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Title: Offshore wind system in the way of Energy 4.0: ride through fault aided by fractional PI control and VRFB
Authors: Melício, Rui
Valério, Duarte
Mendes, Victor
Keywords: Offshore wind system
MPC five-level converter
ride through capability
energy 4.0
fractional control
Issue Date: 2019
Publisher: Fractional Calculus, Springer Proceedings in Mathematics & Statistics, Singapure
Abstract: This chapter presents a simulation of a study to improve the ability of an offshore wind system to recover from a fault due to a rectifier converter malfunction. The system comprises: a semi-submersible platform; a variable-speed wind turbine; a PMSG; a 5LC-MPC; a fractional PI controller using the Carlson approximation. Recovery is improved by shielding the DC link of the converter during the fault using as further equipment a redox vanadium flow battery, aiding the system operation as desired in the scope of Energy 4.0. Contributions are given for: (i) the fault influence on the behavior of voltages and currents in the capacitor bank of the DC link; (ii) the drivetrain modeling of the floating platform by a three-mass modeling; (iii) the vanadium flow battery integration in the system.
Type: article
Appears in Collections:FIS - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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