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Transient Over Voltages in PWM Variable Speed AC Drives – Modeling and Analysis
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| Author(s) |
J.-P. Ström; M. Koski; H. Muittari; P. Silventoinen |
| Abstract |
In this paper, transient motor over voltages caused by the operation of a pulse width modulation based variable speed AC drive utilizing IGBT semiconductor power switches are discussed. The voltage reflections occurring at the interconnecting power cable interfaces are analyzed using transmission line theory. Also, the most common solutions to the over voltage problem are presented. The frequency converter-interconnecting power cable-motor system is modeled using the Matlab Simulink package and the simulation results are compared to measured over voltage transients. |
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| Filename: | Unnamed file |
| Filesize: | 264.7 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-11-27 by System |
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