Reducing circulating currents in interleaved converter legs under selective harmonic elimination pulse-width modulation
| Autor: | Georgios Konstantinou, Salvador Ceballos, Vassilios G. Agelidis, Gabriel J. Capella, Josep Pou |
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| Přispěvatelé: | Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica, Universitat Politècnica de Catalunya. TIEG-P - Terrassa Industrial Electronics Group -Power |
| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Materials science
multilevel converters Inductor Electric inductors SHEPWM Control theory Electric currents Electronic engineering Waveform Convertidors de corrent elèctric Voltage source selective harmonic elimination Terms—Interleaving Modulation (Electronics) Enginyeria electrònica [Àrees temàtiques de la UPC] Converters Electric current converters Modulation voltage source converters parallel legs multilevel waveforms Corrents continus Inductors elèctrics Modulació (Electrònica) Pulse-width modulation Voltage |
| Zdroj: | UPCommons. Portal del coneixement obert de la UPC Universitat Politècnica de Catalunya (UPC) Recercat. Dipósit de la Recerca de Catalunya instname ICIT |
| Popis: | Interleaving of voltage source converter legs enables higher output currents per phase, effectively increasing the power rating without increasing semiconductor ratings. Different switching patterns between the converter legs increase the number of Thevenin output voltage levels and, hence, the quality of the waveform but also generate circulating currents within one phase. This paper proposes a controller for interleaved converter legs under selective harmonic elimination pulse-width modulation (SHE-PWM) aimed at reducing the circulating current within the legs of each phase. The controller is used in combination with optimally selected SHE-PWM patterns to minimise the peak value of the circulating current. The proposed controller is applied in two interleaved three-level active neutral-point-clamped converters and simulation results demonstrate their performance. |
| Databáze: | OpenAIRE |
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