TITLE:
Distributed Generation Islanding Effect on Distribution Networks and End User Loads Using the Master-Slave Islanding Method
AUTHORS:
Lambros Ekonomou, George P. Fotis, Vasiliki Vita, Valeri Mladenov
KEYWORDS:
Distributed Generation, Distribution Networks, Islanding, Master-Slave Islanding Method, Neplan Simulation Tool
JOURNAL NAME:
Journal of Power and Energy Engineering,
Vol.4 No.10,
October
25,
2016
ABSTRACT: This study aims to address the feasibility of planned islanding operation and to investigate the effect of unplanned islanding using the master-slave islanding method for controlling the distributed generation units during grid-connected and islanding operation. Neplan desktop power simulation tool was used for the modelling and simulation of a realistic MV network with four different distributed generation technologies (diesel, gas, hydro and wind) along with their excitation and governor control systems, while an exponential model was used to represent the loads in the network. The dynamic and steady state behavior of the four distributed generation technologies were investigated during grid-connected operation and two transition modes to the islanding situation, planned and unplanned. The obtained results that validated through various case studies have shown that a suitable planned islanding transition could provide support to critical loads at the event of electricity utility outages.