Induction Motor Drives Equipped With Diode Rectifier and Small DC-Link Capacitance
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School of Electrical Engineering |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Authors
Date
2008
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Mcode
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Language
en
Pages
312-320
Series
IEEE Transactions on Industrial Electronics, Volume 55, Issue 1
Abstract
This paper deals with sensorless vector-controlled induction motor drives that are fed by a frequency converter equipped with a diode front-end rectifier. A small DC-link capacitance is used, which makes it possible to replace the electrolytic capacitors with film capacitors. The natural frequency of the DC link is chosen considerably higher than six times the mains frequency but lower than the switching frequency. A recently proposed sensorless controller can be exploited; only minor modifications for small capacitances are needed. Simulation and experimental results of a 2.2-kW drive equipped with a capacitance of only 24 µF demonstrate operation in a wide speed range.Description
Keywords
control, DC link, film capacitors, sensorless
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Citation
Hinkkanen, Marko & Luomi, Jorma. 2008. Induction Motor Drives Equipped With Diode Rectifier and Small DC-Link Capacitance. IEEE Trans. Ind. Electron.. Volume 55, Issue 1. 312-320. ISSN 0278-0046 (printed). DOI: 10.1109/tie.2007.903959.