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Flatness-Based Voltage-Oriented Control of Three-Phase PWM Rectifiers
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| Author(s) |
J. Dannehl and F. W. Fuchs |
| Abstract |
Flatness-based control is applied to the three-phase PWM-rectifier in synchronous reference frame. The DC-link voltage and reactive current are shown to be flat outputs of the full-order system. Two different approaches are presented. At first the DC-link voltage is controlled directly. The second employs inner current loops. Feed forward design based on system flatness is shown and discussed. In many applications the DC-link voltage and reactive current are controlled to constant values. In this case the direct flatness-based approach offers no advantages compared to conventional voltage-oriented PI-control whereas the second approach outperforms it with respect to the obtained control dynamic. |
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| Filename: | 292.pdf |
| Filesize: | 246.1 KB |
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| Type |
Members Only |
| Date |
Last modified 2008-12-07 by System |
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