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- J-C. Tournier, G. Burdet, M. Gonzalez-Berges, S. Infante, A. Kiourkos, P. Kozlowski, F. Varela
CERN, Geneva, Switzerland
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Since 2012, an effort started to replace the ageing electrical supervision system (managing more than 200,000 tags) currently in operation with a WinCC OA-based supervision system in order to unify the monitoring systems used by CERN operators and to leverage the internal knowledge and development of the products (JCOP, UNICOS, etc.). Along with the classical functionalities of a typical SCADA system (alarms, event, trending, archiving, access control, etc.), the supervision of the CERN electrical network requires a set of domain specific applications gathered under the name of EMS (Energy Management System). Such applications include network coloring, state estimation, power flow calculations, contingency analysis, optimal power flow, etc. Additionally, as electrical power is a critical service for CERN, a high availability of its infrastructure, including its supervision system, is required. The supervision system is therefore redundant along with a disaster recovery system which is itself redundant. In this paper, we will present the overall architecture of the future supervision system with an emphasis on the parts specific to the supervision of electrical network.
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