公开(公告)号：US12176833B2

公开(公告)日：2024-12-24

申请号：US18067880

申请日：2022-12-19

Applicant: Danfoss Power Electronics A/S

Inventor： Daniel Andersen ,  Jörg Dannehl ,  Virgil Ioan Lupu

IPC: H02P23/04

Abstract: The present invention is directed at a method for operating rotating machinery, such as an electric motor, by means of a variable speed drive (VSD). The variable speed drive is provided for identifying mechanical resonance points by means of a sensor and corresponding speeds of the machinery; storing the speeds at which the identified mechanical resonance points occur; and bypassing the speeds at which the identified mechanical resonance points occur during operation of the rotating machinery. The invention is also directed at a variable speed drive for performing said method.

公开(公告)号：US20230198441A1

公开(公告)日：2023-06-22

申请号：US18067880

申请日：2022-12-19

Applicant: Danfoss Power Electronics A/S

Inventor： Daniel Andersen ,  Jörg Dannehl ,  Virgil Ioan Lupu

IPC: H02P23/04

CPC classification number: H02P23/04

Abstract: The present invention is directed at a method for operating rotating machinery, such as an electric motor, by means of a variable speed drive (VSD). The variable speed drive is provided for identifying mechanical resonance points by means of a sensor and corresponding speeds of the machinery; storing the speeds at which the identified mechanical resonance points occur; and bypassing the speeds at which the identified mechanical resonance points occur during operation of the rotating machinery. The invention is also directed at a variable speed drive for performing said method.