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Advanced DSP Control of 3-level DC/AC Converter for Variable-Speed PMSG
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| Author(s) |
Mariusz Malinowski, Wojciech Kolomyjski, Marian P. Kazmierkowski, Sebastian Stynski |
| Abstract |
This paper proposes an advanced control of threephase
three-level neutral point clamped (3L-NPC) PWM
converter connecting a permanent magnet synchronous
generator (PMSG) to a grid. Control scheme is mainly based
on active and reactive power loops and contains following
additional blocks: virtual flux and filter-capacitor voltage
estimators for sensorless operation, active damping (AD) of
possible resonances in LCL filter connecting converter to the
grid, PWM modulator with DC link voltage balancing and
minimization of switching losses. It is shown that the
proposed control method exhibits several features as:
sensorless operation, robust algorithm, minimization of
switching losses as well as simple tuning procedure of AD.
Simulation and experimental results have proven a good
performance and verified the validity of the proposed
system. |
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| Filename: | T3-122.pdf |
| Filesize: | 1.952 MB |
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| Type |
Members Only |
| Date |
Last modified 2007-03-13 by System |
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