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Some issues on stabilization of an induction machine drive
KTH, Superseded Departments, Signals, Sensors and Systems. Bombardier Transportation, Sweden .
2004 (English)In: Proceedings of the IEEE Conference on Decision and Control, 2004, 4441-4446 p.Conference paper (Refereed)
Abstract [en]

Stability problems due to interaction between the input filter and the voltage source inverter of an induction machine drive are revised. By incorporating properties of the input filter, previous work on stabilization is extended to increase the stability margins of the drive. The strategy is to assure a small phase shift of the inverter input admittance in a frequency region around the input filter resonance frequency. It is motivated why stabilization at zero torque is more critical with a low resonance frequency of the input filter compared to a high. This is a property known from practical experience. It is also shown how dynamic stabilization gains can be used to compensate for limited control bandwidth. This way the drive can be stabilized for very large powers.

Place, publisher, year, edition, pages
2004. 4441-4446 p.
, Proceedings of the IEEE Conference on Decision and Control, ISSN 0191-2216 ; 4
Keyword [en]
Bode plot, Damping factor, Dynamic stabilization, Power losses, Asynchronous machinery, Damping, Electric admittance, Electric filters, Electric inverters, Electric potential, Laplace transforms, Natural frequencies, Oscillations, Phase shift, Resonance, Rotors, System stability, Transients, Electric drives
National Category
URN: urn:nbn:se:kth:diva-157763DOI: 10.1109/CDC.2004.1429450ISI: 000226745603181ScopusID: 2-s2.0-14244264572ISBN: 0780386825OAI: diva2:771851
2004 43rd IEEE Conference on Decision and Control (CDC), 14 December 2004 through 17 December 2004, Nassau

QC 20141215

Available from: 2014-12-15 Created: 2014-12-15 Last updated: 2014-12-15Bibliographically approved

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