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Security enhancement with nodal criticality based integration of PHEV micro grids

By Dilan Jayaweera and Syed Islam

Abstract

Modern distribution networks are increasingly vulnerable to disturbances and improving the security of supply to customers are complex and challenging with the traditional approach. This paper presents a new approach to enhance the security of power supply in an active distribution network by integrating PHEV (Plug-in Hybrid Electric Vehicle) based micro grids on the basis of the nodal criticality. The nodal criticality is assessed by integrating operational uncertainties of events into samples of Monte Carlo simulation and classifying load interruptions on the basis of their magnitudes and frequencies. Criticality of the system stress that results nodal loads shedding is classified into arrays of clusters based on the magnitudes of interrupted loads at samples. The critical clusters that represent largest disturbances to the respective nodal loads are served with PHEV micro grids. Case studies are performed, and the results suggest that the security of distribution networks can be significantly improved with the proposed approach

Topics: Monte Carlo simulation, Security of power supply, Grid integration, Distribution network operational planning
Publisher: University of Tasmania
Year: 2013
DOI identifier: 10.1109/AUPEC.2013.6725365
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