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- Title
Experimental implementation of a novel scheduling algorithm for adaptive and modified P&O MPPT controller using fuzzy logic for WECS.
- Authors
Gouabi, Hicham; Hazzab, Abdeldjebar; Habbab, Mohamed; Rezkallah, Miloud; Chandra, Ambrish
- Abstract
Summary: This article proposes an adaptive and modified Perturb and Observe (P&O) maximum power point tracking (MPPT) algorithm, using fuzzy logic step size controller, for a wind energy conversion system (WECS) based on wound rotor synchronous generator. The modified P&O controller uses additional current information of the dc‐link, to decrease power oscillation around MPP, and choose the correct direction of the perturbation, while wind speed increase condition, depending on the sign of dc‐link current change. So, in this contribution, a modified drift‐free P&O algorithm was chosen because it gives better results, but the duty cycle step size in the proposed MPPT controller has been varied adaptively, using a fuzzy logic inference system based on the variation of the rectifier output power and the previous change of the duty cycle to get fast convergence until the MPP is reached in increasing and decreasing wind speed conditions. Performances and robustness of the proposed speed sensorless MPPT controller are evaluated in an experiment implementation, using a WECS emulator and dSpace DS1104 controller board, where experimental results show that the proposed method guarantees fast convergence with better energy quality and high robustness against speed or load change conditions.
- Subjects
FUZZY logic; ALGORITHMS; SYNCHRONOUS generators; WIND energy conversion systems; WIND speed
- Publication
International Journal of Adaptive Control & Signal Processing, 2021, Vol 35, Issue 9, p1732
- ISSN
0890-6327
- Publication type
Article
- DOI
10.1002/acs.3288