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公开(公告)号：EP3410592B1
公开(公告)日：2019-12-25
申请号：EP18175153.8
申请日：2018-05-30
Applicant: ABB Schweiz AG
Inventor： Drofenik, Uwe , Brem, Franziska , Canales, Francisco
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公开(公告)号：EP3410592A1
公开(公告)日：2018-12-05
申请号：EP18175153.8
申请日：2018-05-30
Applicant: ABB Schweiz AG
Inventor： Drofenik, Uwe , Brem, Franziska , Canales, Francisco
Abstract: A converter cell (18) for a modular converter (10) comprises at least one power semiconductor switch (34) for switching a cell current through the converter cell (18); a cell capacitor (24) interconnected with the at least one power semiconductor switch (34), such that the cell capacitor (24) is loadable by the cell current; a controller (40) for switching the at least one power semiconductor switch (34), wherein the controller (40) is supplyable with auxiliary power from the cell capacitor (24); and a photovoltaic cell (28) for providing initial and/or further auxiliary power to the controller.
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公开(公告)号：EP3796528A1
公开(公告)日：2021-03-24
申请号：EP19198713.0
申请日：2019-09-20
Applicant: ABB Schweiz AG
Inventor： Drofenik, Uwe , Gradinger, Thomas Bernhard , Canales, Francisco
Abstract: A DC/DC converter comprises a first DC link, preferably a first DC link capacitor; a first plurality of N>1 converter bridges connected in parallel to the first DC link; and a transformer, preferably a medium frequency transformer, having a primary side and a secondary side; wherein the primary side comprising at least one primary winding. In accordance with the invention, the converter further comprises a first plurality of N impedance elements, wherein for each converter bridge, a different one from the first plurality of impedance elements is connected between said converter bridge and the at least one primary winding.
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4.发明公开
公开(公告)号：EP4459855A1
公开(公告)日：2024-11-06
申请号：EP23171631.7
申请日：2023-05-04
Applicant: ABB E-mobility B.V. , ABB Schweiz AG
Inventor： Drofenik, Uwe , Canales, Francisco , Christen, Daniel
Abstract: A converter for converting a medium voltage AC power into a low voltage DC power. The converter includes a line interphase transformer having at least one core, a plurality of coils provided on the at least one core and configured for receiving the medium voltage AC power, and at least one auxiliary winding provided on the at least one core and inductively coupled to the medium voltage AC power by the core. The line interphase transformer is configured for generating a plurality of phase-shifted AC powers from the medium voltage AC power. The converter further includes a rectifier configured for generating a medium voltage DC power from the plurality of phase-shifted AC powers, and a DC/DC converter stage including a switching stage and a converter transformer. The DC/DC converter stage is configured for generating a low voltage DC power from the medium voltage DC power. The converter transformer galvanically insulates the low voltage DC power from the medium voltage AC power. The DC/DC converter stage is powered by the at least one auxiliary winding.
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5.发明公开
公开(公告)号：EP3787166A1
公开(公告)日：2021-03-03
申请号：EP19194929.6
申请日：2019-09-02
Applicant: ABB Schweiz AG
Inventor： Pettersson, Sami , Schweizer, Mario , Park, Ki-Bum , Canales, Francisco
Abstract: A protection circuit for a power converter with cascaded bipolar and/or unipolar semiconductors is provided.
The protection circuit comprises at least one comparator circuit which is adapted to monitor a voltage characteristic on a collector-emitter path of at least one semiconductor which is arranged in a polarity selection stage of the power converter and/or to monitor a voltage characteristic on at least one capacitor, which is arranged in the power converter.
The at least one comparator circuit is further adapted to output an electrical signal, representing the voltage characteristic of the semiconductor and/or the at least one capacitor to at least one evaluation unit. The at least one evaluation unit is further adapted to evaluate the result from the at least one comparator circuit and to deactivate the semiconductors in case that the voltage characteristic of the semiconductors and/or the capacitors deviate from a predetermined threshold.-
Patent Agency Ranking
公开(公告)号：EP3591825A1
公开(公告)日：2020-01-08
申请号：EP18181532.5
申请日：2018-07-03
Applicant: ABB Schweiz AG
Inventor： Park, Ki-Bum , Soeiro, Thiago-Batista , Canales, Francisco
Abstract: An electrical converter (20) comprises a transformer (24) with a primary side (26) and a secondary side (28); a DC link connection (22); a first semiconductor switch (Q 1 ) and a second semiconductor switch (Q 2 ), which are connected in series with the primary side (26) of the transformer (24), which series connection is connected in parallel with the DC link connection (22); a first diode (d c1 ) connected in series with the first semiconductor switch (Q 1 ) and connected to the DC link connection (22), such that the first diode (d c1 ) and the first semiconductor switch (Q 1 ) are connected in parallel with the DC link connection (22); and a snubber circuit (30) with a snubber capacitor (C sn ) connected in parallel to the second semiconductor switch (Q 2 ), which snubber circuit (30) comprises a second diode (d c2 ) connected in series with the snubber capacitor (C sn ).
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公开(公告)号：EP4459858A1
公开(公告)日：2024-11-06
申请号：EP23171580.6
申请日：2023-05-04
Applicant: ABB E-mobility B.V. , ABB Schweiz AG
Inventor： Rothmund, Daniel , Canales, Francisco
Abstract: An inverter is described. The inverter includes a DC bus connectable to a DC power source and having a first leg and a second leg, a plurality of electronic switches connected in series, a first one of the electronic switches being connected to the first leg and a second one of the electronic switches being connected to the second leg, the plurality of electronic switches defining a plurality of intermediate switch nodes therebetween, a voltage divider connected to the first leg and the second leg, the voltage divider comprising a plurality of capacitors connected in series and defining at least one first partial voltage node, at least one first-level clamping diode pair, each first-level clamping diode pair comprising at least two diodes connected in series and defining a diode node in between the at least two diodes, the diode node being connected to one of the at least one first partial voltage node. At least one diode of the first-level clamping diode pair is connected, at a side of the diode other than the diode node, to an intermediate switch node to define a first partial clamped voltage at the intermediate switch node. The inverter further includes at least one flying capacitor connected in parallel to first-level clamping diode pair. The electronic switches are grouped into high-side switches and low-side switches. Control inputs of the high-side switches are functionally connected to simultaneously switch all of the high-side switches, and control inputs of the low-side switches are functionally connected to simultaneously switch all of the low-side switches.
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公开(公告)号：EP4199664A1
公开(公告)日：2023-06-21
申请号：EP21214518.9
申请日：2021-12-14
Applicant: ABB SCHWEIZ AG
Inventor： Drofenik, Uwe , Baumann, David , Rothmund, Daniel , Canales, Francisco , Costa, Levy
Abstract: A semiconductor module (26) comprises a plurality of semiconductor devices (22) connected in series and arranged along a length direction (L) of the semiconductor module (26); a carrier plate (32) for carrying the semiconductor devices (22), the carrier plate (32) extending along the length direction (L) and a width direction (W); and a plurality of heat sinks (50) for air cooling, the heat sinks (50) being connected to the carrier plate (32), being in thermal contact with the semiconductor devices (22) and protruding from the carrier plate (32) in a height direction (H) of the carrier plate (32). The heat sinks (50) comprise fins (52) and the carrier plate (32) comprises openings (42), such that a cooling air flow (30) in the height direction (H) through the openings (42) passes along the fins (52).
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公开(公告)号：EP3767653A1
公开(公告)日：2021-01-20
申请号：EP19186462.8
申请日：2019-07-16
Applicant: ABB Schweiz AG
Inventor： Drofenik, Uwe , Gradinger, Thomas , Canales, Francisco
Abstract: Transformer assembly comprises a first transformer stage (100) having a plurality of first-stage transformer cells (110); and a second transformer stage (200). An input (201) of the second transformer stage (200) is connected to an output (102) of the first transformer stage (100). A lightning impulse breakdown voltage of a transformer cell (210) of the second stage is at least double of a lightning impulse breakdown voltage of transformer cells (110) of the first stage.
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公开(公告)号：EP3678278A1
公开(公告)日：2020-07-08
申请号：EP19150044.6
申请日：2019-01-02
Applicant: ABB Schweiz AG
Inventor： Canales, Francisco , Park, Ki-Bum
Abstract: A charging station (10) for electric vehicles (38) comprises a central part (12) for converting a grid AC voltage from an electrical grid (18) into a high frequency AC voltage; a distribution network (16) for distributing the high frequency AC voltage; and a plurality of coils (26, 36) directly connected to the distribution network (16), wherein each coil (26, 36) is adapted for transferring energy to an electrical vehicle (38).
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