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公开(公告)号：US10937597B2
公开(公告)日：2021-03-02
申请号：US16626210
申请日：2018-06-19
Applicant: ABB Schweiz AG
Inventor： Cecilia Forssen , Francisco Penayo , Joachim Schiessling , Nils Lavesson , Peter Sjöberg , Roger Hedlund , Ylva Granbom , Peter Dyreklev , Staffan Nordlinder
Abstract: A high voltage capacitive device having: a non-impregnatable film having a plurality of physically separated regions each defined by a conductive coating provided on the non-impregnatable film, wherein the non-impregnatable film is wound in a plurality of turns to form a plurality of layers, wherein the regions are arranged in overlapping layers in the radial direction, wherein the non-impregnatable film forms a dielectric between adjacent layers of the regions, and wherein the conductive coating of at least some of the regions is provided with a plurality of first radial openings extending through the conductive coating to the non-impregnatable film, which delimits a radial extension of each first radial opening.
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Patent Agency Ranking
公开(公告)号：US10483042B2
公开(公告)日：2019-11-19
申请号：US15740241
申请日：2016-06-22
Applicant: ABB Schweiz AG
Inventor： Peter Sjöberg , Roger Hedlund , Ylva Granbom
IPC: H01G7/00 , H01G4/32 , H01B17/28 , H01G13/02 , B29C53/56 , B29C65/52 , B29C65/00 , B32B37/16 , H01G4/005 , H01G4/18 , B29L31/34
Abstract: A method of manufacturing a capacitive electrical device is disclosed. The method includes a) bonding a first electrical insulation film with a second electrical insulation film to obtain a single electrical insulation film that has a larger surface area than any of the first electrical insulation film and the second electrical insulation film has alone, b) providing a conductive layer onto the single electrical insulation film, and c) winding the single electrical insulation film and the conductive layer around a shaft to obtain a layer of the single electrical insulation film and a layer of the conductive layer wound onto the shaft, thereby forming the capacitive electrical device.
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公开(公告)号：US10210969B2
公开(公告)日：2019-02-19
申请号：US15573271
申请日：2016-05-19
Applicant: ABB Schweiz AG
Inventor： Peter Sjöberg , Robert Floresjö , Roger Hedlund , Simon Lindgren , Ylva Granbom , Christian Söderlund
Abstract: An electrical bushing including an electrically insulating shell having a central longitudinal through hole and a first longitudinal end configured to be at a top of the bushing and a second longitudinal end configured to be at a bottom of the bushing. The bushing is configured for accommodating an electrical conductor positioned through the central longitudinal through hole of the shell. The shell includes fastening means for fastening the bushing to a wall of an electrical apparatus, through which wall the bushing is configured for allowing the electrical conductor to pass. The shell is configured for sealingly containing an electrically insulating liquid in the bushing, allowing the bushing to be liquid-filled. The shell is molded as a single piece from an electrically insulating polymeric material.
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公开(公告)号：US20180102205A1
公开(公告)日：2018-04-12
申请号：US15573271
申请日：2016-05-19
Applicant: ABB Schweiz AG
Inventor： Peter Sjöberg , Robert Floresjö , Roger Hedlund , Simon Lindgren , Ylva Granbom , Christian Söderlund
Abstract: An electrical bushing including an electrically insulating shell having a central longitudinal through hole and a first longitudinal end configured to be at a top of the bushing and a second longitudinal end configured to be at a bottom of the bushing. The bushing is configured for accommodating an electrical conductor positioned through the central longitudinal through hole of the shell. The shell includes fastening means for fastening the bushing to a wall of an electrical apparatus, through which wall the bushing is configured for allowing the electrical conductor to pass. The shell is configured forsealingly containing an electrically insulating liquid in the bushing, allowing the bushing to be liquid-filled. The shell is moulded as a single piece from an electrically insulating polymeric material.
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公开(公告)号：US20190389126A1
公开(公告)日：2019-12-26
申请号：US16480605
申请日：2018-02-06
Applicant: ABB Schweiz AG
Inventor： Harald Martini , Joachim Schiessling , Nils Lavesson , Cecilia Forssen , Håkan Faleke , Julia Viertel , Lukasz Matysiak , Jan Czyzewski , Roger Hedlund , Jens Rocks
IPC: B29C64/118 , H01B19/04
Abstract: A method for producing an electrical power device having an insulator. The method includes, by means of additive manufacturing, applying a polymeric insulating material forming part of the device. The method also includes, in a subsequent consolidation step, subjecting the insulator to elevated temperature and pressure during a predetermined time period to consolidate the insulator.
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公开(公告)号：US20180197683A1
公开(公告)日：2018-07-12
申请号：US15740241
申请日：2016-06-22
Applicant: ABB Schweiz AG
Inventor： Peter Sjöberg , Roger Hedlund , Ylva Granbom
CPC classification number: H01G4/32 , B29C53/56 , B29C65/52 , B29C66/43 , B29K2995/0005 , B29K2995/0007 , B29L2031/3406 , B32B37/16 , B32B2307/202 , B32B2307/206 , B32B2457/16 , H01B17/28 , H01G4/005 , H01G4/18 , H01G13/02
Abstract: A method of manufacturing a capacitive electrical device is disclosed. The method includes a) bonding a first electrical insulation film with a second electrical insulation film to obtain a single electrical insulation film that has a larger surface area than any of the first electrical insulation film and the second electrical insulation film has alone, b) providing a conductive layer onto the single electrical insulation film, and c) winding the single electrical insulation film and the conductive layer around a shaft to obtain a layer of the single electrical insulation film and a layer of the conductive layer wound onto the shaft, thereby forming the capacitive electrical device.
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