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00925njm 22002777a 4500 dc Pérez Magrané, Ramon author Puig Cayuela, Vicenç author Pascual Pañach, Josep author Quevedo Casín, Joseba Jokin author Landeros, E. author Peralta, Antoni author 2011-07 This letter proposes a phase-shifted pulse-width modulation (PS-PWM) technique for the flying capacitor (FC) multilevel converter that improves the quality of the line-to-line voltages. In traditional PS-PWM, the line-to-line voltages include intervals that switch between non-adjacent voltage levels, which deteriorates the harmonic performance. The proposed PS-PWM constantly achieves line-to-line voltages with switching transitions between two adjacent levels. The proposed modulation technique is implemented using two sets of n evenly phase-shifted carriers that are alternatively applied depending on the instantaneous value of the reference signal of each phase-leg. Furthermore, it can be implemented in FC multilevel converters with any number of levels while maintaining natural capacitor voltage balance. Experimental results from a four-level FC converter prototype are presented. Peer Reviewed Postprint (published version) Àrees temàtiques de la UPC::Informàtica::Automàtica i control Detectors Water-supply Automatic control Detectors Aigua--Abastament Control automàtic Methodology for leakage isolation using pressure sensitivity analysis in water distribution networks