DC-Link Neutral Point Control for 3L-NPC Converters Utilizing Selective Harmonic Elimination–PWM

Alain Sanchez-Ruiz,Mikel Mazuela,Hector Fernandez-Rebolleda,Salvador Ceballos,Angel Perez-Basante,Irati Ibanez-Hidalgo,Markel Zubiaga,Josep Pou,Neha Beniwal,Georgios Konstantinou

IEEE Transactions on Industrial Electronics（2022）

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摘要

Selective harmonic elimination–pulsewidth modulation (SHE–PWM) is a modulation technique widely used to improve the efficiency and harmonic content in medium-voltage high-power converters. Among these converters, the three-level neutral-point-clamped (3L-NPC) converter is one of the most utilized topologies. However, the 3L-NPC converter requires a proper balancing of dc-link capacitor voltages. T...

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关键词

Voltage control,Modulation,Harmonic analysis,Topology,Switches,Capacitors,Reactive power

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