Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Qobad Shafiee"'
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 15, Pp 3405-3415 (2024)
Abstract Distributed cooperative control strategies for DC microgrids have been rapidly evolving in recent years. However, introducing a cyber layer to enhance robustness, scalability, and reliability also exposes the system to potential cyber‐atta
Externí odkaz:
https://doaj.org/article/3eabbbffdd1348b7abb57bca07008bb5
Publikováno v:
IET Power Electronics, Vol 17, Iss 10, Pp 1314-1323 (2024)
Abstract The most challenging aspect of utilizing model predictive controllers (MPCs), particularly those involving power electronic applications, is the extraction of a model that accurately represents the behavior of the studied system. Concerning
Externí odkaz:
https://doaj.org/article/fe9441e4c3bf497f9905e8d22b11675f
Publikováno v:
International Journal of Industrial Electronics, Control and Optimization, Vol 6, Iss 4, Pp 271-281 (2023)
The primary objective of this paper is to address the adverse effects of active power fluctuations on grid-connected converters. One of the challenges in integrating high levels of solar photovoltaic power into the utility grid is the lack of inertia
Externí odkaz:
https://doaj.org/article/9d0f1c8a60fc45bbbab606a3af9558af
Publikováno v:
Proceedings of the International Conference on Applied Innovations in IT, Vol 11, Iss 2, Pp 107-116 (2023)
This paper presents a novel and efficient approach for wide-area fault detection in microgrids, utilizing data-driven techniques based on voltage and current measurements. The proposed method offers both high speed and accuracy in detecting faults. T
Externí odkaz:
https://doaj.org/article/8ae8f25e3a9e4c58ab2cf8c75e4830f2
Publikováno v:
IET Smart Grid, Vol 6, Iss 3, Pp 271-283 (2023)
Abstract In this study, distributed event‐and self‐triggered (ST) control methods are proposed for accurate load sharing and voltage control in islanded AC microgrids with resistive line impedances. The proposed control framework is comprised of
Externí odkaz:
https://doaj.org/article/2b622aa9c5c64db39e167963d9e54300
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 11, Iss 4, Pp 1257-1268 (2023)
In this paper, the synchronization stability challenges of same-rated frequency interconnected microgrids (IMGs) with fully inverter-based generation units are studied. In this type of weak power grid with low X/R ratios and low line impedances, no s
Externí odkaz:
https://doaj.org/article/d047ce79127e46549e63c6ab03130ea1
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 10, Iss 3, Pp 667-677 (2022)
In this paper, inspired by the concept of virtual inertia in alternating current (AC) systems, a virtual impedance controller is proposed for the dynamic improvement of direct current microgrids (DCMGs). A simple and inexpensive method for injecting
Externí odkaz:
https://doaj.org/article/ddae4806a5c94c619bde00d595d38716
Autor:
Mobin Naderi, Yousef Khayat, Qobad Shafiee, Tomislav Dragicevic, Hassan Bevrani, Frede Blaabjerg
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 6677-6689 (2021)
The small-signal stability of large-scale interconnected microgrids needs to be analyzed to find the most dominant dynamic behaviors. In this paper, a comprehensive and easy-expandable module-based modeling method is proposed, which is expandable to
Externí odkaz:
https://doaj.org/article/3e40f58686814d8688ba3e5ff1ca0a67
Publikováno v:
International Journal of Industrial Electronics, Control and Optimization, Vol 4, Iss 1, Pp 67-76 (2021)
In this paper, a virtual inertia control strategy based on linear feedback is presented that improves dynamic behavior of islanded dc microgrids interfaced with constant power loads (CPLs). In order to solve the stability challenges caused by low ine
Externí odkaz:
https://doaj.org/article/1814094f96454d41b0d877bdb6091a83
Implementation of inductor-less 13-level inverter topology with reduced number of required component
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 38-42 (2020)
This paper presents an inductor-less multilevel inverter (MLI) with a 13-level ac output. The proposed MLI consists of only 11 switches, 2 capacitors, and 2 input sources. Owing to the inductor-less symmetrical topology, the proposed MLI can reduce t
Externí odkaz:
https://doaj.org/article/376ae41b706d411f8ab0a0107bd09157