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In modern Power Electronics systems high switching frequencies are employed to increase power density, but EMC filter components are responsible for a large volumetric occupation of the power system. In some cases the EMC filters required to fulfill EMC regulations cover more than 30% of the total system volume. In a world where space gets expensive, the volumetric reduction of the components in EMC filters is of great importance aiming for reduced dimensions. This work proposed modeling techniques for the generation and propagation of conducted emissions in three-phase converters and filter concepts aiming to meet EMC standards and reduce the volume of the EMC filters. Optimizing EMC filters requires several steps to be performed, which are described here focusing on three-phase PWM converters. Finally, a discussion quantifying how much filters strongly impact the volume of three-phase PWM converter systems is preformed.
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EMC Filtering of Three-Phase PWM Converters, Marcelo Lobo Heldwein
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- 2009
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