公开(公告)号：US20210314077A1

公开(公告)日：2021-10-07

申请号：US16838784

申请日：2020-04-02

Applicant: ABB Power Grids Switzerland AG

Inventor： Danu Tjahjono ,  Rafiq Shaikh ,  Ajay K. Dassu

IPC: H04J3/06 ,  H04L29/06

Abstract: Exemplary of embodiments of the disclosure include a method which includes determining, by a first device, whether the first device has a current time and transmitting a request for the current time to a second device if the first device does not have the current time. The second device is in a local network. The method further includes receiving, by the first device, the current time from the second device, authenticating a certificate based on the current time received from the second device, and establishing a network connection to the local network based on the authenticated certificate.

公开(公告)号：US11133145B2

公开(公告)日：2021-09-28

申请号：US16237218

申请日：2018-12-31

Applicant: ABB Power Grids Switzerland AG

Inventor： Suresh Menon

IPC: H01H85/055 ,  H01H85/48 ,  H01F27/40 ,  H01H85/143 ,  H01H85/042 ,  H01H85/175

Abstract: A current-limiting fuse for an electronic apparatus, such as, for example, a transformer. The fuse can be withdrawable under a liquid insulating medium, such as oil, and is capable of being replaceable in the field. The fuse can include a fuse element that is encased within an electrically insulative sheath. Additionally, a plurality of contact blades can extend from a lower portion of the fuse and be securely engaged with contact clips that are in electrical communication with one or more components of the electronic apparatus. The contact blades can be positioned within a dielectric insulating medium while a reminder of the fuse between the contact blades and the enclosure can be positioned within an air gap. Further, the contact blades can accommodate seating of the fuse within the enclosure and/or an associated canister.

公开(公告)号：US11107740B2

公开(公告)日：2021-08-31

申请号：US15666858

申请日：2017-08-02

Applicant: ABB Power Grids Switzerland AG ,  Audi AG

Inventor： Jürgen Schuderer ,  Umamaheswara Vemulapati ,  Marco Bellini ,  Jan Vobecky

IPC: H01L23/34 ,  H01L23/14 ,  H01L23/62 ,  H01L25/07 ,  H01L23/373 ,  H01L23/36 ,  H01L23/535 ,  H01L23/538 ,  H01L25/18 ,  H01L29/06

Abstract: A power semiconductor module including at least one power semiconductor chip providing a power electronics switch; and a semiconductor wafer, to which the at least one power semiconductor chip is bonded; wherein the semiconductor wafer is doped, such that it includes a field blocking region and an electrically conducting region on the field blocking region, to which electrically conducting region the at least one power semiconductor chip is bonded.

公开(公告)号：US20210257144A1

公开(公告)日：2021-08-19

申请号：US17255842

申请日：2019-06-25

Applicant: ABB Power Grids Switzerland AG

Inventor： Tor LANERYD ,  Giti KARIMI-MOGHADDAM

IPC: H01F27/10 ,  F28D20/02 ,  H01F27/40 ,  H01F30/16

Abstract: The invention is concerned with a cooling arrangement for a high voltage power device in an enclosure and immersed in an insulating fluid. The arrangement includes a cooling device for placing in the interior of the enclosure and having a channel formed as a duct for the insulating fluid the duct having a first wall including a phase change material for cooling insulating fluid that passes through the channel. The invention is also concerned with a method of operating a valve of a cooling device in such a cooling arrangement.

公开(公告)号：US11087895B2

公开(公告)日：2021-08-10

申请号：US16434672

申请日：2019-06-07

Applicant: ABB Power Grids Switzerland AG

Inventor： Gregory A. Cole ,  William J. Eakins ,  Daniel T. Lasko ,  Harshang Shah ,  Thomas A. Fuhlbrigge ,  Biao Zhang ,  Luiz Cheim ,  Poorvi Patel ,  Gregory F. Rossano ,  Andrew Salm ,  Sanguen Choi

IPC: G21C17/013 ,  G02B23/24 ,  H01F27/04 ,  B63G8/00 ,  G01N9/20 ,  B25J19/02 ,  G01G5/02 ,  G05D1/00 ,  B25J1/00 ,  G01M3/24 ,  G01N9/02 ,  B25J13/00 ,  G01N9/10 ,  G01N9/08 ,  H01F27/12

Abstract: A launching tube for use with a liquid filled tank can be sized to accommodate a submersible vehicle for dispensing into the liquid tank. The tank can be an electrical transformer or any other liquid containing tank such as but not limited to a chemical tank. The launching tube can include a valve for insertion into a launching chamber, and a tank side valve for launching of the submersible into the tank. In one form the launching tube includes an antenna for communication with the submersible and/or a base station. The launching tube can also include a sensor such as a camera, as well as an agitator. The agitator can be used to facilitate bubble removal from the inside of the launching tube.

公开(公告)号：US20210233831A1

公开(公告)日：2021-07-29

申请号：US17159257

申请日：2021-01-27

Applicant: ABB Power Grids Switzerland AG

Inventor： Milad Maleki ,  Harald Beyer ,  Dominik Truessel

IPC: H01L23/40 ,  H01L23/31

Abstract: A power semiconductor module includes a baseplate that has a first region at a first side located adjacent to an edge of the baseplate and proceeding in a first plane. An encapsulation material covers portions of the baseplate so that the first region of the baseplate is free of the encapsulation material and the baseplate at the edge side adjacent to the first region is at least partly covered by the encapsulation material. The baseplate at its first side is configured for being provided with an electric circuit and the baseplate at its second side is configured for being brought into contact to a heat dissipating element by applying a clamping force with a clamping part to the first region.

公开(公告)号：US20210225595A1

公开(公告)日：2021-07-22

申请号：US15734436

申请日：2019-05-29

Applicant: ABB Power Grids Switzerland AG

Inventor： Cecilia Forssen ,  Harald Martini ,  Joachim Schiessling ,  Nils Lavesson ,  Peter Dyreklev ,  Mats Sandberg

IPC: H01G4/32 ,  H02G15/072 ,  H01B17/28 ,  H01B17/42

Abstract: The present disclosure relates to a wound electrical component comprising a wound body comprising a plurality of wound layers of a web of an electrically insulating material around a longitudinal axis of the body. The wound body comprises a plurality of electrically conducting layers of an electrically conducting material, each printed onto a respective separate area of the web in the wound body. An edge zone of at least one of the plurality of electrically conducting layers is connected to a printed high permittivity layer of a high permittivity material along said edge zone such that at least a part of the high permittivity layer extends, printed on the web, beyond the edge zone.

公开(公告)号：US11056408B2

公开(公告)日：2021-07-06

申请号：US16528791

申请日：2019-08-01

Applicant: ABB Power Grids Switzerland AG

Inventor： Chunlei Liu ,  Franc Dugal ,  Munaf Rahimo ,  Peter Karl Steimer

IPC: H01L23/051 ,  H01L23/62 ,  H01L23/492 ,  H01L25/07 ,  H02H3/02 ,  H01L25/18

Abstract: A power semiconductor device includes a Si chip providing a Si switch and a wide bandgap material chip providing a wide bandgap material switch, wherein the Si switch and the wide bandgap material switch are electrically connected in parallel. A method for controlling a power semiconductor device includes: during a normal operation mode, controlling at least the wide bandgap material switch for switching a current through the power semiconductor device by applying corresponding gate signals to at least the wide bandgap material switch; sensing a failure in the power semiconductor device; and, in the case of a sensed failure, controlling the Si switch by applying a gate signal, such that a current is generated in the Si chip heating the Si chip to a temperature forming a permanent conducting path through the Si chip.

公开(公告)号：US20210199224A1

公开(公告)日：2021-07-01

申请号：US17055259

申请日：2019-07-03

Applicant: ABB Power Grids Switzerland AG

Inventor： Anders C. Johansson ,  Magnus U. Henriksson ,  Anders Holmberg

IPC: F16L47/16 ,  B29C70/30 ,  B29C70/54 ,  B29C53/56 ,  F16L9/12

Abstract: The present disclosure relates to a fibre reinforced polymer (FRP) tube, the tube comprising a plurality of concentric layers of an FRP material forming a shell of the tube. At least one blind threaded longitudinal bolt hole is provided from a transverse end surface of the shell. The bolt hole extends in at least three of the plurality of layers, a middle layer encompassing a plane passing through a center of the bolt hole, an inner layer encompassing a plane of an innermost extent of the bolt hole, and an outer layer encompassing a plane of an outermost extent of the bolt hole. The fibre filament of each of the inner and outer layers has been wound at a first angle to the longitudinal axis and the fibre filament of the middle layer has been wound at a second angle to the longitudinal axis.

公开(公告)号：US11049676B2

公开(公告)日：2021-06-29

申请号：US16982540

申请日：2019-03-11

Applicant: ABB Power Grids Switzerland AG

Inventor： Ajit Kadam ,  Shashwat Chauhan ,  Manish Sinjonia

IPC: H01H31/20 ,  H01H31/16 ,  H01H1/36 ,  H01H1/44

Abstract: A switchgear having a turn and twist mechanism. The switchgear has a contact system for electrical current conduction and bus transfer switching. The contact system has a fixed contact assembly and a movable contact assembly. The turn and twist mechanism drives the movable contact assembly for engagement/disengagement of the movable contacts with the fixed contacts. The turn and twist mechanism comprises a cylindrical pipe and a driving assembly. The driving assembly comprises a driving base, a floating carrier and a driving pin arrangement, for driving the cylindrical pipe for the engagement/disengagement. The driving base drives the floating carrier for turning the cylindrical pipe about a first axis, and drives the driving pin arrangement for twisting the cylindrical pipe about a second axis.