个副母线的第二层母线构成在三电平功率转换器中的相应部件之间进行电连接，以及正直流（DC）输入，负DC输入和交流（AC）输入/输出 在三电平功率转换器中以及各个半导体开关元件之间。 本申请可以有效地减少杂散电感。
-
-
Search Results
3
records
(took 0.01 seconds)
