公开(公告)号：US20200343778A1

公开(公告)日：2020-10-29

申请号：US16927166

申请日：2020-07-13

Applicant: ABB Schweiz AG

Inventor： Janne Roivainen ,  Panu Hava

IPC: H02K1/18 ,  H02K5/15 ,  H02K5/24

Abstract: The electric machine includes a stator core with a longitudinal centre axis and a frame surrounding the stator core. The stator core is attached to the frame through four fastening points, wherein two fastening points are positioned at a first axial end of the stator core on opposite sides of the longitudinal centre axis and two fastening points are positioned at a second opposite axial end of the stator core on opposite sides of the longitudinal centre axis.

公开(公告)号：US20230017735A1

公开(公告)日：2023-01-19

申请号：US17812828

申请日：2022-07-15

Applicant: ABB Schweiz AG

Inventor： Timo Holopainen ,  Olli Liukkonen ,  Janne Roivainen ,  Tommi Ryyppö ,  Aron Szucs

IPC: G01M13/045 ,  G01H17/00 ,  H02P23/30 ,  H02P25/024

Abstract: A field of electric drive devices and electric machines, such as electric motors and electric generators for industrial applications, and more particularly to a method, an arrangement and a frequency converter for controlling lateral vibration of an electric machine. The arrangement of the present invention for controlling lateral vibration of an electric machine includes a frequency converter, one or more vibration sensors and an electric machine, wherein the one or more vibration sensors is/are arranged for measuring the lateral vibration from the electric machine and for producing measured vibration data; and wherein the frequency converter is arranged for generating a control torque for exerting the control torque on the stator of the electric machine, the control torque being determined utilizing the measured vibration data.