Electrical diagrams of RTE network substations
High and very high voltage substations: role and structure
Article REF: D4570 V2
Electrical diagrams of RTE network substations
High and very high voltage substations: role and structure

Author : Louis DEVATINE

Publication date: August 10, 2009, Review date: December 13, 2019 | Lire en français

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4. Electrical diagrams of RTE network substations

In France, transmission and interconnection functions are performed mainly by the 400 kV network, and occasionally by the 225 kV network. Transformers supply power at 225, 90 and 63 kV to regional distribution networks, which in turn supply power to medium-voltage distribution networks (mainly 20 kV).

A functional classification of stations, based on the role of the structures, can be detailed as shown in the figure 15 .

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