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公开(公告)号：US11509128B2
公开(公告)日：2022-11-22
申请号：US17019590
申请日：2020-09-14
Applicant: ABB Schweiz AG
Inventor： Xiaoqing Song , Taosha Jiang , Antonello Antoniazzi
Abstract: A multi-port solid-state circuit breaker system includes a first electrical power bus, a second electrical power bus, and a plurality of breaker legs conductively coupled with the first electrical power bus and the second electrical power bus in parallel with one another. Each of the plurality of breaker legs includes a first power semiconductor device coupled in series with a second power semiconductor device and an input/output port intermediate the first power semiconductor device and the second power semiconductor device. At least one of the first semiconductor device and the second semiconductor device includes an actively controlled switching device. A surge suppressor is conductively coupled in parallel with the plurality of breaker legs.
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公开(公告)号：US20220085595A1
公开(公告)日：2022-03-17
申请号：US17019590
申请日：2020-09-14
Applicant: ABB Schweiz AG
Inventor： Xiaoqing Song , Taosha Jiang , Antonello Antoniazzi
Abstract: A multi-port solid-state circuit breaker system includes a first electrical power bus, a second electrical power bus, and a plurality of breaker legs conductively coupled with the first electrical power bus and the second electrical power bus in parallel with one another. Each of the plurality of breaker legs includes a first power semiconductor device coupled in series with a second power semiconductor device and an input/output port intermediate the first power semiconductor device and the second power semiconductor device. At least one of the first semiconductor device and the second semiconductor device includes an actively controlled switching device. A surge suppressor is conductively coupled in parallel with the plurality of breaker legs.
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公开(公告)号：US11152179B2
公开(公告)日：2021-10-19
申请号：US15937011
申请日：2018-03-27
Applicant: ABB Schweiz AG
Inventor： Thomas Schmoelzer , Markus Hoidis , Enrico Dell Oro , Chiara Cantini , Antonello Antoniazzi , Reinhard Simon
IPC: H01H1/021 , H01H71/66 , C22C5/06 , H01H1/0233 , H01H3/22 , H01H71/02 , H01H73/04 , B22F7/02 , C22C29/08 , C22C32/00 , H01H37/32 , H01H71/04
Abstract: A low voltage circuit breaker is provided. The low voltage circuit breaker includes a contact system with a first contact and a second contact that are electrically connectable and disconnectable relative to one another. The first contact includes a body having a first layer and a second layer, wherein the first layer is arranged on the second layer and is configured to come in contact with the second contact for providing the electrical connection with the second contact. The first layer has a first material composition having an Ag content that is higher than an Ag content of a second material composition of the second layer. Further, the first material composition has a WC content that is lower than a WC content of the second material composition.
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公开(公告)号：US11705714B2
公开(公告)日：2023-07-18
申请号：US17549208
申请日：2021-12-13
Applicant: ABB Schweiz AG
Inventor： Thorsten Strassel , Antonello Antoniazzi , Markus Abplanalp , Thierry Delachaux
Abstract: A switching apparatus includes first and second electric terminals, and first and second electric branches comprising one or more switching devices. The second electric branch is electrically connected in parallel with said first electric branch between said first and second electric terminals. The switching apparatus comprises a current blocking circuit adapted to block a current along said second branch. The current blocking circuit includes a first switching device of solid-state type and a first electronic circuit electrically connected in parallel to said first switching device of solid-state type. The switching apparatus further comprises a current limiting circuit adapted to limit a current flowing along said second electric branch. Said current limiting circuit is electrically connected in series with said current blocking circuit and it includes a second switching device of solid-state type and a second electronic circuit electrically connected in parallel to said second switching device of solid-state type.
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Patent Agency Ranking
公开(公告)号：US11574777B2
公开(公告)日：2023-02-07
申请号：US17549235
申请日：2021-12-13
Applicant: ABB Schweiz AG
Inventor： Thorsten Strassel , Antonello Antoniazzi , Markus Abplanalp , Thierry Delachaux
Abstract: A switching apparatus for an electric grid includes first and second electric terminals, each having first and second electric branches having a plurality of switching devices. The first electric branch includes a first switching device switchable between open and closed states, which is driven by a current flowing along said first switching device and without receiving an external control signal or an external power supply, said first switching device switching from said closed state to said open state, when the current flowing along said switching apparatus exceeds a corresponding predefined threshold value or when the changing rate of the current flowing along said switching apparatus exceeds a corresponding predefined threshold value or upon a combination of these two conditions. A second switching device is connected in series with the first switching device and is switchable between closed and open states upon receiving a corresponding input control signal.
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公开(公告)号：US20220190582A1
公开(公告)日：2022-06-16
申请号：US17549208
申请日：2021-12-13
Applicant: ABB Schweiz AG
Inventor： Thorsten Strassel , Antonello Antoniazzi , Markus Abplanalp , Thierry Delachaux
Abstract: A switching apparatus includes first and second electric terminals, and first and second electric branches comprising one or more switching devices. The second electric branch is electrically connected in parallel with said first electric branch between said first and second electric terminals. The switching apparatus comprises a current blocking circuit adapted to block a current along said second branch. The current blocking circuit includes a first switching device of solid-state type and a first electronic circuit electrically connected in parallel to said first switching device of solid-state type. The switching apparatus further comprises a current limiting circuit adapted to limit a current flowing along said second electric branch. Said current limiting circuit is electrically connected in series with said current blocking circuit and it includes a second switching device of solid-state type and a second electronic circuit electrically connected in parallel to said second switching device of solid-state type.
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公开(公告)号：US20220189713A1
公开(公告)日：2022-06-16
申请号：US17549235
申请日：2021-12-13
Applicant: ABB Schweiz AG
Inventor： Thorsten Strassel , Antonello Antoniazzi , Markus Abplanalp , Thierry Delachaux
Abstract: A switching apparatus for an electric grid includes first and second electric terminals, each having first and second electric branches having a plurality of switching devices. The first electric branch includes a first switching device switchable between open and closed states, which is driven by a current flowing along said first switching device and without receiving an external control signal or an external power supply, said first switching device switching from said closed state to said open state, when the current flowing along said switching apparatus exceeds a corresponding predefined threshold value or when the changing rate of the current flowing along said switching apparatus exceeds a corresponding predefined threshold value or upon a combination of these two conditions. A second switching device is connected in series with the first switching device and is switchable between closed and open states upon receiving a corresponding input control signal.
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公开(公告)号：US20220085600A1
公开(公告)日：2022-03-17
申请号：US17018020
申请日：2020-09-11
Applicant: ABB Schweiz AG
Inventor： Li Qi , Taosha Jiang , Antonello Antoniazzi
IPC: H02H9/02
Abstract: Systems, methods, techniques and apparatuses of high current protection are disclosed. One exemplary embodiment is a power system comprising a solid-state circuit breaker including a solid-state switching device, an energy dissipation branch, an assistive branch, and a controller. The energy dissipation branch is coupled in parallel with the solid-state switching device and includes an energy dissipation device. The assistive branch is coupled in parallel with the solid-state switching device and includes a resistor, an inductor, and a galvanic isolation switching device coupled together in series. The controller is configured to determine the solid-state circuit breaker is conducting a high magnitude current, select a continuous current limiting mode or an intermittent current limiting mode, and operate the solid-state switching device based on the selected current limiting mode.
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公开(公告)号：US20180286620A1
公开(公告)日：2018-10-04
申请号：US15937011
申请日：2018-03-27
Applicant: ABB Schweiz AG
Inventor： Thomas Schmoelzer , Markus Hoidis , Enrico Dell Oro , Chiara Cantini , Antonello Antoniazzi , Reinhard Simon
Abstract: A low voltage circuit breaker is provided. The low voltage circuit breaker includes a contact system with a first contact and a second contact that are electrically connectable and disconnectable relative to one another. The first contact includes a body having a first layer and a second layer, wherein the first layer is arranged on the second layer and is configured to come in contact with the second contact for providing the electrical connection with the second contact. The first layer has a first material composition having an Ag content that is higher than an Ag content of a second material composition of the second layer. Further, the first material composition has a WC content that is lower than a WC content of the second material composition.
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