Virtual Microgrid Partitioning Considering Structure and Characteristics of Smart Distribution Networks

Hasan Alawami, Junainah Sardi, Chin Kim Gan

Abstract


One key element that limits the transition of conventional distribution networks (DNs) to smart distribution networks (SDNs) is its infrastructure and used technologies which are not originally designed to be integrated with distributed energy resources. To address this limitation, Virtual Microgrids (VMs) concept is used for upgrading DNs to SDNs. The core issue for developing VMs is to identify its boundaries. Therefore, this paper presents a strategy that aims to identify VMs boundaries for conventional DNs to be upgraded to SDNs, considering both structure and characteristics of power networks. The proposed method is tested on IEEE 33-bus system, in which both modularity and line losses were used to evaluate its effectiveness. Furthermore, feasibility of the proposed algorithm is validated on a larger IEEE 118-bus system. Subsequently, IEEE 33-bus and IEEE 69-bus systems are used to test the impact of PV penetration increment on the VM design. The numerical results show that the proposed partitioning strategy can identify lines which has the highest resistivity and least transmitted power.


Keywords


Virtual microgrid; community detection; partitioning; distributed generation; renewable energy

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v11i4.12351.g8312

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