Nonlinear and Sampled Data Control of Wind Turbine

Marwa Hassan

A chapter in Advances in Modelling and Control of Wind and Hydrogenerators from IntechOpen

Abstract: This chapter aims to investigate the effectiveness of the nonlinear control-based model and the sampled-data design through the power system application. In particular, the study will focus on a model of a wind turbine system fed by a doubly fed induction generator (DFIG). First of all, a detail dynamical model of a DFIG-based wind-turbine grid-connected system is presented in the direct and quadratic synchronous reference frame. Afterward, mathematical modeling is performed for the nonlinear and sampled data systems. The nonlinear control will ensure the reproduction of the rotor direct and quadratic current that converge to the reference signal generated from. The proposed sampled-data system is built upon the nonlinear model and is introduced as an alternative of the classical discrete control which is known as emulation design. The simulation's results will show that implementing the approximate feedback will yield better results than the one obtained from the mere emulation.

Keywords: sampled data model; nonlinear control; renewable energy; wind turbine; feedback (search for similar items in EconPapers)
JEL-codes: Q40 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:197831

DOI: 10.5772/intechopen.91246

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