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IEC CIM-61850 harmonization – the logic selectivity case

pubblicazioni - Memoria

IEC CIM-61850 harmonization – the logic selectivity case

L’utilizzo congiunto dei due standard CIM e IEC 61850 necessita della gestione integrata di entrambi i modelli dati. L’articolo illustra uno strumento software che permette la generazione automatica delle configurazioni IEC 61850 di dispositivi di protezione che implementano la selettività logica, a partire dall’analisi topologica di una rete CIM. Questa analisi topologica viene effettuata mediante la manipolazione diretta della struttura a grafo prevista dallo standard CIM, chiamata RDF, usando un linguaggio di interrogazione dedicato. Questo approccio può essere esteso a qualsiasi algoritmo di elaborazione basato su CIM.

The growing amount of information produced by automatic systems is often associated with the paradigm of Big Data. Next to this approach it remains the interest in integrating information of different origin within a shared framework, conceptually able to be formalized by an ontology. The IEC Common Information Model (CIM) is a natural candidate to take on the role of reference ontology in the electrical context being able to describe different types of electrical domain information (eg. topologies of electrical networks, market information, metering, etc.) in an integrated way.

The activities described here have adopted the CIM standard as a reference semantic model for the representation of information gathered from Power Quality (PQ) monitoring of medium voltage distribution networks, in order to demonstrate the possible synergies with the types of information already provided in that model, namely those associated with topological and cartographic information. The result of this integration could also be in perspective leveraged in the context of the deployment of the 2° generation of Italian meters that will include Power Quality data.

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