An Overview on Microgrid Control Strategies
Mushtaq N. Ahmed1, Mojgan Hojabri2, Ali Mahmood Humada3, Hamdan Bin Daniyal4, Hatem Fahad Frayyeh5

1Mushtaq N. Ahmed, Faculty of Electrical and Electronics Engineering,Universiti Malaysia Pahang,Pekan, Pahang, Malaysia.
2Mojgan Hojabri, Faculty of Electrical and Electronics Engineering,Universiti Malaysia Pahang,Pekan, Pahang, Malaysia.
3Ali Mahmood Humada, Faculty of Electrical and Electronics Engineering,Universiti Malaysia Pahang,Pekan, Pahang, Malaysia.
4Hamdan Bin Daniyal, Faculty of Electrical and Electronics Engineering,Universiti Malaysia Pahang,Pekan, Pahang, Malaysia.
5Hatem Fahad Frayyeh, Department of Electrical Engineering, College of Engineering, University of AL-Anbar, Ramadi, Iraq.

Manuscript received on 15 June 2015 | Revised Manuscript received on 25 June 2015 | Manuscript Published on 30 June 2015 | PP: 93-99 | Volume-4 Issue-5, June 2015 | Retrieval Number: E3992064515/15©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: In response to the ever increasing energy demand, integrating distributed energy resource-based microgrid will be the most promising power system improvement in the near future. Microgrid system implementation provides significant advantages for both electric utility provider and end customer user. This paper performs a comprehensive literature review on the current key issues on control strategies of microgrid islanded mode operation. Brief descriptions are provided for typical microgrid control methods, PQ control, droop control, voltage/frequency control, and current control, which are associated with microgrid mode of operation. This review also covers microgrid control issues such as islanded mode, stability, and unbalanced voltages to provide adequate power quality. In addition, this paper discusses the challenges of microgrid islanded mode issues, such as load sharing, distributed generation losses, and non-linear /unbalanced load. Finally, research conclusions of the important microgrid control requirements for future development are also described.
Keywords: Microgrid Control, Microgrid Structure, Microgrid Issues.

Scope of the Article: Microwave Filter