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DG and protection systems in distribution network: Failure monitoring system based on petri nets

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4 Author(s)
Calderaro, V. ; Univ. of Salerno, Salerno ; Galdi, V. ; Piccolo, A. ; Siano, P.

The paper deals with the problems that can rise in protection systems of the distribution networks in presence of Distributed Generation (DG). A mathematical formalism is introduced to model protection trip problems in radial distribution networks and a procedure to monitor failures of the protection systems based on Petri Nets and a simple matrices manipulation is presented. Such procedure allows designing a tool for a centralized monitoring system of a power protection scheme. In the paper also an architecture to support the tool is proposed and two case studies are simulated on a real Italian distribution network. The proposed approach represents an interesting solution to improve reliability into distribution systems in presence of DG.

Published in:

Bulk Power System Dynamics and Control - VII. Revitalizing Operational Reliability, 2007 iREP Symposium

Date of Conference:

19-24 Aug. 2007