POWER CONDITIONING AND UPS MODULES
    1.
    发明申请
    POWER CONDITIONING AND UPS MODULES 审中-公开
    电源调节和UPS模块

    公开(公告)号:WO2017134293A1

    公开(公告)日:2017-08-10

    申请号:PCT/EP2017/052506

    申请日:2017-02-06

    Applicant: ABB SCHWEIZ AG

    CPC classification number: H02J9/062 H02J2009/063 H02M5/4585 Y02B70/1483

    Abstract: The present invention provides a power conditioning module (10) for connection between an AC power supply (16) and a load (24), comprising an AC power supply input (14) for connection to the AC power supply (16), whereby the AC power supply input (14) receives a first reference (42) from the AC power supply (16), a split DC link (18) with its midpoint (26) connected to a second reference (44), a power output (22) for connection to the load (24), whereby the power output (22) receives a third reference (46) from the load (24), a first converter (34) connected between the AC power supply input (14) and the split DC link (18), whereby the first converter (34) is provided to power the split DC link (18) from the AC power supply (16), a second converter (36) connected between positive and negative halves (28, 30) of the split DC link (18) and the midpoint (26), whereby the second converter (36) is provided to transfer energy between the DC link halves (28, 30), a third converter (38) connected between the split DC link (18) and the power output (22), whereby the third converter (38) is provided to power the load (24) from the split DC link (18), whereby the first, second, and third converters (34, 36, 38) enable bi-directional energy flow between at least one of the two halves (28, 30) of the split DC link (18) and the first, second or third reference (42, 44, 46), respectively, and at least one or multiple semiconductor switching devices (84, 86) of at least one of the first, second and third converter (34, 36, 38) are provided as wide band gap semiconductor switching devices (84, 86), whereby the semiconductor switching devices (84, 86) comprise controlled and/or uncontrolled semiconductor switching devices (84, 86) in an at least three-level configuration.

    Abstract translation: 本发明提供了一种用于AC电源(16)和负载(24)之间的连接的功率调节模块(10),其包括用于连接到AC的AC电源输入端(14) 其中交流电源输入端(14)接收来自交流电源(16)的第一基准电压(42),中间点(26)与第二基准电压源(16)相连的分离式直流中间电路(18) 用于连接到所述负载(24)的功率输出(22),其中所述功率输出(22)从所述负载(24)接收第三参考(46);第一转换器(34),连接在所述AC功率 (14)和所述分离式直流环节(18),其中所述第一转换器(34)被提供以从所述交流电源(16)向所述分离式直流链路(18)供电,第二转换器(36) 和分开的直流链路(18)和中点(26)的负半部(28,30),由此提供第二转换器(36)以在直流链路半部(28,30)之间传递能量,第三转换器 (18)与所述动力输出部(22)之间连接的第一转换器(38),从而所述第三转换器(38)被提供以从所述分离式直流链路(18)向所述负载(24)供电,由此所述第一, 第二和第三转换器(34,36,38)使得能够在分离式直流链路(18)的两个半部(28,30)中的至少一个与第一,第二或第三参考(42,43)之间的双向能量流动, 以及第一,第二和第三转换器(34,36,38)中的至少一个的至少一个或多个半导体开关器件(84,86)被设置为宽带隙半导体开关器件( 其中半导体开关器件(84,86)包括至少三级配置的受控和/或非受控半导体开关器件(84,86)。

    UNINTERRUPTIBLE POWER SUPPLY, UPS, FOR CONNECTING A MULTIPHASE LOAD TO AN AC SOURCE AND A DC SOURCE

    公开(公告)号:WO2021048295A1

    公开(公告)日:2021-03-18

    申请号:PCT/EP2020/075360

    申请日:2020-09-10

    Applicant: ABB SCHWEIZ AG

    Abstract: The invention relates to a method for operating an uninterruptible power supply, UPS, (1, N) for connecting a load (2) to an AC source (3) and a DC source (4), the UPS (1, N) comprising a first converter assembly (5) comprising at least two first converters (6) connected on a first side to the AC source (3) and on a second side to a split DC link (7) comprising two halves with a midpoint reference (8), a second converter assembly (9) comprising a second converter (10) connected on a first side to the DC link (7) and on a second side to the load (2), a third converter assembly (11) comprising a third converter (12) connected on a first side to the DC source (4) and on second side to the DC link (7), a first controlled device (15) configured for disconnecting at least two of the first converters (6) from the AC source (3), and a second controlled device (16) configured for connecting at least two of the first converters (6) together, and comprising the step of: Opening the first controlled device (15), and closing the second controlled device (16) such that the first converter assembly (5) transfers energy between the split DC link halves (8) to maintain voltage regulation of the DC link (7) in respect to the midpoint reference (8).

    GROUND FAULT DETECTION OF UPS BATTERY
    3.
    发明申请

    公开(公告)号:WO2019011848A1

    公开(公告)日:2019-01-17

    申请号:PCT/EP2018/068525

    申请日:2018-07-09

    Applicant: ABB SCHWEIZ AG

    Abstract: The present invention provides a method for detecting a ground fault (60) in a battery (22) of a uninterrupted power supply (10, 40), the battery (22) comprises at least one string (26) with multiple battery cells, the method comprising the steps of defining multiple individual battery blocks (28) of battery cells along the at least one string (26), performing an reference impedance measurement for the multiple individual battery blocks (28) at a first point of time, performing a verification impedance measurement for the multiple individual battery blocks (28) at a second point of time, evaluating a change of measured impedance between the reference impedance and the verification impedance for the multiple individual battery blocks (28) of the at least one string (26), and identifying a ground fault (60) based on a correlated change of measured impedance of the multiple individual battery blocks (28) along the at least one string (26). The present invention also provides a battery management system (36) for managing a battery (22) of a uninterrupted power supply (10, 40), which is adapted to perform the above method. The present invention further provides a UPS device (10) and a UPS system (40), each of which comprising an above battery management system (36).

    AN UNINTERRUPTIBLE POWER SUPPLY ARRANGEMENT FOR SUBSEA APPLICATIONS

    公开(公告)号:WO2022058279A1

    公开(公告)日:2022-03-24

    申请号:PCT/EP2021/075096

    申请日:2021-09-13

    Applicant: ABB SCHWEIZ AG

    Abstract: The invention relates to an uninterruptible power supply, UPS, arrangement (10, 110, 210, 211) for subsea applications, comprising a container (20, 120) arranged and configured for subsea operation, and the following main modules (30, 130) arranged inside said container: at least one battery module (40, 42, 140) of a predetermined battery capacity; at least one UPS module (50, 52, 54, 150, 500) governing the battery module, the UPS module having a predetermined UPS capacity; at least one control module (60, 62, 160) configured for interfacing and managing the battery module and the UPS module. The UPS arrangement is arranged and configured to vary its overall capacity based on at least the number of battery and UPS modules, wherein the at least one battery module and the at least one UPS module are internally arranged such that the heat losses from the UPS module are used to heat the battery module.

    POWER SUPPLY SYSTEM, AND UNINTERRUPTIBLE POWER SUPPLY INCLUDING A POWER SUPPLY SYSTEM

    公开(公告)号:WO2021019090A1

    公开(公告)日:2021-02-04

    申请号:PCT/EP2020/071713

    申请日:2020-07-31

    Applicant: ABB SCHWEIZ AG

    Abstract: A power supply system (10) comprises an AC input (101), an AC output (103), and a DC input (102); a DC intermediate circuit (150); a first converter (210) connected, via a first bistable switching circuit (310), between the AC input (101) and the DC intermediate circuit (150); a second converter (220) connected, via a second bistable switching circuit (320), between the DC intermediate circuit (110) and the AC output (103); a third converter (230) connected, via a third bistable switching circuit (330, 331), between the DC input (102-1, 102-2) and the DC intermediate circuit (150); a bypass circuit (250) connected, via a bypass bistable switching circuit (350), between the AC input (101) and the AC output (103) and configured to provide a bypassing path from the AC input (101) to the AC output (103); and a control unit (500) configured to control an operation mode out of a plurality of operation modes of the power supply system, wherein in each operation mode of the plurality of operation modes, at least one of the bistable switching circuits (310, 320, 330, 331 350) is in a galvanically isolated state.

    MONITORING A UPS BATTERY
    6.
    发明申请

    公开(公告)号:WO2018146174A1

    公开(公告)日:2018-08-16

    申请号:PCT/EP2018/053128

    申请日:2018-02-08

    Applicant: ABB SCHWEIZ AG

    CPC classification number: G01R31/389 G01R31/3842 G01R31/392 G01R31/396

    Abstract: The present invention provides a method for monitoring a battery (22) connected to a UPS device (10), the UPS device (10) comprising a central DC link (12), a power supply side AC/DC converter (14), a power supply side DC/DC converter (16), and a load side output converter (18), whereby all converters (14, 16, 18) are connected to the DC link (12), and the DC/DC converter (16) is connected to the battery (22) at its power supply side, comprising the steps of generating at least one current pulse (42) through the battery (22) using the DC/DC converter (16), measuring a voltage and current across the battery (22) as response to the at least one current pulse (42), and determining at least one battery parameter based on the voltage and current measured across the battery (22) as response to the at least one current pulse (42). The present invention also provides a UPS device (10) comprising a central DC link (12), a power supply side AC/DC converter (14), a power supply side DC/DC converter (16), and a load side output converter (18), whereby all converters (14, 16, 18) are connected to the DC link (12), and the DC/DC converter (16) is connected to the battery (22) at its power supply side, wherein the UPS device (10) is adapted to perform the above method.

    CONVERTER SYSTEM
    8.
    发明公开
    CONVERTER SYSTEM 审中-公开

    公开(公告)号:EP4106174A1

    公开(公告)日:2022-12-21

    申请号:EP21180063.6

    申请日:2021-06-17

    Applicant: ABB Schweiz AG

    Abstract: The invention relates to a converter system (100) comprising a rectifier (106) that is configured to receive a grid voltage, a DC link stage (108) that is configured to receive an output voltage of the rectifier (106) and to provide a DC link voltage for an inverter (110), and the inverter (110) that is configured to receive the DC link voltage from the DC link stage (108) and to generate an output voltage. The rectifier (106), the DC link stage (108) and the inverter (110) are connected in series. The converter system (100) comprises further a control unit (200) with a slow reference frame angle determination unit (202) that is configured to generate a slow reference frame angle θ r,slow representing an angle that is slowly following a grid phase deviation, and with a fast Phase Locked Loop (PLL 208) that is configured to generate a fast reference frame angle θ r,fast representing an angle that is fast following a grid phase deviation. The control unit (200) is further configured to use the slow reference frame angle θ r,slow and the fast reference frame angle θ r,fast to control the rectifier output current, and to use the fast reference frame angle θ r,fast to control the inverter output voltage and to synchronize the inverter output voltage with the grid voltage.

    POWER SUPPLY DEVICE FOR POWERING A POWER LINE

    公开(公告)号:EP3932732A1

    公开(公告)日:2022-01-05

    申请号:EP20184008.9

    申请日:2020-07-03

    Applicant: ABB Schweiz AG

    Abstract: A power supply device for powering a power line is described. The power supply device includes a synchronization module having a receiver configured for receiving a clock signal from a satellite-based positioning system and an oscillator configured for generating a periodic signal synchronized to the received clock signal. The power supply device further includes an inverter module having an inverter configured for supplying an AC voltage to the power line, the inverter module being configured for receiving the periodic signal from the synchronization module and for controlling the inverter using the received periodic signal as a synchronization reference signal for the supplied AC voltage. The power supply device further includes a power exchange control module configured for: monitoring an active power flow P from the inverter module to the power line, determining whether the active power flow P satisfies a reverse-flow condition, and in case the reverse-flow condition is determined, adapting at least one of a phase and an output voltage of the supplied AC voltage.

    A POWER SUPPLY SYSTEM, AND AN UNINTERRUPTIBLE POWER SUPPLY INCLUDING THE POWER SUPPLY SYSTEM

    公开(公告)号:EP3772154A1

    公开(公告)日:2021-02-03

    申请号:EP19189441.9

    申请日:2019-07-31

    Applicant: ABB Schweiz AG

    Abstract: A power supply system (10) comprises an AC input (101), an AC output (103), and a DC input (102); a DC intermediate circuit (150); a first converter (210) connected, via a first toggle switch circuit (310), between the AC input (101) and the DC intermediate circuit (150); a second converter (220) connected, via a second toggle switch circuit (320), between the DC intermediate circuit (110) and the AC output (103); a third converter (230) connected, via a third toggle switch circuit (330, 331), between the DC input (102-1, 102-2) and the DC intermediate circuit (150); a bypass circuit (250) connected, via a bypass toggle switch circuit (350), between the AC input (101) and the AC output (103) and configured to provide a bypassing path from the AC input (101) to the AC output (103); and a control unit (500) configured to control an operation mode out of a plurality of operation modes of the power supply system, wherein in each operation mode of the plurality of operation modes, at least one of the toggle switch circuits (310, 320, 330, 331 350) is in a galvanically isolated state.

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