The Control Algorithm of Three-Level NPC Inverter under Unbalanced Input Voltage Conditions

Yu, Yong-ho; Ku, Nam-Joon; Hyun, Dong-Seok

doi:10.1109/vppc.2014.7007142

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Npc Converter and Space Vector Modulation (Svm)1

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“…The current is then flowing from the diodes through the switches 1 to to the output . It is to note that any other configuration is not permitted and each voltage level is realized by an only one configuration [19,20]. In this paper, the triplet ( , , ), called Phase Level Sequence (PLS), is introduced for a three-phase multilevel neutral point clamped inverters, where ( and , resp.)…”

Section: Npc Converter and Space Vector Modulation (Svm)mentioning

confidence: 99%

Space Vector Modulation Technique for 3-Level NPC Converter with Constant Switching Frequency

Ouerdani

Abdelghani

et al. 2016

Advances in Power Electronics

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This paper presents a simple Space Vector Modulation (SVM) methodology for a three-level NPC converter. Nearest three vectors (NTV) and corresponding duty cycles are deduced through simple generic mathematical expressions. Extra degrees of freedom of NPC converter are used to fully benefit from SVM advantages and to control the switching frequency. Simulation and experimental results are presented and discussed to validate the proposed methodology.

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Section: Npc Converter and Space Vector Modulation (Svm)mentioning

confidence: 99%