公开(公告)号：EP2998977B1

公开(公告)日：2018-07-04

申请号：EP14185581.7

申请日：2014-09-19

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  De Natale, Gabriele Valentino ,  Ricci, Andrea ,  Testa, Marco

IPC: H01H47/00 ,  H01F7/18

CPC classification number: H01H47/002 ,  G01R31/3274 ,  H01F2007/1855 ,  H01H47/02 ,  H01H50/20 ,  H01H50/44 ,  H01H50/54

Abstract: A method (100) for determining the operating status a MV switching device (1), which comprises: - one or more electric poles (10), each comprising a movable contact (11) and a fixed contact (12) adapted to be coupled or uncoupled during the switching operations of said switching device; and - an electromagnetic actuator (13) comprising a magnetic core (131), a test coil (132, 134) wound around said magnetic core and a movable plunger (133) operatively coupled to the movable contact of each electric pole. The method comprises the following steps: - providing a test signal (ST) to said test coil for an observation period of time (T o ), said test signal having a waveform adapted to excite said magnetic core; - obtaining measuring data (V M , I M ) indicative of the voltage at the terminals of said test coil and of the current circulating along said test coil during said observation period of time; - calculating observation data (R N , L N ) indicative of the electric behaviour of said test coil at the end of said observation period of time on the base of said measuring data; - selecting at least a transformation function (F 1 , F 2 ) indicative of the electromagnetic behaviour of said electromagnetic actuator; - calculating first estimation data (P, T) indicative of the operating status of said electromagnetic actuator on the base of said observation data (R N , L N ) by using said transformation function, said first estimation data comprising a first estimation value (P) indicative of the position of the movable plunger of said electromagnetic actuator.

公开(公告)号：EP3745433A1

公开(公告)日：2020-12-02

申请号：EP19177280.5

申请日：2019-05-29

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  Ricci, Andrea ,  Lindell, Elisabeth ,  Halén, Stefan ,  Mannino, Fabio

IPC: H01H3/26 ,  H01H11/00 ,  H01H71/00

Abstract: The invention relates to a control unit (7) for a medium voltage switching apparatus (1).
The control unit is characterised in that said control unit (7) is adapted to carry out a diagnostic method (100) to check operating conditions of one or more components of said electric poles (2).
The diagnostic method (100) comprises the following steps:
- basing on a selected ideal position curve (C IP ), obtaining (101) one or more first curves (C Iv , C IT ) indicative of an ideal behaviour of said switching apparatus, during an opening manoeuvre or closing manoeuvre of the switching apparatus;
- basing on detection signals (P F , v F , T F ) provided by a closed-loop control arrangement (72) of said control unit, calculating (102) one or more second curves (C Av , C AT ) indicative of an actual behaviour of said switching apparatus, during an opening manoeuvre or closing manoeuvre of said switching apparatus;
- carrying out (103) a comparison procedure (150) among said first and second curves (C Iv , C IT , C Av , C AT ).

公开(公告)号：EP3264435B1

公开(公告)日：2019-04-24

申请号：EP16176512.8

申请日：2016-06-27

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  Reuber, Christian ,  Belloni, Francesco ,  Koivupuro, Juhani ,  Chenet, Luciano

IPC: H01H33/32 ,  H01H39/00

公开(公告)号：EP3264435A1

公开(公告)日：2018-01-03

申请号：EP16176512.8

申请日：2016-06-27

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  Reuber, Christian ,  Belloni, Francesco ,  Koivupuro, Juhani ,  Chenet, Luciano

IPC: H01H33/32 ,  H01H39/00

CPC classification number: H01H39/00 ,  H01H33/28 ,  H01H33/32 ,  H01H33/38 ,  H01H2033/6667

Abstract: The invention relates to a medium voltage circuit switch or breaker with at least one moved contact and a fixed contact, and a mechanical or magnetical drive system, which moves the fixed contact in closed or opended position, wherein the mechanical or magnetical drive system is linked to a switching generating signal, and method of operationg the same, according to the preamble of claims 1 and 7.
In order to provide a redundant actuation system which is cost effective and performing a smart TRIP function, the invention is, that additionally to the mechanical or magnetical drive system, the mechanical or magnetical drive system is provided with at least one pyrotechnical actuator or gas generator, and that the pyrotechnical actuator or the gas generator is linkable to the same switching generating signal of the mechanical or magnetical drive system.

Abstract translation: 本发明涉及一种具有至少一个移动触点和一个固定触点的中压电路开关或断路器，以及一个机械或磁力驱动系统，其将固定触点移动到闭合或打开位置，其中机械或磁力驱动系统被连接 根据权利要求1和7的前序部分，涉及一种切换生成信号及其操作方法。为了提供成本有效且执行智能TRIP功能的冗余致动系统，除了 机械或磁驱动系统，机械或磁驱动系统设有至少一个烟火致动器或气体发生器，并且烟火致动器或气体发生器可连接到机械或磁驱动系统的相同切换产生信号。

公开(公告)号：EP4503074A1

公开(公告)日：2025-02-05

申请号：EP23189111.0

申请日：2023-08-02

Applicant: ABB Schweiz AG

Inventor： Taborelli, Carlo ,  Forlani, Giorgio ,  Boffelli, Carlo ,  Bianco, Andrea

IPC: H01H1/50 ,  H01H33/666

Abstract: A Medium Voltage switching pole (1) comprises a vacuum interruption chamber (10) housing a fixed contact (2) and a movable contact (3) moving between an open position in which it is separated from the fixed contact (2) and a closed position in which it is electrically coupled to the fixed contact (2). In the closed position said movable contact (3) has a closed condition in which it is electrically coupled to the fixed contact (2) and a closed and pressed condition in which it is electrically coupled to the fixed contact (2) under a mechanical load forcing it against said fixed contact (2). The Medium Voltage switching pole (1) comprises a movable contact assembly (4) which is placed outside said vacuum interruption chamber (10) and which comprises:
- a pushrod (5) having a first end (51) which is operatively connected to an actuating drive (100) and a second end (52) which is operatively connected to said movable contact (3);
- a load counterbalancing assembly (6) comprising a supporting and guiding element (61) positioned fixed with respect to said vacuum interruption chamber (10) and an elastic load counterbalancing element (62) which is interposed between said supporting and guiding element (61) and a first coupling surface (31) on said movable contact (3);
- a pressing assembly (7) positioned at said second end (52) of said pushrod (5) and comprising an elastic pressing element (71) which is interposed between said pushrod (5) and a second coupling surface (32) on said movable contact (3).

公开(公告)号：EP3624160A1

公开(公告)日：2020-03-18

申请号：EP18193829.1

申请日：2018-09-11

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  Boffelli, Carlo ,  Penzo, Roberto

IPC: H01H9/54 ,  H01H33/59 ,  H01H1/38

Abstract: A switching device (1) for low or medium voltage electric power distribution networks, said switching device comprising one or more electric poles (2) and, for each electric pole:
- an insulating housing (3) defining an internal volume (20) of said electric pole;
- a first pole terminal (16) and a second pole terminal (17) electrically connectable with a corresponding electric phase conductor (101A) of an electric source (101) and with a corresponding electric phase conductor (102A) of an electric load (102), respectively;
- a movable contact (4) and a fixed contact (5), which are coupleable/decoupleable one to another, said fixed contact being electric connected with said first pole terminal, said movable contact being electrically connected with said second pole terminal;
- a stack (6) of semiconductor devices (60) adapted to switch in conduction state or in an interdiction state depending on the voltage provided thereto,

公开(公告)号：EP3043187B1

公开(公告)日：2020-01-01

申请号：EP15150612.8

申请日：2015-01-09

Applicant: ABB Schweiz AG

Inventor： De Natale, Gabriele Valentino ,  Testa, Marco ,  Ricci, Andrea ,  Bianco, Andrea

IPC: G01R31/327 ,  H01H47/00 ,  H02H3/04

公开(公告)号：EP3116007B1

公开(公告)日：2018-10-31

申请号：EP15175633.5

申请日：2015-07-07

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  Boffelli, Carlo ,  Faure Ragaini, Paolo ,  Penzo, Roberto

IPC: H01H9/54 ,  H01H9/56

CPC classification number: H01H9/30 ,  H01H9/54 ,  H01H9/542 ,  H01H9/56 ,  H05K1/028 ,  H05K1/181 ,  H05K2201/051 ,  H05K2201/10053 ,  H05K2201/10174

Abstract: A switching device (1) for low or medium voltage electric power distribution networks, said switching device comprising: - at least an electric pole (2) comprising a movable contact (4) and a fixed contact (5), which are coupleable/decoupleable one to another; - a circuit assembly (6), which comprises a chain (60) of semiconductor devices (601, 602, 603, 604, 605, 606) adapted to switch in an ON state or in an OFF state depending on the voltage applied thereto, said semiconductor devices being electrically connected in series one to another in such a way that a current can flow according to a predefined conduction direction (CD) when said semiconductor devices are in an ON state. The circuit assembly (6) comprises an input terminal (61), an output terminal (62) and at least an intermediate terminal (63) electrically connected with at least an intermediate electric node (64) positioned between two subsequent semiconductor devices (602, 603, 604, 605). The input terminal (61) is electrically connected with said fixed contact; The input terminal (61), the output terminal (62) and the at least an intermediate terminal (63) are electrically coupleable/decoupleable with/from said movable contact (4) when said movable contact reaches different positions (P 1 , P 2 , P 3 , P 4 ) during a movement towards/away from said fixed contact (5) in such a way that different groups (611, 612) of semiconductor devices switch in an ON state or in an OFF state at different instants (t 2 , t 3 , t 4 , t 6 , t 7 , t 8 ) during the movement of said movable contact, depending on the position reached by said movable contact.

公开(公告)号：EP3043365B1

公开(公告)日：2017-12-27

申请号：EP15150502.1

申请日：2015-01-08

Applicant: ABB Schweiz AG

Inventor： Bianco, Andrea ,  Ricci, Andrea ,  Mannino, Fabio ,  De Natale, Gabriele Valentino

IPC: H01H7/16 ,  H01H9/56

CPC classification number: H01H9/56 ,  H01H7/16

Abstract: A method for controlling a switching device having at least one phase comprising at least one couple of contacts which can be actuated for switching between a closed condition and an open condition, comprising: - providing control means for controlling the actuation of the at least one couple of contacts, such control means being adapted to operate using time cycles; - setting the time cycles with a predetermined time duration; - detecting a difference of a value of a parameter associated to the phase with respect a preset value; - if the value of the parameter is equal to the preset value, controlling the actuation the couple of contacts through the control means using the time cycles with the predetermined time duration, so as the switching of the couple of contacts is controlled to occur at a predetermined electrical angle of a waveform of an electrical signal associated to the phase; - when the difference is detected, modifying the predetermined time duration according to the detected difference; and - controlling the actuation of the couple of contacts through said control means using the time cycles with the modified time duration, wherein the modification is such that the switching of the couple of contacts is controlled to occur at said predetermined electrical angle.

公开(公告)号：EP3672023A1

公开(公告)日：2020-06-24

申请号：EP18213084.9

申请日：2018-12-17

Applicant: ABB Schweiz AG

Inventor： Usai, Roberto ,  Testa, Marco ,  Khalifa, Yaser ,  Bianco, Andrea

IPC: H02J9/06

Abstract: An UPS device for electric power distribution installations, said UPS device comprising:
- first electric terminals for electrical connection with an electric load to be fed by said UPS device;
- second electric terminals for electrical connection with a power supply source adapted to feed said UPS device;
- third electric terminals for electrical connection with a back-up unit adapted to feed said UPS device, when said power supply source is not available, said back-up unit having one or more replaceable batteries;
- a power conversion stage electrically connectable with said first, second and third electric terminals, said power conversion stage being adapted to receive a power supply voltage from said power supply source or a back-up voltage from said back-up unit, when said power supply source is not available, and being adapted to provide an adjustable load voltage to said electric load;
- an interface stage to electrically couple or decouple said back-up unit with or from said power conversion stage.
Said interface stage comprises a feeding circuit to temporary feed said controller during a transient time interval following a replacement of the batteries of said back-unit.