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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: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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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: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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