Título:
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Voltage balancing method using phase-shifted PWM for stacked multicell converters
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Autor/a:
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Ghias, Amer M.Y.M.; Pou Félix, Josep; Agelidis, Vassilios; Ciobotaru, Mihai
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Otros autores:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. TIEG - Terrassa Industrial Electronics Group |
Abstract:
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This paper proposes an active voltage balancing method for stacked multicell converters (SMC) using phase-shifted pulse-width modulation, which is easy to implement and extend to high number of levels. The proposed method balances the voltages of the capacitors by modifying the duty cycle of each switch of the SMC using a proportional controller. The crossed effect between capacitor currents and duty cycles is considered and is used for optimal capacitor voltage balance. The performance of the proposed voltage balancing method is verified by simulation for different operating conditions, such as unbalanced linear loads, non-linear loads and load transients. |
Abstract:
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Peer Reviewed |
Materia(s):
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-Àrees temàtiques de la UPC::Enginyeria electrònica -Electric current converters -Capacitors -Multilevel converter -Stacked multicell converter -Capacitor voltage balancing -Pulse-width modulation. -Ràdio--Freqüència modulada -Convertidors de corrent elèctric -Condensadors elèctrics |
Derechos:
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Tipo de documento:
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Artículo - Versión publicada Objeto de conferencia |
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