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Distributed Control Methods and Impact of Communication Failure in AC Microgrids: A Comparative Review

1
Department of Electrical Engineering, Shahid Rajaee Teacher Training University, Lavizan, Tehran 16785–136, Iran
2
Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(11), 1265; https://doi.org/10.3390/electronics8111265
Received: 30 September 2019 / Revised: 28 October 2019 / Accepted: 30 October 2019 / Published: 1 November 2019
(This article belongs to the Special Issue Control of Microgrids)
The objectives of this paper are to review and compare the distributed control methods in AC microgrids and also to identify the impact of communication failure on this type of the controller. The current AC microgrids are distinguished from the traditional power system topologies because of the high penetration of advanced control methods, measurements, sensors, power electronic devices, and communication links. Also, because of the increasing integration of renewable energy sources, control strategy for congestion management, frequency control, and optimal dispatch of microgrids has become more complicated. This paper explains the characteristics and features of distributed control systems and discusses the challenges of these approaches. In addition, a comprehensive review of the advantages and disadvantages of these techniques are explained in detail. On the other hand, the possible challenges, related to communication failure, noise, delay, and packet dropout on the operation of the distributed controller are presented, and several techniques, which reduce the impact of communication failure of the distributed controller, are compared. This comprehensive study on distributed control systems reveals the challenges in and future possible studies on this issue. View Full-Text
Keywords: microgrid; distributed control; renewable energy; secondary control; communication link microgrid; distributed control; renewable energy; secondary control; communication link
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MDPI and ACS Style

Aghaee, F.; Mahdian Dehkordi, N.; Bayati, N.; Hajizadeh, A. Distributed Control Methods and Impact of Communication Failure in AC Microgrids: A Comparative Review. Electronics 2019, 8, 1265.

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