公开(公告)号：EP3553033A1

公开(公告)日：2019-10-16

申请号：EP18167319.5

申请日：2018-04-13

Applicant: ABB Schweiz AG

Inventor： Panousis, Emmanouil ,  Kassubek, Frank ,  Votteler, Torsten ,  Ortiz, Gabriel ,  Bianda, Enea ,  Carstensen, Jan ,  Garyfallos, Angelos ,  Rodriquez-Vilches, Seila

IPC: C02F1/72 ,  B01F5/04 ,  B63J4/00

Abstract: A ballast water treatment apparatus (100) and a ballast water treatment system (1) having a ballast water treatment apparatus (100) are provided. The ballast water treatment apparatus (100) includes a ballast water transport line (10) configured to transport ballast water between a first location (A) and a second location (B), the transported ballast water being passed through at least one injector (20), and a plasma generation device (30) configured to be fed with a feed gas comprising oxygen, and configured to generate a feed gas plasma (35) by a non-thermal discharge in a discharge area (36) to provide a treated gas at a treated-gas outlet (37). The injector (20) comprises a liquid passage (21) having an area (22) constructed such as to increase a velocity of the passed-through water in a region (26) of increased velocity, and an injector gas inlet (25) provided in the region (26) of increased velocity. The treated-gas outlet (37) is in gaseous connection with the injector gas inlet (25).

公开(公告)号：EP3910658A1

公开(公告)日：2021-11-17

申请号：EP20174638.5

申请日：2020-05-14

Applicant: ABB Schweiz AG

Inventor： Ranjan, Nitesh ,  Babou, Yacine ,  Carstensen, Jan ,  Rager, Felix ,  Lantz, Gabriel ,  Abplanalp, Markus

IPC: H01H9/36 ,  H01H33/10

Abstract: A switching apparatus for electric power distribution grids comprising:
- one or more electric poles;
- for each electric pole, at least a fixed contact and a movable contact. The movable contact is reversibly movable between a coupled position, at which said movable contact is coupled with said fixed contact, and an uncoupled position, at which said movable contact is separated from said fixed contact;
- for each electric pole, an arc-breaking assembly comprising an arc-chute arrangement including a plurality of arc-breaking plates. Said arc-breaking plates are electrically disconnected from said fixed contact, said movable contact and other live parts of said electric pole, so that they normally are at a floating voltage potential.
The arc breaking assembly comprises at least an electronic circuit including semiconductor switches, which has a first terminal electrically connected with at least an arc-breaking plate and a second terminal electrically connected with at least another arc-breaking plate.

公开(公告)号：EP3611745A1

公开(公告)日：2020-02-19

申请号：EP18189231.6

申请日：2018-08-16

Applicant: ABB Schweiz AG

Inventor： RANJAN, Nitesh ,  Carstensen, Jan ,  Bujotzek, Markus ,  Over, Daniel ,  Schwinne, Michael

IPC: H01H33/90 ,  H01H33/70 ,  H01H33/915 ,  H01H33/91 ,  H01H1/38 ,  H01H3/46

Abstract: The load break switch (1) comprises a housing (2) defining a housing volume for holding an insulation gas; a movable contact (20) and a fixed contact (10) arranged within the housing volume, the movable contact (20) being movable in relation to the fixed contact (10) along an arcuate trajectory (A) of movement and defining an arcing region (52) in which an arc is formed during an opening operation of the switch (1); a pressurizing system (40, 41), actuated by a movement of the movable contact (20) during opening of the switch (1), for pressurizing the insulation gas; a nozzle (30), the nozzle being arranged within the housing volume and being fixed to the movable contact (20) and/or defining a contacting part (20, 24) of the movable contact (20), wherein the nozzle (30) is adapted to blow the pressurized insulation gas into the arcing region (52) substantially tangentially to the arcuate trajectory (A).

公开(公告)号：EP3905291A1

公开(公告)日：2021-11-03

申请号：EP20171867.3

申请日：2020-04-28

Applicant: ABB Schweiz AG

Inventor： Ranjan, Nitesh ,  Babou, Yacine ,  Lantz, Gabriel ,  Abplanalp, Markus ,  Rager, Felix Theodor Erich ,  Carstensen, Jan

IPC: H01H33/10

Abstract: A medium voltage gas insulated switch (100) comprising a first electric contact (102); and a second electric contact (104) that is moveable with respect to the first electric contact and a plurality (200) of splitter plates (200-1, 200-2, ...) configured to interrupt an electric arc (110) between the first electric contact (102) and the second electric contact (104) during the switching operation of the switch; a splitter plate holder (300, 510) that holds the plurality of splitter plates; and wherein at least a part of the plurality (200) of splitter plates is arranged in a non-parallel manner to each other and at substantially the same distance from a trajectory of the moveable second electric contact.