Storage systems are becoming more and more interesting in supplying ancillary services to electrical networks, in particular in presence of distributed generation. In this paper, a dedicated Cableway Storage System, connected to the MV grid, is presented and characterized under both the mechanical and the electrical points of view. A mechanical 2D model of the system has been developed to represent its behaviour over time, without external controllers. Subsequently, an induction machine with variable frequency drive has been considered to obtain a smooth and adjustable profile of the active power exchanged with the main network. Electrical simulations on a realistic case study confirm the effectiveness of the proposed CSS system in providing ancillary services to the network, with a very fast electrical response.
Cableway Storage System regulation to supply ancillary services to the distribution and transmission network
Bignucolo, Fabio
;Savio, Andrea;Raciti, Antonino
2015
Abstract
Storage systems are becoming more and more interesting in supplying ancillary services to electrical networks, in particular in presence of distributed generation. In this paper, a dedicated Cableway Storage System, connected to the MV grid, is presented and characterized under both the mechanical and the electrical points of view. A mechanical 2D model of the system has been developed to represent its behaviour over time, without external controllers. Subsequently, an induction machine with variable frequency drive has been considered to obtain a smooth and adjustable profile of the active power exchanged with the main network. Electrical simulations on a realistic case study confirm the effectiveness of the proposed CSS system in providing ancillary services to the network, with a very fast electrical response.Pubblicazioni consigliate
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