Nonlinear control scheme based on a second order sliding mode: application to DFIG supplied by five-level PWM inverter

Benzouaoui, Ahmed; Ahmed‐Foitih, Zoubir; Khelfi, Mohamed Fayçal

doi:10.1504/ijaac.2019.100472

Cited by 2 publications

(1 citation statement)

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“…After presenting the SMC theory for the MPPT control strategy in part one, the objective of this part is to control the reactive and active stator power in the DFIG, by acting on the rotor voltages. For this purpose, the control surface is determined by the following equations [25]:…”

Section: Conventional Smc For the Dfigmentioning

confidence: 99%

Archives of Electrical Engineering

2022

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The paper proposes a new robust fuzzy gain adaptation of the sliding mode (SMC) power control strategy for the wind energy conversion system (WECS), based on a doubly fed induction generator (DFIG), to maximize the power extracted from the wind turbine (WT). The sliding mode controller can deal with any wind speed, ingrained nonlinearities in the system, external disturbances and model uncertainties, yet the chattering phenomenon that characterizes classical SMC can be destructive. This problem is suitably lessened by adopting adaptive fuzzy-SMC. For this proposed approach, the adaptive switching gains are adjusted by a supervisory fuzzy logic system, so the chattering impact is avoided. Moreover, the vector control of the DFIG as well as the presented one have been used to achieve the control of reactive and active power of the WECS to make the wind turbine adaptable to diverse constraints. Several numerical simulations are performed to assess the performance

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Section: Conventional Smc For the Dfigmentioning

confidence: 99%