公开(公告)号：WO2019122352A1

公开(公告)日：2019-06-27

申请号：PCT/EP2018/086633

申请日：2018-12-21

Applicant: ABB SCHWEIZ AG

Inventor： GALLETTI, Bernardo ,  TEPPATI, Valeria ,  PANOUSIS, Emmanouil ,  GARYFALLOS, Angelos ,  RADISAVLJEVIC, Branimir ,  LEHMANN, Joerg ,  REUTLINGER, Christoph ,  OVER, Daniel ,  STOLLER, Patrick

IPC: H01H33/70 ,  H01H1/38 ,  H01H33/95 ,  H01H33/90

CPC classification number: H01H33/7084 ,  H01H1/385 ,  H01H33/95 ,  H01H2033/906

Abstract: The present disclosure provides a gas-insulated high or medium voltage circuit breaker (100) including a first arcing contact (101) and a second arcing contact (103), wherein at least one of the two arcing contacts is axially movable including a first and a second state of motion along a switching axis (140), wherein during a breaking operation, an arc between the first arcing contact and the second arcing contact is formed in an arcing region; a nozzle (110) including a channel (112) directed to the arcing region, for blowing an arc-extinguishing gas to the arcing region during the breaking operation; a diffuser adjacent to the nozzle, for transporting the gas from the arcing region to a region downstream of the diffuser; a buffer volume (170) directly downstream of the diffuser, and an enclosure (120) substantially surrounding the buffer volume (170) circumferentially, wherein the enclosure includes an inner enclosure portion (123) and a coaxially arranged outer enclosure portion (121), wherein at least one of the inner portion and the outer portion is movable relative to the other one; and a first aperture (127) provided on a surface of the inner enclosure portion and a second aperture (125) provided on a surface of the outer enclosure portion, such that a through opening is providable through the enclosure (120), wherein in the first state of motion during a breaking operation the through opening is blocked, as to prevent the gas from being released from the buffer volume (170) to a volume outside (180) of the enclosure (120); and in the second state of motion, the first aperture (127) and the second aperture (125) overlap, such that the overlap of the first aperture and the second aperture provides the through opening for the gas to be partially released from the buffer volume (170) to the volume outside (180) of the enclosure.

公开(公告)号：WO2020078723A1

公开(公告)日：2020-04-23

申请号：PCT/EP2019/076713

申请日：2019-10-02

Applicant: ABB SCHWEIZ AG

Inventor： GALLETTI, Bernardo ,  BLASZCZYK, Andreas ,  WU, Wei

IPC: H01F27/02 ,  F28F1/18 ,  F28F1/22 ,  H01F27/22 ,  F28D1/02

Abstract: Radiator (2) for a transformer (1), the radiator (2) comprising a plurality of radiator panels with at least a first and a second radiator panel (3), wherein the first and the second radiator panels (3) extend in a substantially vertical direction, and each of the plurality of radiator panels (3) has a bottom edge (5), wherein the first and the second radiator panel (3) form an air duct (6) providing a gap there-between having a width of smaller than 90 mm, and wherein the bottom edge (5) of the first radiator panel (3) is located at a lower vertical height position than the bottom edge (5) of the second radiator panel (3), wherein the first radiator panel (3) is located at a side of the radiator panel that is adapted to be attached to a transformer in such a manner that the first radiator panel and a side of the transformer form a transformer air duct wherein the bottom edge (5) of the second radiator panel (3) is located at a larger height position than the bottom edge (5) of the first radiator panel (3) and wherein the radiator panels have an aspect ratio greater than 8 of a depth of the radiator panel over a width of the air duct.

公开(公告)号：WO2018015436A1

公开(公告)日：2018-01-25

申请号：PCT/EP2017/068229

申请日：2017-07-19

Applicant: ABB SCHWEIZ AG

Inventor： GALLETTI, Bernardo ,  GOTTI, Manuel ,  BUJOTZEK, Markus ,  SEEGER, Martin

IPC: H01H33/70

Abstract: A gas-insulated high-voltage switching device (1) is provided, which includes an arcing contact arrangement (5) having a first arcing zone member (30) and a second arcing zone member (20) that are movable relative to one another along an axis (B). An auxiliary nozzle (40) surrounds at least a part of a second arcing contact unit (21) and has an auxiliary nozzle throat (42) having an axial extension and allowing passage at least of an end of the first arcing contact unit (31). A main nozzle throat (52) has an axial extension sideways of the auxiliary nozzle throat (42) and allows passage at least of the end of the first arcing contact unit (31). A cross-sectional area of the main nozzle throat (52) is substantially decreasing in the direction away from the auxiliary nozzle throat (42) so as to form a substantially converging duct for the flow of an arc-extinguishing gas.

Abstract translation: 提供了一种气体绝缘的高压开关装置（1），其包括具有第一电弧区构件（30）和第二电弧区构件（20）的电弧触点装置（5） 它们可以沿轴线（B）相对于彼此移动。 辅助喷嘴（40）围绕第二电弧触点单元（21）的至少一部分并具有辅助喷嘴喉部（42），该辅助喷嘴喉部具有轴向延伸并且允许第一电弧触点单元（31）的至少一端通过， 。 主喷嘴喉部（52）具有辅助喷嘴喉部（42）侧向的轴向延伸部并且允许至少第一电弧接触单元（31）的端部通过。 主喷嘴喉部（52）的横截面面积在远离辅助喷嘴喉部（42）的方向上基本上减小，从而形成用于灭弧气体流动的基本上会聚的管道。

公开(公告)号：WO2017207763A1

公开(公告)日：2017-12-07

申请号：PCT/EP2017/063474

申请日：2017-06-02

Applicant: ABB SCHWEIZ AG

Inventor： GALLETTI, Bernardo ,  ATTAR, Elham ,  CARSTENSEN, Jan ,  SAXEGAARD, Magne ,  KRISTOFFERSEN, Martin ,  SEEGER, Martin ,  SCHWINNE, Michael ,  RANJAN, Nitseh ,  STOLLER, Patrick

IPC: H01H33/12 ,  H01H9/52 ,  H01H33/70 ,  H01H33/88 ,  H01H33/91

CPC classification number: H01H33/7023 ,  H01H9/52 ,  H01H33/121 ,  H01H33/56 ,  H01H33/703 ,  H01H33/7038 ,  H01H33/88 ,  H01H33/91 ,  H01H2033/566

Abstract: A gas-insulated low- or medium-voltage load break switch (1) comprises: a housing (2) defining a housing volume for holding an insulation gas at an ambient pressure; a first arcing contact (10) and a second arcing contact (20) arranged within the housing volume, the first and second arcing contacts (10, 20) being movable in relation to each other along an axis (12) of the load break switch (1) and defining a quenching region (52) in which an arc (50) is formed during a current breaking operation; a pressurizing system (40) having a pressurizing chamber (42) arranged within the housing volume for pressurizing a quenching gas from an ambient pressure p 0 to a quenching pressure p quench during the current breaking operation; and a nozzle system (30) arranged within the housing volume for blowing the pressurized quenching gas in a subsonic flow pattern from the pressurization chamber (42) onto the arc (50) formed in the quenching region (52) during the current breaking operation. The nozzle system (30) comprises at least one nozzle (33) arranged for blowing the quenching gas from an off-axis position predominantly radially inwardly onto the quenching region (52).

Abstract translation: 气体绝缘的低压或中压负载断路开关（1）包括：壳体（2），其限定用于将绝缘气体保持在环境压力下的壳体容积; ，布置在所述壳体容积内的第一电弧触头（10）和第二电弧触头（20），所述第一电弧触头和所述第二电弧触头（10,20）可沿着所述负载断路开关的轴线（12）相对于彼此移动， （1）并且限定在电流断开操作期间形成电弧（50）的淬火区域（52）;其中， 加压系统（40），其具有布置在壳体容积​​内的加压室（42），用于将骤冷气体从环境压力p 0加压至骤冷压力p quench / i> 在当前的中断操作过程中; 以及布置在壳体容积​​内的喷嘴系统（30），用于在电流切断操作期间以亚音速流动模式将加压淬火气体从加压室（42）吹到形成在淬火区域（52）中的电弧（50）上。 喷嘴系统（30）包括至少一个喷嘴（33），该喷嘴布置成用于将淬火气体主要径向向内从离轴位置吹向淬火区域（52）。

公开(公告)号：EP3465717B1

公开(公告)日：2020-08-05

申请号：EP17733745.8

申请日：2017-06-02

Applicant: ABB Schweiz AG

Inventor： GALLETTI, Bernardo ,  ATTAR, Elham ,  CARSTENSEN, Jan ,  SAXEGAARD, Magne ,  KRISTOFFERSEN, Martin ,  SEEGER, Martin ,  SCHWINNE, Michael ,  RANJAN, Nitesh ,  STOLLER, Patrick

IPC: H01H33/12 ,  H01H9/52 ,  H01H33/70 ,  H01H33/88 ,  H01H33/91

公开(公告)号：EP3132461A1

公开(公告)日：2017-02-22

申请号：EP15741875.7

申请日：2015-03-31

Applicant: ABB Schweiz AG

Inventor： KOSTOVIC, Jadran ,  DHOTRE, Mahesh ,  GALLETTI, Bernardo ,  LUNDQVIST, Fredrik ,  COSTYSON, Johan ,  KOTILAINEN, Sami ,  YE, Xiangyang ,  ANDRAE, Gunnar ,  HEIERMEIER, Helmut ,  SUTHERLAND, Timothy

IPC: H01H33/70

CPC classification number: H01H33/7023 ,  H01H33/7038 ,  H01H33/7069

Abstract: The gas-insulated HV switching device comprises a contact arrangement with two arcing contacts, one of which being designed as a contact tulip (21), an auxiliary nozzle (40) enclosing at least partially the contact tulip (21) and a tubular electrostatic shield (42), which protrudes along an axis (A) beyond a free end of the contact tulip (21). In order improve the switching performance of the switching device the tubular electrostatic shield (42) is electrically connected to the contact tulip (21) and is integrated in an electrical circuit comprising a current limiter (resistors 43, 44) and extending from the shield (42) through the current limiter to an end of the contact tulip (21) which is arranged opposite its free end.

Abstract translation: 气体绝缘HV开关装置包括具有两个电弧触点的接触装置，其中一个电弧触点被设计为接触式郁金香（21），至少部分地包围接触式郁金香（21）的辅助喷嘴（40）和管状静电屏蔽 （42），其沿着轴线（A）突出超过接触件郁金香（21）的自由端。 为了提高开关装置的开关性能，管状静电屏蔽（42）电连接到触点郁金香（21）并且集成在包括限流器（电阻器43,44）并且从屏蔽件延伸的电路中 42）通过限流器连接到接触件郁金香（21）的端部，该端子与其自由端相对布置。

公开(公告)号：EP3764382A1

公开(公告)日：2021-01-13

申请号：EP20189405.2

申请日：2017-06-02

Applicant: ABB Schweiz AG

Inventor： GALLETTI, Bernardo ,  ATTAR, Elham ,  CARSTENSEN, Jan ,  SAXEGAARD, Magne ,  KRISTOFFERSEN, Martin ,  SEEGER, Martin ,  SCHWINNE, Michael ,  RANJAN, Nitesh ,  STOLLER, Patrick

IPC: H01H33/12 ,  H01H9/52 ,  H01H33/70 ,  H01H33/88 ,  H01H33/91

Abstract: A gas-insulated low- or medium-voltage load break switch (1) comprises: a housing (2) defining a housing volume for holding an insulation gas at an ambient pressure; a first arcing contact (10) and a second arcing contact (20) arranged within the housing volume, the first and second arcing contacts (10, 20) being movable in relation to each other along an axis (12) of the load break switch (1) and defining a quenching region (52) in which an arc (50) is formed during a current breaking operation; a pressurizing system (40) having a pressurizing chamber (42) arranged within the housing volume for pressurizing a quenching gas from an ambient pressure p 0 to a quenching pressure p quench during the current breaking operation; and a nozzle system (30) arranged within the housing volume for blowing the pressurized quenching gas in a subsonic flow pattern from the pressurization chamber (42) onto the arc (50) formed in the quenching region (52) during the current breaking operation. The nozzle system (30) comprises at least one nozzle (33) arranged for blowing the quenching gas from an off-axis position predominantly radially inwardly onto the quenching region (52).

公开(公告)号：EP3465717A1

公开(公告)日：2019-04-10

申请号：EP17733745.8

申请日：2017-06-02

Applicant: ABB Schweiz AG

Inventor： GALLETTI, Bernardo ,  ATTAR, Elham ,  CARSTENSEN, Jan ,  SAXEGAARD, Magne ,  KRISTOFFERSEN, Martin ,  SEEGER, Martin ,  SCHWINNE, Michael ,  RANJAN, Nitesh ,  STOLLER, Patrick

IPC: H01H33/12 ,  H01H9/52 ,  H01H33/70 ,  H01H33/88 ,  H01H33/91

Abstract: A gas-insulated low- or medium-voltage load break switch includes: a housing defining a housing volume for holding an insulation gas at an ambient pressure; a first arcing contact and a second arcing contact arranged within the housing volume, the first and second arcing contacts being movable in relation to each other along an axis of the load break switch and defining a quenching region in which an arc is formed during a current breaking operation; a pressurizing system having a pressurizing chamber arranged within the housing volume for pressurizing a quenching gas from an ambient pressure p0 to a quenching pressure pquench during the current breaking operation; and a nozzle system arranged within the housing volume for blowing the pressurized quenching gas in a subsonic flow pattern from the pressurization chamber onto the arc formed in the quenching region during the current breaking operation. The nozzle system includes at least one nozzle arranged for blowing the quenching gas from an off-axis position predominantly radially inwardly onto the quenching region.

公开(公告)号：EP3039703B1

公开(公告)日：2018-05-02

申请号：EP14747655.0

申请日：2014-08-05

Applicant: ABB Schweiz AG

Inventor： IORDANIDIS, Arthouros ,  SEEGER, Martin ,  DOUSSET, Vincent ,  GALLETTI, Bernardo ,  PANOUSIS, Emmanouil ,  LEHMANN, Joerg ,  PISU, Franceso ,  DHOTRE, Mahesh ,  OVER, Daniel ,  ZEHNDER, Lukas ,  ARNDT, Stefan

IPC: H01H33/70 ,  H01H1/38 ,  H01H33/91 ,  H01H9/30

CPC classification number: H01H33/703 ,  H01H1/385 ,  H01H9/302 ,  H01H33/91

公开(公告)号：EP3488458A1

公开(公告)日：2019-05-29

申请号：EP17743312.5

申请日：2017-07-19

Applicant: ABB Schweiz AG

Inventor： GALLETTI, Bernardo ,  GOTTI, Manuel ,  BUJOTZEK, Markus ,  SEEGER, Martin

IPC: H01H33/70

Abstract: A gas-insulated high-voltage switching device which includes an arcing contact arrangement having a first arcing zone member and a second arcing zone member that are movable relative to one another along an axis. An auxiliary nozzle surrounds at least a part of a second arcing contact unit and has an auxiliary nozzle throat having an axial extension and allowing passage at least of an end of the first arcing contact unit. A main nozzle throat has an axial extension sideways of the auxiliary nozzle throat and allows passage at least of the end of the first arcing contact unit. A cross-sectional area of the main nozzle throat is substantially decreasing in the direction away from the auxiliary nozzle throat so as to form a substantially converging duct for the flow of an arc-extinguishing gas.