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公开(公告)号：US20230125181A1
公开(公告)日：2023-04-27
申请号：US18048804
申请日：2022-10-21
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Cicero Postiglione , Arber Haxhiu
IPC: H02M3/158 , H02M1/00 , H02M7/5387
Abstract: A buck-assisted split-source inverter including a DC link having two voltage rails, at least two pairs of series connected switches, a first connection point and a second connection point for receiving voltage terminals of a fuel cell, one of the two voltage rails forming the first connection point, a switch component and an inductor connected in series having a first end formed of a terminal of the switch component and a second end formed of a terminal of the inductor, the first end forming the second connection point for receiving a voltage terminal of a fuel cell. The inverter further including at least two first diodes, a second diode having first and second terminals, wherein the switch component is adapted to be controlled conductive when any one of the lower switches connected to voltage rail forming the first connection point is controlled conductive.
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公开(公告)号：US12005795B2
公开(公告)日：2024-06-11
申请号：US17755363
申请日：2019-11-27
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Haofeng Bai , Frans Dijkhuizen
Abstract: An onboard powertrain for an automated guided vehicle, AGV, is presented herein. The onboard powertrain includes a split-source inverter, SSI, having at least one middle point pole, a positive DC-link pole, and a negative DC-link pole, a battery and an inductor connected in series between the positive or negative DC-link pole and the middle point pole, and a supercapacitor connected between the positive and negative DC-link poles.
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公开(公告)号：US20230391211A1
公开(公告)日：2023-12-07
申请号：US18259027
申请日：2020-12-29
Applicant: ABB Schweiz AG
Inventor： Haofeng Bai , Panagiotis Bakas , Ahmed Abdelhakim , Rajakrishnan Radjassamy , Edward Clark Fontana
CPC classification number: B60L53/16 , H02J7/0042
Abstract: A charging system for an automated guided vehicle, AGV, is presented. The charging system includes an offboard, meshed charging grid and onboard contact pads. The offboard, meshed charging grid including a charging pole in each grid point, wherein adjacent charging poles are configured with opposite polarity of a charging current. The onboard contact pads include four separate contact pads. An AGV is also presented.
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公开(公告)号：US20230006447A1
公开(公告)日：2023-01-05
申请号：US17757275
申请日：2019-12-19
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Haofeng Bai
IPC: H02J3/30 , H02J3/24 , H02J15/00 , H02M7/5387
Abstract: A frequency support system arranged for providing frequency support to an AC grid. The system includes an ES arrangement, and a bi-directional DC/AC power electronic converter interface configured for connecting the ES arrangement with the grid. The ES arrangement includes a plurality of series connected ES groups, each ES group including a plurality of parallel connected ES modules, each ES module including an energy storage interfaced by a bi-directional power electronic ES converter configured for connecting the ES with a DC side of the converter interface.
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公开(公告)号：US12257915B2
公开(公告)日：2025-03-25
申请号：US18259027
申请日：2020-12-29
Applicant: ABB Schweiz AG
Inventor： Haofeng Bai , Panagiotis Bakas , Ahmed Abdelhakim , Rajakrishnan Radjassamy , Edward Clark Fontana
Abstract: A charging system for an automated guided vehicle, AGV, is presented. The charging system includes an offboard, meshed charging grid and onboard contact pads. The offboard, meshed charging grid including a charging pole in each grid point, wherein adjacent charging poles are configured with opposite polarity of a charging current. The onboard contact pads include four separate contact pads. An AGV is also presented.
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Patent Agency Ranking
公开(公告)号：US20220379753A1
公开(公告)日：2022-12-01
申请号：US17755363
申请日：2019-11-27
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Haofeng Bai , Frans Dijkhuizen
Abstract: An onboard powertrain for an automated guided vehicle, AGV, is presented herein. The onboard powertrain includes a split-source inverter, SSI, having at least one middle point pole, a positive DC-link pole, and a negative DC-link pole, a battery and an inductor connected in series between the positive or negative DC-link pole and the middle point pole, and a supercapacitor connected between the positive and negative DC-link poles.
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公开(公告)号：US20210143753A1
公开(公告)日：2021-05-13
申请号：US17093437
申请日：2020-11-09
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Frans Dijkhuizen
IPC: H02M7/537
Abstract: A multiphase current-fed modular multilevel converter, CMMC, is presented. The CMMC includes a plurality of cascaded submodules, SMs, connected in series between ground point and an alternating current, AC, voltage output point, wherein each SM has a connectable series capacitor , a blocking diode connected between an input direct current, DC, source point and the AC voltage output point, wherein each phase of the multiphase CMMC has an arm of the plurality of cascaded SMs and the blocking diode, and an input DC source connected between ground and the input DC source point. An output AC voltage is drawn differentially between two of the arms.
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公开(公告)号：US11962244B2
公开(公告)日：2024-04-16
申请号：US18048804
申请日：2022-10-21
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Cicero Postiglione , Arber Haxhiu
IPC: H02M3/158 , H02M1/00 , H02M7/5387
CPC classification number: H02M3/1582 , H02M1/0058 , H02M7/5387
Abstract: A buck-assisted split-source inverter including a DC link having two voltage rails, at least two pairs of series connected switches, a first connection point and a second connection point for receiving voltage terminals of a fuel cell, one of the two voltage rails forming the first connection point, a switch component and an inductor connected in series having a first end formed of a terminal of the switch component and a second end formed of a terminal of the inductor, the first end forming the second connection point for receiving a voltage terminal of a fuel cell. The inverter further including at least two first diodes, a second diode having first and second terminals, wherein the switch component is adapted to be controlled conductive when any one of the lower switches connected to voltage rail forming the first connection point is controlled conductive.
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公开(公告)号：US11824362B2
公开(公告)日：2023-11-21
申请号：US17757275
申请日：2019-12-19
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Haofeng Bai
IPC: H02J3/30 , H02J3/24 , H02J15/00 , H02M7/5387
CPC classification number: H02J3/30 , H02J3/241 , H02J15/007 , H02M7/5387
Abstract: A frequency support system arranged for providing frequency support to an AC grid. The system includes an ES arrangement, and a bi-directional DC/AC power electronic converter interface configured for connecting the ES arrangement with the grid. The ES arrangement includes a plurality of series connected ES groups, each ES group including a plurality of parallel connected ES modules, each ES module including an energy storage interfaced by a bi-directional power electronic ES converter configured for connecting the ES with a DC side of the converter interface.
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公开(公告)号：US20220416564A1
公开(公告)日：2022-12-29
申请号：US17756546
申请日：2019-12-05
Applicant: ABB Schweiz AG
Inventor： Ahmed Abdelhakim , Frans Dijkhuizen
Abstract: A vehicular power system includes a battery branch including a battery unit arranged in series with a diode, and a high-capacity unit having a maximum voltage that exceeds a nominal voltage of the battery unit. The battery branch and high-capacity unit are arranged in parallel, to feed a load side of the vehicular power system. The battery branch further includes a switching arrangement configured to disconnect the battery unit in response to excessive load-side current. The switching arrangement may allow the high-capacity unit to inject current into the load side at a voltage less than the nominal voltage of the battery unit and/or may allow the high-capacity unit to absorb regenerated current from the load side at a voltage which is greater than the nominal voltage of the battery unit.
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