2026-04-07T11:46:04Zhttps://ebiltegia.mondragon.edu/oai/requestoai:ebiltegia.mondragon.edu:20.500.11984/55592024-03-04T09:41:59Zcom_20.500.11984_473col_20.500.11984_478
DC-Link Neutral Point Control for 3L-NPC Converters Utilizing Selective Harmonic Elimination PWM
Mazuela, Mikel
Sánchez Ruiz, Alain
Fernández-Rebolleda, Hector
Ceballos, Salvador
Pérez-Basante, Ángel Luis
Ibáñez-Hidalgo, Irati
Zubiaga, Markel
Pou, Josep
Beniwal, Neha
Konstantinou, Georgios
Voltage control
Modulation
Harmonic analysis
Topology
Switches
Capacitors
Reactive power
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. This article presents a control technique, based on pulse shifting method, to regulate the neutral point voltage when SHE-PWM is utilized. The proposed technique performs well with any power factor and it can also be directly applied to T-type converters and easily extrapolated to other multilevel topologies. The proposed method is experimentally validated in a scaled-down power converter and a full-scale medium-voltage 3L-NPC converter.
2022-05-03T12:53:04Z
2022-05-03T12:53:04Z
2021
http://purl.org/coar/resource_type/c_6501
1557-9948
https://katalogoa.mondragon.edu/janium-bin/janium_login_opac.pl?find&ficha_no=164915
https://hdl.handle.net/20.500.11984/5559
eng
© 2021 IEEE
IEEE