Author, as appears in the article.: Muñoz-Ramírez M; Valderrama-Blavi H; Rivera M; Restrepo C
Department: Enginyeria Electrònica, Elèctrica i Automàtica
e-ISSN: 1996-1073
URV's Author/s: Valderrama Blavi, Hugo
Keywords: Sampling methods Phase disposition Multilevel inverter Level distribution Carrier shape ratio
Abstract: © 2019 by the authors. This paper introduces an approach that applies a digital sampling technique for a sinusoidal pulse width modulation (SPWM) multilevel inverter modulation that reduces the total harmonic contents in the output voltage compared to that of classical regular sampling techniques. This new modulation emulates with a high degree of fidelity a natural sampling pulse width modulation (PWM). The theoretical analysis of this new digital technique compared with natural sampling has been validated by simulations and through experiments with a built prototype that performed five–level inverter modulations with vertically displaced carriers in phase disposition. Both simulation and experimental results generate a SPWM output voltage with higher fidelity than classic regular sampling techniques, allowing a reduction of the filtering demands on the inverter output, which in turn can decrease the converter size and its manufacturing costs. As the presented technique is digital, the resulting modulation is more robust against switching noise, jitter, and other system perturbations and the modulation parameters can be changed easily, even in an automated way. For this reason, the modulation introduced here can be a useful tool to perform spectral analysis for different multilevel modulations and systems.
Thematic Areas: Zootecnia / recursos pesqueiros Renewable energy, sustainability and the environment Renewable energy, sustainability and the environm Interdisciplinar General computer science Fuel technology Engineering (miscellaneous) Engenharias iv Engenharias iii Engenharias ii Energy engineering and power technology Energy (miscellaneous) Energy & fuels Electrical and electronic engineering Economia Control and optimization Ciências ambientais Ciências agrárias i Ciência da computação Building and construction Biotecnología Biodiversidade Astronomia / física
licence for use: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 19961073
Author's mail: hugo.valderrama@urv.cat
Author identifier: 0000-0003-2892-8209
Record's date: 2024-07-27
Journal volume: 12
Papper version: info:eu-repo/semantics/publishedVersion
Link to the original source: https://www.mdpi.com/1996-1073/12/15/2925
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Energies. 12 (15):
APA: Muñoz-Ramírez M; Valderrama-Blavi H; Rivera M; Restrepo C (2019). An approach to natural sampling using a digital sampling technique for SPWM multilevel inverter modulation. Energies, 12(15), -. DOI: 10.3390/en12152925
Article's DOI: 10.3390/en12152925
Entity: Universitat Rovira i Virgili
Journal publication year: 2019
Publication Type: Journal Publications