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

Inventor： Silvio Colombi ,  Mario Schweizer

IPC: H02J9/06 ,  H02J3/32 ,  H02J7/02

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.

公开(公告)号：US12074531B2

公开(公告)日：2024-08-27

申请号：US17840790

申请日：2022-06-15

Applicant: ABB Schweiz AG

Inventor： Mario Schweizer ,  Ivan Furlan ,  Nicola Notari

IPC: H02M1/08 ,  H02M5/458 ,  H03L7/08

CPC classification number: H02M5/458 ,  H02M1/08 ,  H03L7/08

Abstract: A converter system includes a rectifier, a DC link stage and an inverter connected in series. A control unit includes a slow reference frame angle determination unit that generates a slow reference frame angle θr,slow representing an angle that is slowly following a grid phase deviation, and a fast Phase Locked Loop generating a fast reference frame angle θr,fast representing an angle that is fast following a grid phase deviation. The control unit uses the slow reference frame angle θr,slow and the fast reference frame angle θr,fast to control the rectifier output current, and the fast reference frame angle θr,fast to control the inverter output voltage and to synchronize the inverter output voltage with the grid voltage.

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

Inventor： Silvio Colombi ,  Mario Schweizer

IPC: H02J9/06 ,  H02J3/32 ,  H02J7/02

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.

公开(公告)号：US20230083355A1

公开(公告)日：2023-03-16

申请号：US17943693

申请日：2022-09-13

Applicant: ABB Schweiz AG

Inventor： Hemant Bishnoi ,  Sami Pettersson ,  Mario Schweizer ,  Daniel Christen ,  Gernot Riedel

IPC: H02M1/32 ,  H02M7/483 ,  H02M1/36

Abstract: A system and method for compensating a faulty switch in a multi-level flying capacitor converter includes a converter capacitor arranged in parallel to an input, a first and second converter switches arranged respectively between first and second ends of the converter capacitor, first and second bypass switches respectively arranged in parallel to the first and second converter switches, wherein operation includes detecting a faulty converter level that includes at least one of the first and second converter switches, discharging all capacitors arranged in parallel to the input of the multi-level converter, wherein all capacitors comprise the converter capacitors and an input capacitor; closing the first and second bypass switches of the faulty converter level; adapting a modulation of the converter switches of the other converter levels; and restarting the multi-level converter.

公开(公告)号：US20230042964A1

公开(公告)日：2023-02-09

申请号：US17789586

申请日：2020-12-17

Applicant: ABB Schweiz AG

Inventor： Ioannis Tsoumas ,  Tobias Geyer ,  Mario Schweizer ,  Eduardo Rohr ,  Frederick Kieferndorf ,  Wim Van-der-Merwe ,  Manuel Vetterli ,  Christian Meier

IPC: H02M7/487 ,  H02M7/5395 ,  H02M1/12

Abstract: Described herein is a method of operating a power electronic converter device for an electrical power conversion system. The power electronic converter device includes a converter circuit including an input side, an output side, a first converter, and at least one second converter. The second converter includes at least one floating cell with a DC intermediate circuit and semiconductor devices. The method includes: switching the semiconductor devices of the floating cell at switching instants determined with optimized pulse patterns or carrier-based pulse width modulation; determining a fundamental voltage component for the floating cell; and generating the fundamental voltage component in the actual voltage of the floating cell by modifying the switching instants, such that a voltage VC AF of the DC intermediate circuit is lying in a given reference voltage range for balancing the DC intermediate circuit of the floating cell.

公开(公告)号：US20220416686A1

公开(公告)日：2022-12-29

申请号：US17902865

申请日：2022-09-04

Applicant: ABB Schweiz AG

Inventor： Daniel Christen ,  Mario Schweizer ,  Hemant Bishnoi ,  Sami Pettersson

IPC: H02M7/483 ,  H02M7/00 ,  H02M7/493

Abstract: A flying capacitor switching cell-system includes at least two flying capacitor switching cells, wherein each of the cells comprises an arrangement of at least one semiconductor system, and wherein the cells are in parallel in an electrical circuit.

公开(公告)号：US20220216803A1

公开(公告)日：2022-07-07

申请号：US17601312

申请日：2020-03-03

Applicant: ABB Schweiz AG

Inventor： Mario Schweizer ,  Tobias Geyer ,  Ioannis Tsuomas

IPC: H02M7/487 ,  H02M1/00

Abstract: An electrical converter (10) comprises a main converter (12) for generating a first output voltage (u1abc) and a converter cell (14a) for converting the first output voltage (u1abc) into a second output voltage (u2abc). A method for operating an electrical converter (10) comprises: receiving a reference voltage (v*abc) for the electrical converter (10); pulse width modulating the reference voltage (v*abc) with a first modulation frequency for generating a first switching signal (s1abc) for the main converter (12); switching the main converter (12) with the first switching signal (s1abc) to generate the first output voltage (u1abc); estimating the first output voltage (v1abc) from the first switching signal (s1abc); determining a voltage error (v*2abc) by subtracting the estimated first output voltage (v1abc) from the reference voltage (v*abc); pulse width modulating the voltage error (v*2abc) with a second modulation frequency, which is higher than the first modulation frequency, for generating a further switching signal (s2abc, s3abc) for the converter cell (14a); and switching the converter cell (14a) with the further switching signal (s2abc, s3abc) to generate the second output voltage (u2abc).

公开(公告)号：US20190190272A1

公开(公告)日：2019-06-20

申请号：US16273573

申请日：2019-02-12

Applicant: ABB Schweiz AG

Inventor： Ki-Bum Park ,  Thiago Batista Soeiro ,  Mario Schweizer ,  Silvia Mastellone

IPC: H02J3/38 ,  H02S40/32 ,  H02M3/335

CPC classification number: H02J3/383 ,  H02M3/33523 ,  H02S40/32 ,  Y02E10/563

Abstract: An inverter system for a photovoltaic panel includes: an inverter adapted for transforming a DC voltage from the photovoltaic panel into an AC voltage to be supplied to an electrical grid; a DC link interconnected with the inverter and providing a positive DC link output connectable to a positive pole of the photovoltaic panel and a negative DC link output connectable to a negative pole of the photovoltaic panel; a switch for disconnecting the negative pole of the photovoltaic panel from the DC link; and a controller for controlling the inverter and the switch; wherein the controller is adapted for opening the switch, such that the photovoltaic panel is solely supplyable by the positive DC link output.