Uninterruptible power supply device

    公开(公告)号:US12119704B2

    公开(公告)日:2024-10-15

    申请号:US17991254

    申请日:2022-11-21

    Applicant: ABB Schweiz AG

    CPC classification number: H02J9/061 H02J3/32 H02J7/02 H02J2207/20

    Abstract: An uninterruptible power supply device includes a rectifier module coupled to an electrical power grid, an inverter module coupled to the rectifier module, and a battery converter module. The rectifier module can process a higher amount of electric power as the designed electrical power provided by the inverter module to enable the uninterruptible power supply device to provide stabilization support to the electrical power grid, wherein the rectifier module comprises at least two rectifier submodules, each dimensioned to process an amount of electrical power according to a capability of the inverter module to process power. The rectifier module is configured to electrically couple the rectifier submodules selectable to process a higher amount of electric power as the inverter module to provide stabilization support to the electrical power grid.

    Fuel cell powered ring bus architectures

    公开(公告)号:US12113396B1

    公开(公告)日:2024-10-08

    申请号:US18182908

    申请日:2023-03-13

    Applicant: ABB Schweiz AG

    Abstract: In one aspect, a fuel cell power system is provided. The fuel cell power system includes a ring bus, a plurality of bidirectional uninterruptible power supplies (UPSs), a plurality of direct current (DC) fuel cell modules, and a plurality of bidirectional direct current to alternating current (DC-AC) power converters. Each of the plurality of UPSs is electrically coupled to at least one battery, an AC utility feed, a load, and via a choke, the ring bus. Each of the plurality of DC fuel cell modules includes one or more fuel cells coupled to a hydrogen storage. Each of the plurality of bidirectional DC-AC power converters is electrically coupled to a corresponding one of the plurality of DC fuel cell modules and a corresponding one of the plurality of bidirectional UPSs at the AC utility feed.

    FUEL CELL POWERED RING BUS ARCHITECTURES
    3.
    发明公开

    公开(公告)号:US20240313574A1

    公开(公告)日:2024-09-19

    申请号:US18182908

    申请日:2023-03-13

    Applicant: ABB Schweiz AG

    Abstract: In one aspect, a fuel cell power system is provided. The fuel cell power system includes a ring bus, a plurality of bidirectional uninterruptible power supplies (UPSs), a plurality of direct current (DC) fuel cell modules, and a plurality of bidirectional direct current to alternating current (DC-AC) power converters. Each of the plurality of UPSs is electrically coupled to at least one battery, an AC utility feed, a load, and via a choke, the ring bus. Each of the plurality of DC fuel cell modules includes one or more fuel cells coupled to a hydrogen storage. Each of the plurality of bidirectional DC-AC power converters is electrically coupled to a corresponding one of the plurality of DC fuel cell modules and a corresponding one of the plurality of bidirectional UPSs at the AC utility feed.

    Method and control to integrate fuel cells in datacenters with ring-bus architecture

    公开(公告)号:US11955835B2

    公开(公告)日:2024-04-09

    申请号:US17500553

    申请日:2021-10-13

    Applicant: ABB Schweiz AG

    CPC classification number: H02J9/062 H02J9/068 G06F1/263 H02J2300/30

    Abstract: A system includes: a ring bus; a plurality of static uninterruptible power supplies (UPSs), each static UPS of the plurality of static UPSs including: at least one battery; an input that is electrically connected to a first external electrical power source; and an output that is electrically connected to a load, and, via a first corresponding choke, to the ring bus; at least one fuel-cell interface converter (FIC) that converts direct current (DC) electrical power to alternating current (AC) electrical power, each FIC of the at least one FIC being electrically connected to the ring bus via a second corresponding choke; and a fuel cell module corresponding to and electrically connected to each FIC, the fuel cell module including a fuel cell.

    Uninterruptible Power Supply Device
    5.
    发明公开

    公开(公告)号:US20230163623A1

    公开(公告)日:2023-05-25

    申请号:US17991254

    申请日:2022-11-21

    Applicant: ABB Schweiz AG

    CPC classification number: H02J9/061 H02J3/32 H02J7/02 H02J2207/20

    Abstract: An uninterruptible power supply device includes a rectifier module coupled to an electrical power grid, an inverter module coupled to the rectifier module, and a battery converter module. The rectifier module can process a higher amount of electric power as the designed electrical power provided by the inverter module to enable the uninterruptible power supply device to provide stabilization support to the electrical power grid, wherein the rectifier module comprises at least two rectifier submodules, each dimensioned to process an amount of electrical power according to a capability of the inverter module to process power. The rectifier module is configured to electrically couple the rectifier submodules selectable to process a higher amount of electric power as the inverter module to provide stabilization support to the electrical power grid.

    METHOD FOR CONTROLLING AN UNINTERRUPTABLE POWER SUPPLY

    公开(公告)号:US20220094197A1

    公开(公告)日:2022-03-24

    申请号:US17480450

    申请日:2021-09-21

    Applicant: ABB Schweiz AG

    Abstract: The disclosure relates to a method for controlling an uninterruptable power supply and a respective computer program. The uninterruptable power supply comprises a grid connection, a grid switch connected to the grid connection, a rectifier and an inverter interconnected via a DC link, an energy storage connected to the DC link, a load connection, to which the inverter is connected, and a bypass switch, which is connected in parallel to the rectifier, the DC link and the inverter between the grid switch and the load connection, wherein the grid switch is a mechanical switch and the bypass switch is a semiconductor switch.

    Communication systems and methods in uninterruptible power supply systems

    公开(公告)号:US10742066B2

    公开(公告)日:2020-08-11

    申请号:US16018648

    申请日:2018-06-26

    Applicant: ABB Schweiz AG

    Inventor: Silvio Colombi

    Abstract: A power supply system is provided. The power supply system includes at least one uninterruptible power supply (UPS), a catcher system including at least one catcher UPS, at least one static transfer switch (STS), each STS electrically coupled between an associated UPS and an associated load, each STS further electrically coupled between the catcher system and the associated load, and each STS operable to selectively switch between supplying power to the associated load from the associated UPS and supplying power to the associated load from the catcher system. The power supply system further includes a first communications channel communicatively coupling the at least one UPS to the catcher system, and at least one second communications channel, wherein each STS is communicatively coupled to the associated UPS by a second communications channel of the at least one second communications channel.

    Systems and methods for hybrid voltage and current control in static UPS systems

    公开(公告)号:US10608428B2

    公开(公告)日:2020-03-31

    申请号:US14568632

    申请日:2014-12-12

    Applicant: ABB Schweiz AG

    Abstract: A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), each UPS of the plurality of UPSs including an inverter, a ring bus, and at least one controller communicatively coupled to the plurality of UPSs, the at least one controller configured to determine when a bridge current in at least one UPS of the plurality of UPSs reaches a predetermined bridge current limit, and modify, in response to the determination, a capacitor voltage in the inverter of the at least one UPS to reduce a DC fault current component of a load current in the inverter.

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