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The extended commutation cell is a four-port, four-switch cell that allows for bidirectional energy transport in two orthogonal directions throughout the cell. By cascading multiple cells a multilevel converter can be constructed with a high number of cells. The voltage across each cell capacitor can be adjusted independently of the load, resulting in high(More)
This paper presents the comparison between dissipative RCD and passive regenerative snubber cells for isolated SEPIC converters. The passive cell is intended to improve the converter's efficiency by transferring the energy stored in the transformer leakage inductance to the converter output. The analysis for both snubbers are detailed including design(More)
The extended commutation cell is a four-port, four-switch cell that allows for bidirectional energy transport in two orthogonal directions throughout the cell. The voltage across each cell capacitor can be adjusted independently of the load, resulting in high flexibility in output levels. By placing the capacitors in (anti-) series while adjusting their(More)
An extended commutation cell (ECC) is a four-port four-switch power processing cell that allows for bidirectional energy transport in two orthogonal directions throughout the structure. By cascading multiple cells a high-quality output voltage waveform can be constructed with a high number of levels. In this paper a model of the internal energy flow,(More)
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