THD reduction in wind energy system using type-4 wind turbine/PMSG applying the active front-end converter parallel operation

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Salgado-Herrera, Nadia Maria and Campos-Gaona, David and Anaya-Lara, Olimpo and Medina-Rios, Aurelio and Tapia-Sánchez, Roberto and Rodriguez-Rodriguez, Juan Ramon (2018) THD reduction in wind energy system using type-4 wind turbine/PMSG applying the active front-end converter parallel operation. Energies, 11 (9). 2458. ISSN 1996-1073 (https://doi.org/10.3390/en11092458)

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Abstract

In this paper, the active front-end (AFE) converter topology for the total harmonic distortion (THD) reduction in a wind energy system (WES) is used. A higher THD results in serious pulsations in the wind turbine (WT) output power and several power losses at the WES. The AFE converter topology improves the capability, efficiency, and reliability in the energy conversion devices; by modifying a conventional back to-back converter, from using a single voltage source converter (VSC) to use pVSC connected in parallel, the AFE converter is generated. The THD reduction is achieved by applying a different phase shift angle at the carrier of digital sinusoidal pulse width modulation (DSPWM) switching signals of each VSC. To verify the functionality of the proposed methodology, the WES simulation in Matlab-Simulink® (Matlab r2015b, Mathworks, Natick, MA, USA) is analyzed, and the experimental laboratory tests using the concept of rapid control prototyping (RCP) and the real-time simulator Opal-RT Technologies® (Montreal, QC, Canada) is achieved. The obtained results show a type-4 WT with a total output power of 6 MVA, generating a THD reduction up to 5.5 times of the total WES current output by Fourier series expansion.

ORCID iDs

Salgado-Herrera, Nadia Maria, Campos-Gaona, David ORCID logoORCID: https://orcid.org/0000-0002-0347-6288, Anaya-Lara, Olimpo ORCID logoORCID: https://orcid.org/0000-0001-5250-5877, Medina-Rios, Aurelio, Tapia-Sánchez, Roberto and Rodriguez-Rodriguez, Juan Ramon;
CORE (COnnecting REpositories)