Volume 17, Issue 4 (JIAEEE Vol.17 No.4 2020)                   Journal of Iranian Association of Electrical and Electronics Engineers 2020, 17(4): 17-25 | Back to browse issues page

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Hashemzadeh E, Khederzadeh M, Aghamohammadi M R. An Adaptive Controller for D-STATCOM under Parametric Uncertainties in Output Filter and Load Variations. Journal of Iranian Association of Electrical and Electronics Engineers 2020; 17 (4) :17-25
URL: http://jiaeee.com/article-1-958-en.html
An Adaptive Controller for D-STATCOM under Parametric Uncertainties in Output Filter and Load Variations
Ehsan Hashemzadeh , Mojtaba Khederzadeh * , Mohammad Reza Aghamohammadi
Faculty of Electrical Engineering, Shahid Beheshti University
Abstract:   (1848 Views)
D-STATCOM is an important component to compensate for the required reactive power in the distribution lines. Generally, a cascaded PI control structure is used to control a D-STATCOM. However, the performance of this conventional PI-based loop control deteriorates under the output filter and severe load variations. To mitigate the negative effects of such variations on the D-STATCOM performance, this paper proposes a novel approach not need the accurate model of the system. This new method exploits an adaptive controller in the current loop and a conventional PI controller in the voltage loop. The simulation and hardware experimental results indicate this new controller provides low total harmonic distortion (THD), robustness against parameter and load variations, and fast transient response.
Keywords: D-STATCOM, Adaptive Lyapunov control, parameter variations, compensation, cascade loop control
Full-Text [PDF 1625 kb]   (1291 Downloads)    
Type of Article: Research | Subject: Power
Received: 2019/08/11 | Accepted: 2020/03/9 | Published: 2021/01/3
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