Adaptive Coordination of Fuse – Recloser in a Distribution System with High PV Penetration
Journal Title: روش های هوشمند در صنعت برق - Year 2017, Vol 8, Issue 30
Abstract
Employment of photovoltaic (PV) distributed Generation in the distribution system, leads to improvement of network voltage profile and power quality. On the other hand, it cause miscoordination between fuses and recloser. In this paper an adaptive method is presented to maintain coordination between fuse and recloser. This method is based on a modification of fast operation curve of recloser, proportional to the lateral fuse maximum fault current to recloser current which is located at the beginning of the feeder. Simulation results show the performance of the proposed methods for different fault scenarios, variation of PV penetration and different fault resistance. Based on the presented method, proportional to PVs penetration the protection coordination index (PCI) determined in fault period. Then, according to this index, time dial setting (TDS) of recloser fast operation modified adaptively. Finally, new recloser trip time calculated in this conditions for fuse saving. Simulation results show the performance of the proposed methods for different fault scenarios, variation of PV penetration and different fault resistance.
Authors and Affiliations
Farzad Hajimohammadi, Bahador Fani
Keywords
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