Exploració per autor "Ceballos Recio, Salvador"

Utilising redundant voltage levels for circulating current control in modular multilevel converters

Konstantinou, Georgios; Pou Félix, Josep; Ceballos Recio, Salvador; Picas Prat, Ricard; Zaragoza Bertomeu, Jordi; Agelidis, Vassilios (2015)
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Accés obert

Variable-Frequency Grid-Sequence Detector Based on a Quasi-Ideal Low-Pass Filter Stage and a Phase-Locked Loop

Robles Sestafe, Eider; Ceballos Recio, Salvador; Pou Félix, Josep; Martin, Jose Luis; Zaragoza Bertomeu, Jordi; Ibáñez, P. (2010-09)
Article
Accés obert

This paper proposes a filtered-sequence phase-locked loop (FSPLL) structure for detection of the positive sequence in three-phase systems. The structure includes the use of the Park transformation and moving average ...

Varying and unequal carrier frequency PWM techniques for modular multilevel converters

Konstantinou, Georgios; Darus, Rosheila; Pou Félix, Josep; Ceballos Recio, Salvador; Agelidis, Vassilios (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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Accés restringit per política de l'editorial

Carrier-based pulse-width modulation (PWM) strategies are commonly applied to modular multilevel converters (MMC). This paper proposes a modified PWM technique with unequal and varying carrier frequencies between consecutive ...