Modelling and Validation of a Grid-Connected DFIG by Exploiting the Frequency-Domain Harmonic Analysis - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Applied Sciences Année : 2020

Modelling and Validation of a Grid-Connected DFIG by Exploiting the Frequency-Domain Harmonic Analysis

Résumé

Wind Energy Conversion Systems (WECS) based on a Doubly-Fed Induction Generator (DFIG) represent the most common configuration employed in wind turbines. These systems involve injecting harmonic currents toward an electrical grid from a back-to-back power converter, potentially creating voltage distortions. To assess this phenomenon, a case study of a 3 kW DFIG-based wind turbine connected to the electrical grid is presented for analysis in the harmonic domain. Initially, a DFIG-based load flow analysis for determining the operating conditions is tackled at the fundamental frequency. Then, the modelling of a DFIG under steady-state operating conditions at harmonic frequencies is analyzed discussing its characteristics in the harmonic domain. The high-frequency harmonics in the output voltage of a pulse width modulation-driven inverter feeding the rotor windings of a DFIG and its connection to a three-winding transformer are also analyzed. This investigation produced a complete model of the DFIG connected to the electrical grid. The results demonstrated that although a considerable harmonic contribution up to the 25th order exists, it remains harmless since it is below 5%, according to the Std. IEEE 519.
Fichier principal
Vignette du fichier
2020_MDPI_applied_science.pdf (4.4 Mo) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte

Dates et versions

hal-03179877 , version 1 (24-03-2021)

Identifiants

Citer

Emmanuel Hernández-Mayoral, Reynaldo Iracheta-Cortez, Vincent Léchappé, Oscar Alfredo Jaramillo Salgado. Modelling and Validation of a Grid-Connected DFIG by Exploiting the Frequency-Domain Harmonic Analysis. Applied Sciences, 2020, 10 (24), pp.9014. ⟨10.3390/app10249014⟩. ⟨hal-03179877⟩
44 Consultations
114 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More