Volume 14, Issue 4 (December 2018)                   IJEEE 2018, 14(4): 353-361 | Back to browse issues page

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Heydari E, Rafiee M, Pichan M. Fuzzy-Genetic Algorithm-Based Direct Power Control Strategy for DFIG. IJEEE 2018; 14 (4) :353-361
URL: http://ijeee.iust.ac.ir/article-1-1185-en.html
Fuzzy-Genetic Algorithm-Based Direct Power Control Strategy for DFIG
E. Heydari , M. Rafiee , M. Pichan
Abstract:   (4008 Views)
Among a multitude of diverse control methods proposed for doubly fed induction generator (DFIG) based-wind energy conversion systems, direct power control (DPC) method has demonstrated superior dynamic performance and robustness in presence of disturbances. However, DPC is not a flawless method and shortcomings like necessity for high sampling frequency, high-speed sensors and less noise-affected sampling circuit need to be mitigated by utilizing fuzzy controllers. Parameter setting in a fuzzy controller plays a vital role, especially under non-ideal grid conditions. In this paper, a fuzzy-genetic algorithm-based direct power control (FGA-DPC) method is proposed for DFIG, while, the parameters of the fuzzy controller are optimized by genetic algorithm. The objective of the optimization is to minimize the stator active and reactive power errors to increase the precision of reference tracking. The objectives of the controller are also optimizing active power absorption based on the zone of operation and adjustment of reactive power according to grid requirements. The proposed method improves the overall precision and speed of transient response as well as significantly reducing power oscillations under non-ideal grid conditions. Finally, to demonstrate the effectiveness of the proposed method, extensive simulations are performed in Matlab/Simulink under different conditions.
Keywords: Wind Energy Conversion System , DFIG , Direct Power Control , FGA-DPC
Full-Text [PDF 1030 kb]   (1692 Downloads)    
Type of Study: Research Paper | Subject: System Dynamics and Control
Received: 2017/11/01 | Revised: 2018/12/01 | Accepted: 2018/05/24
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.