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Co-Simulation of Smart Distribution Network Fault Management and Reconfiguration with LTE Communication

pubblicazioni - Articolo

Co-Simulation of Smart Distribution Network Fault Management and Reconfiguration with LTE Communication

L’automazione per localizzazione, isolamento di un guasto e ripristino del sistema (FLISR) è una funzionalità basilare per le Smart Grid. Questo metodo di co-simulazione dei sistemi elettrico e di comunicazione studia l’uso di un sistema LTE 4G per applicazioni FLISR a una rete di distribuzione MT.

Transition towards a Smart Grid requires network modernization based on the deployment of new information and communication technologies for managing network operation and coordinating distributed energy resources in distribution systems. Amongst the most demanding functionalities, those related to fault location, isolation and system restoration (FLISR) to obtain a self-healing Smart Grid are critical and require low latency communication systems. Simulation tools capable of capturing the interaction between communication and electrical systems are of outmost utility to check proper functioning of FLISR under different utilization conditions and to define minimum requirements of the communication system. In this context, this paper investigates the use of public mobile telecommunication system 4G Long Term Evolution (LTE) for FLISR applications in both radially and weakly-meshed medium voltage (MV) distribution networks.

This study makes use of a co-simulation software platform capable to consider power system dynamics. The results demonstrate that LTE can be used as communication medium for advanced fault location, extinction, and network reconfiguration in distribution networks. Furthermore, this paper shows that the reduction of performances with mobile background usage does not affect the system and does not cause delays higher than 100 ms, which is the maximum allowable for power system protections.

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