Co-simulation of a Low-Voltage Utility Grid Controlled over IEC 61850 protocolReport as inadecuate

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* Corresponding author 1 GIPSA-SLR - SLR GIPSA-DA - Département Automatique 2 Dunărea de Jos University of Galaţi 3 G2ELab - Laboratoire de Génie Electrique de Grenoble

Abstract : This paper presents a co-simulation model using MATLAB® toolboxes to illustrate an interaction between the communication system and the energy grid, coherent with the concept of smart grid that employs IEC 61850 communication standard. The MMS Manufacturing Message Specification protocol supported by IEC 61850, based on TCP-IP is used for the vertical communication between the Supervisory and Data Acquisition SCADA system and Intelligent Electronic Devices IEDs embedding the local control of different parts of the smart grid. In this paper an IED supporting the power control of a photovoltaic PV plant connected to a low-voltage LV utility grid is considered. Communication system consisting of the transport layer and a router placed on the network layer is modeled as an event driven system using SimEvents® toolbox and energy grid is modeled as a time-driven system using SimPowerSystems® toolbox. Co-simulation results are obtained by combining different communication scenarios and time-varying irradiance scenarios for thee PV plant when the PV plant is required to provide a certain power in response to a power reference received from SCADA over the communication network. The analysis aims at illustrating the impact that stochastic behavior and delays due to network communication have on the global system behavior.

Keywords : Co-simulation delay IEC 61850 Manufacturing Message Specification MMS TCP-IP low-voltage LV grid

Author: Ekanki Sharma - Antoneta Iuliana Bratcu - Claudiu Chiculita - Yvon Besanger -



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