公开(公告)号：EP4120558A1

公开(公告)日：2023-01-18

申请号：EP21185874.1

申请日：2021-07-15

申请人： ABB SCHWEIZ AG

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

IPC分类号： H02P27/04 ,  H02P27/06

摘要： The present invention relates to the 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 vibration of an electric machine. The arrangement of the present invention for controlling vibration of an electric machine (12) comprises a frequency converter (11), one or more vibration sensors (21-22, 41, 51) and an electric machine (12), wherein said one or more vibration sensors (21-22, 41, 51) is/are arranged for measuring the vibration from said electric machine (12) and for producing measured vibration data; and wherein said frequency converter (11) is arranged for generating a control torque for exerting said control torque on the stator of said electric machine (12), said control torque being determined utilizing said measured vibration data.

公开(公告)号：EP4184133A1

公开(公告)日：2023-05-24

申请号：EP21209034.4

申请日：2021-11-18

申请人： ABB SCHWEIZ AG

发明人： Holopainen, Timo ,  Roivainen, Janne ,  Iisakkala, Jarkko ,  Ryyppö, Tommi ,  Ikäheimo, Jouni ,  Liukkonen, Olli ,  Toukonen, Jukka ,  Westerlund, Jan

IPC分类号： G01H3/06

摘要： The invention relates to the field of electric drive devices and electric machines, such as electric drive motors and electric generators for industrial applications, and more particularly to a method and an arrangement for monitoring of an electric drive systems device. The arrangement for monitoring of an electric drive systems device (11, 12) according to the present invention comprises an electric drive systems device (11, 12), and one or more microphones (21-25) arranged inside a frame of said electric drive systems device (11, 12), wherein said one or more microphones (21-25) is/are arranged for measuring sound inside said electric drive systems device (11, 12) and for producing measured sound data, said measured sound data being utilized in monitoring of said electric drive systems device (11, 12).