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    TWENTIES: conclusions of a major R&D and demonstration project on offshore DC grids

    Tag correlate

    #Distribuzione in C.C. #Rete Elettrica

    pubblicazioni - Memoria

    TWENTIES: conclusions of a major R&D and demonstration project on offshore DC grids

    La memoria presenta i principali risultati della demo DC GRID del progetto europeo di ricerca (FP7) TWENTIES, su aspetti tecnici ed economici delle future reti HVDC per la connessione di eolico offshore. Illustra inoltre due dimostratori fisici, dedicati rispettivamente ad un mock-up di rete in corrente continua in bassa tensione e ad un prototipo innovativo di interruttore in corrente continua (DC Circuit Breaker, DCCB) in alta tensione.

    High-Voltage Direct Current (HVDC) grids (DCG) based on Voltage Source Converters (VSC) are being widely investigated to integrate multiple offshore wind farms dispersed over wide areas into AC onshore networks. The paper presents the major results of the « DC GRID » demo within the European research project (FP7) TWENTIES, achieved in a wide range of challenging issues related to the DC grid benefits for connecting offshore intermittent power: offshore DCGs economic assessment and likely layouts; DCG control and protection; ancillary services provided by such grids to the mainland AC network. In addition, two major outcomes of the « DC GRID » demo are physical demonstrators. One of them is a low scale DCG mock-up, on which some of the above controls, as well as DC grid protection algorithms were successfully tested. Last, a highly innovative high voltage DC Circuit Breaker (DCCB) prototype was developed to overcome a strong technological barrier: this new equipment was successfully tested in presence of an independent expert.

    Rif.RSE​

    14009694

    Destinazione​

    Cigre' Session 45 24-30 Agosto-2014

    Data Pubblicazione

    31 Dicembre 2014

    Autori​

    D. Cirio, J.P. Dupraz "Alstom Grid", W. Grieshaber "Alstom Grid", C. Moreira "INESC PORTO, PORTUGAL", A.M. Denis "RTE France", O. Despouys "RTE France", C.C. Liu "University College of Dublin", K. Bell "University of Strathclyde"

    Tipo Pubblicazione

    Memoria

    Progetti

    Evoluzione e sviluppo del sistema elettrico nazionale (EvolRete2014)

    Tag correlate

    #Distribuzione in C.C. #Rete Elettrica

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