-
公开(公告)号：US20230396145A1
公开(公告)日：2023-12-07
申请号：US18451914
申请日：2023-08-18
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Peng SHUAI , Zhuyong HUANG , Xiaofei ZHANG
CPC classification number: H02M1/0074 , H02M5/12
Abstract: A solid-state transformer, a power supply device, and a data center, related to the field of power technologies, to resolve problems of low power density and high manufacturing costs of the solid-state transformer. The solid-state transformer includes a housing and M power conversion units. The M power conversion units include a first power conversion circuit, a high-frequency transformer, and a second power conversion circuit, and the first power conversion circuit is coupled to the second power conversion circuit by using the high-frequency transformer. The housing has an insulation base and a conductive enclosure, the conductive enclosure is sleeved on an outer surface of the insulation base. The insulation base has an accommodating cavity, and in the M power conversion units, at least first power conversion circuits are disposed in the accommodating cavity at intervals, where M is an integer greater than 1.
-
公开(公告)号：US20230154672A1
公开(公告)日：2023-05-18
申请号：US17987239
申请日：2022-11-15
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Zelong ZHANG , Zhuyong HUANG , Xiaoqing HU , Qunyou ZHANG , Wen ZHAO
Abstract: This application relates to a transformer and power equipment. The transformer includes: a low-voltage coil; a high-voltage coil; a magnetic core, where at least a part of the magnetic core is penetrated through the low-voltage coil and the high-voltage coil; an insulation member with a ground plane disposed on an outer surface of the insulation member; and a voltage uniform layer. The insulation member is wrapped around the high-voltage coil, so that the high-voltage coil is insulated from the low-voltage coil and the magnetic core, heat dissipation of the high-voltage coil, low-voltage coil and the magnetic core can be facilitated, and a service life of the transformer can be prolonged. A structure of the transformer is simplified, so that installation and maintenance of the low-voltage coil and the magnetic core can be facilitated, and processing and maintenance costs of the transformer can be reduced.
-
公开(公告)号：US20220413018A1
公开(公告)日：2022-12-29
申请号：US17850459
申请日：2022-06-27
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Zhuyong HUANG , Xiaofei ZHANG , Peng SHUAI
Abstract: This application provides a voltage sampler and a solid-state transformer. The voltage sampler includes a conductive housing, at least one sampling board located inside the housing, and a conducting layer. Each sampling board includes at least two resistors and a voltage input end. The resistors in the sampling board are electrically connected in sequence in the direction from a first end to a second end. The resistor at the first end is electrically connected to the voltage input end. The resistor at the second end is electrically connected to the housing, and the housing is electrically connected to a fixed potential end. The conducting layer is disposed between the at least one sampling board and the housing in the voltage sampler. The conducting layer is electrically connected to a resistor in the sampling board.
-
公开(公告)号：US20220326754A1
公开(公告)日：2022-10-13
申请号：US17852527
申请日：2022-06-29
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Zhuyong HUANG , Xiaofei ZHANG
Abstract: This application provides a power supply method for a data center. The data center includes a first device and at least one second device, an importance of a first service in the first device is higher than an importance of a second service in the at least one second device, and the second service in the at least one second device is transferable. A power supply apparatus includes a first uninterruptible power supply UPS and a second UPS, the first UPS is configured to control a first power source and a first energy storage apparatus to supply power to the first device, and the second UPS is configured to control the first power source and a second energy storage apparatus to supply power to the at least one second device.
-
公开(公告)号：US20250070545A1
公开(公告)日：2025-02-27
申请号：US18947432
申请日：2024-11-14
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Junpeng KANG , Bo XIAO , Wenhai YAO , Zhuyong HUANG
Abstract: An overcurrent protection circuit of a power supply system and a power conversion apparatus. In embodiments, only one overcurrent protection hardware circuit needs to be disposed, so that when a fault occurs in the power supply system, a type of the fault can be identified, and corresponding protection can be performed. This improves reliability of the power supply system.
-
Patent Agency Ranking
公开(公告)号：US20220392692A1
公开(公告)日：2022-12-08
申请号：US17830908
申请日：2022-06-02
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Zhuyong HUANG , Xiaofei ZHANG , Xiaoqing HU , Zelong ZHANG , Peng SHUAI
Abstract: This application provides a dry-type transformer and a winding method thereof. The dry-type transformer includes a magnetic core, a first coil, a second coil, and a shielding component. The first coil is disposed around the exterior of the magnetic core, and the second coil is disposed around the exterior of the first coil. In a direction from the iron core to the second coil, the shielding component includes a first conducting layer, a second conducting layer, a third conducting layer, and a fourth conducting layer that are sequentially disposed at intervals, the first coil is disposed between the magnetic core and the first conducting layer, and the second coil is disposed between the second conducting layer and the third conducting layer.
-
7.发明申请公开(公告)号：US20220181964A1
公开(公告)日：2022-06-09
申请号：US17544690
申请日：2021-12-07
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Zhuyong HUANG , Xiaofei ZHANG , Peng SHUAI , Peiguo LIU
Abstract: Embodiments of this application provide a power conversion circuit. The power conversion circuit includes at least one first power conversion unit connected in series to a first phase line, at least one second power conversion unit connected in series to a second phase line, at least one third power conversion unit connected in series to a third phase line, a plurality of first start circuits connected in series to the first phase line, and a plurality of second start circuits connected in series to the second phase line. Each first start circuit includes a first relay and a first resistor that are connected in parallel, and first relays in all the first start circuits are sequentially closed after the power conversion circuit is powered on, to start the power conversion circuit. Each second start circuit includes a second relay and a second resistor that are connected in parallel.
-
公开(公告)号：US20240186799A1
公开(公告)日：2024-06-06
申请号：US18428259
申请日：2024-01-31
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Biao REN , Zhuyong HUANG
IPC: H02J4/00
CPC classification number: H02J4/00
Abstract: A power unit and a solid-state transformer supply power to a control module in the power unit by using a first subsidiary power supply circuit and a second subsidiary power supply circuit and improve operation reliability of the power unit. The power unit may include the first subsidiary power supply circuit and a first power circuit. The first power circuit includes an alternating current/alternating current power main circuit and a first control module. The alternating current/alternating current power main circuit is coupled to a grid power supply system to supply power to the alternating current/alternating current power main circuit through the grid power supply system. An input end of the first subsidiary power supply circuit is coupled to a bus of the alternating current/alternating current power main circuit. An output end of the first subsidiary power supply circuit is coupled to the first control module.
-
公开(公告)号：US20230396063A1
公开(公告)日：2023-12-07
申请号：US18344963
申请日：2023-06-30
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Xiaofei ZHANG , Peiguo LIU , Zhuyong HUANG , Zhen QIN , Bifei YANG , Kelei LIU
CPC classification number: H02J1/102 , H02J3/36 , H02J9/061 , H02J2310/16
Abstract: A power supply and distribution system for a data center. The power supply and distribution system for a data center includes a plurality of SST power supply systems. Each of the plurality of SST power supply systems includes a rectifier module that performs voltage reduction and rectification by using an SST and an energy storage apparatus connected to the rectifier module. The plurality of SST power supply systems are in a one-to-one correspondence with a plurality of cabinet units, and each of the plurality of cabinet units is configured to deploy an SST power supply system corresponding to the cabinet unit. The rectifier module in each of the plurality of SST power supply systems receives electric energy through a medium-voltage bus.
-
公开(公告)号：US20220269325A1
公开(公告)日：2022-08-25
申请号：US17735608
申请日：2022-05-03
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Zhuyong HUANG , Xiaofei ZHANG , Zhengdong JIANG
Abstract: Embodiments of this application disclose a power supply apparatus, a power supply system, and a data center designed to reduce the number of power conversion steps, equipment costs, and circuit loss. The power supply apparatus includes: a solid-state transformer configured to convert an alternating current into a first direct current; a first direct current/direct current converter, coupled to the solid-state transformer and configured to convert the first direct current into a second direct current; an energy storage component, coupled to the first direct current/direct current converter and configured to perform energy storage on the second direct current; and a second direct current/direct current converter, coupled to the first direct current/direct current converter and configured to convert the second direct current into a third direct current, where the third direct current is used to supply power to a load.
-
-
-
-
-
-
-
-
-
Search Results
10
records
(took 0.016 seconds)
