Two new fault tolerant multilevel PWM techniques, devoted to the command of Cascaded Multilevel (CM) converters, are presented: a Sine PWM with interleaved carriers technique and a Space Vector PWM technique, based on the redundancy properties inherent in multilevel modulation schemes. A performance comparison among the new devised PWM techniques and some already existing solutions is also carried out in normal and fault conditions.
Fault-tolerant cascaded multilevel converters using space vector and phase-shifted PWM techniques
MARAGLIANO, GIANMARCO;MARCHESONI, MARIO;PARODI, GIANLUCA;VACCARO, LUIS RAMON
2011-01-01
Abstract
Two new fault tolerant multilevel PWM techniques, devoted to the command of Cascaded Multilevel (CM) converters, are presented: a Sine PWM with interleaved carriers technique and a Space Vector PWM technique, based on the redundancy properties inherent in multilevel modulation schemes. A performance comparison among the new devised PWM techniques and some already existing solutions is also carried out in normal and fault conditions.
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