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Advisor(s)
Abstract(s)
This paper presents an integrated model for an offshore wind turbine taking into consideration a contribution for the marine wave and wind speed with perturbations influences on the power quality of current injected into the electric grid. The paper deals with the simulation of one floating offshore wind turbine equipped with a permanent magnet synchronous generator, and a two-level converter connected to an onshore electric grid. The use of discrete mass modeling is accessed in order to reveal by computing the total harmonic distortion on how the perturbations of the captured energy are attenuated at the electric grid injection point. Two torque actions are considered for the three-mass modeling, the aerodynamic on the flexible part and on the rigid part of the blades. Also, a torque due to the influence of marine waves in deep water is considered. Proportional integral fractional-order control supports the control strategy. A comparison between the drive train models is presented.
Description
Keywords
Offshore wind turbine system Discrete mass modeling DC link Power converter Simulation
Citation
SEIXAS, M.; MELICIO, R.; MENDES, V. M. F. - Simulation by discrete mass modeling of offshore wind turbine system with DC link. International Journal of Marine Energy. ISSN 2214-1669, Vol. 14 (2016), pp. 80-100
Publisher
Elsevier