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Article RSE 15010300

HVDC and European Research: Italy in the spotlight

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AEIT, vol. 102 N. 10, pp. 36-43, Ottobre-2015.

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E. Ciapessoni (RSE SpA) , D. Cirio (RSE SpA) , M. Gallanti (RSE SpA) , M. Marzinotto (TERNA S.p.A), M. Rebolini (TERNA S.p.A), A. Iliceto (TERNA S.p.A)

T&D-C.C. 2015 - Transmission and distribution in direct current

The article introduces the European research project BEST PATHS, with particular focus on the Demo coordinated by TERNA, devoted to the rehabilitation of the tri-terminal HVDC link SACOI that connects Sardinia, Corsica and the Italian mainland.

The article introduces the European research project BEST PATHS, divided into 5 Demo aimed to show innovative transmission technologies to increase the capacity of AC and especially DC corridors. The article develops in particular the description of the demo, coordinated by TERNA, dedicated to the rehabilitation of the tri-terminal SACOI HVDC link that connects Sardinia, Corsica and the Italian mainland.

After summarizing the main motivations and objectives, the paper describes the different components of the demo, which deal respectively with HVDC converters (with VSC technology), underground and submarine cables, high-temperature HVDC cables (HTLS), aspects of insulation, fault detection on the HVDC link in presence of energised equipment, converter control functions and system studies to ensure the stability and operational security of the Sardinian network in the presence of the new link.

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