Foundation forces caused by dynamic air gap torques of converter driven induction motors influenced by active vibration control: a theoretical analysis

  • In the paper, a theoretical analysis regarding foundation forces caused by dynamic air gap torques of converter-driven induction motors, influenced by active vibration control, is shown. Based on a plane model, where actuators are placed between the motor feet and steel frame foundation and where the vertical motor feet accelerations are controlled, a mathematical description in the time domain, Laplace domain, and Fourier domain is presented, as well as a block diagram for numerical simulation. A numerical example is shown, where a 2-pole induction motor (2 MW) is analyzed for different cases—motor directly mounted on a steel frame foundation (case 1), actuators between motor feet and foundation, operating passively (case 2) and actively (case 3). It could be shown, that with the presented active vibration control concept the foundation forces due to dynamic air gap torques can be clearly reduced.

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Metadaten
Author:Ulrich WernerORCiD
DOI:https://doi.org/10.1007/s00202-021-01454-8
Parent Title (English):Electrical Engineering
Publisher:Springer
Editor:ulrich wernerORCiD
Document Type:Article
Language:English
Date of first Publication:2021/12/14
Reviewed:Begutachtet/Reviewed
Release Date:2025/12/12
GND Keyword:Induction motor; Active vibation control; Dynamic air gap torques; Foundation forces
Volume:104
Pagenumber:17
institutes:Institut für leistungselektronische Systeme ELSYS
Research Themes:Energie & Ressourcen
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International
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