THD Reduction in Wind Energy System Using Type-4 Wind Turbine/PMSG Applying the Active Front-End Converter Parallel Operation

Nadia Maria Salgado-Herrera, David Campos-Gaona, Olimpo Anaya-Lara, Aurelio Medina-Rios, Roberto Tapia-Sánchez and Juan Ramon Rodríguez-Rodríguez
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Nadia Maria Salgado-Herrera: Institute for Energy and Environment, University of Strathclyde, Glasgow G1 1XW, UK
David Campos-Gaona: Institute for Energy and Environment, University of Strathclyde, Glasgow G1 1XW, UK
Olimpo Anaya-Lara: Institute for Energy and Environment, University of Strathclyde, Glasgow G1 1XW, UK
Aurelio Medina-Rios: Facultad de Ingenieria Electrica, División de estudios de posgrado, Universidad Michoacana de San Nicolas de Hidalgo, Morelia 58030, Mexico
Roberto Tapia-Sánchez: Facultad de Ingenieria Electrica, División de estudios de posgrado, Universidad Michoacana de San Nicolas de Hidalgo, Morelia 58030, Mexico
Juan Ramon Rodríguez-Rodríguez: Facultad de Ingeniería; Departamento de Energía, Eléctrica Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México 04510, Mexico

Energies, 2018, vol. 11, issue 9, 1-23

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 p VSC 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.

Keywords: active front-end converter; back-to-back converter; permanent magnet synchronous generator (PMSG); THD; type-4 wind turbine; wind energy system; Opal-RT Technologies ® (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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