公开(公告)号：EP3934043A1

公开(公告)日：2022-01-05

申请号：EP20183053.6

申请日：2020-06-30

Applicant: ABB Schweiz AG

Inventor： Lendenmann, Heinz ,  Missing, Kim ,  Virtanen, Esa ,  Wagner, Thomas

IPC: H02H9/06

Abstract: An arrangement (1) for an overvoltage protection of a subsea electrical apparatus and a method for operating it. The arrangement (1) comprises a tank (3) submersible below a water surface level, an electrical apparatus accommodated in the tank (3), and a surge arrester arrangement (6) accommodated in the tank (3) and coupled to a power supply of the electrical apparatus in the tank (3) for providing the overvoltage protection of the electrical apparatus. The arrangement (1) further comprises a controllable grounding switch (7) for connecting the surge arrester arrangement (6) to a ground point (GP) in response to a control of the grounding switch (7) to a closed state and for disconnecting the surge arrester arrangement (6) from the ground point (GP) in response to a control of the grounding switch (7) to an open state.

公开(公告)号：EP3940936A1

公开(公告)日：2022-01-19

申请号：EP20186232.3

申请日：2020-07-16

Applicant: ABB Schweiz AG

Inventor： Schlapbach, Ulrich ,  Mueller, Andreas ,  Lendenmann, Heinz

IPC: H02M1/084 ,  H02M1/32 ,  H02M7/00 ,  H02M7/49

Abstract: An electrical converter (100) comprises: a plurality of converter cells (104) series-connected at their outputs, each of the converter cells (104) adapted for converting a supply voltage (110) into an output voltage (114); a superordinate controller (230) for controlling the output voltage (114) of each of the converter cells (104); wherein each of the converter cells (104) comprises a control board (218) for controlling power switches (S1, S2, S3, S4) of the converter cell (104), a bypass device (222) adapted for short-circuiting the converter cell (104) at its output and an additional control board (224) for controlling the bypass device (222); wherein each of the control boards (218) is at least connected to the superordinate controller (230) for data communication; wherein each of the additional control boards (224) is at least connected to another additional control board (224) for data communication.

公开(公告)号：EP2960915B1

公开(公告)日：2017-05-10

申请号：EP14173925.0

申请日：2014-06-25

Applicant: ABB Schweiz AG

Inventor： Bessire, Cedric ,  Duran, Hamit ,  Spindler, Christian ,  Schuderer, Juergen ,  Lendenmann, Heinz ,  Duarte, Liliana

IPC: H01H9/04 ,  H01H35/34 ,  H01H85/00 ,  G01D11/24 ,  E21B33/03 ,  H01L23/051 ,  H05K7/14

CPC classification number: H05K7/1432 ,  H01L23/051 ,  H01L2924/0002 ,  H01L2924/13055 ,  H01L2924/00

公开(公告)号：EP1914875B8

公开(公告)日：2019-09-11

申请号：EP06122689.0

申请日：2006-10-20

Applicant: ABB Schweiz AG

Inventor： Nolemo, Jan-Anders ,  Ek, Magnus ,  Lendenmann, Heinz ,  Kristensson, Jesper

IPC: H02P3/18