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Voci digitali per desideri reali. Suono e soggettività nell'epoca delle macchine parlanti
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Reliability Assessment of EHV Gas Insulated Transmission Lines: effect of redundancies
No full textThis paper deals with the reliability analysis of gas-insulated
transmission lines (GIL). Two scheme alternatives of a GIL
system have been investigated from a reliability standpoint. These
configurations are of basic interest since they recognize how reliability
performance may be improved by introducing redundancies
at either the system level or at the unit level. Of course, reliability
can only be increased with higher investment costs: these
can be justified when a high level of transmission-line reliability is
required. For the connection of a new powerplant to a node of the
existing electric grid, the cost of undelivered energy can play a key
role. Therefore, in the context of an electric energy market where
the transmission grid ensures the efficient matching of demand and
supply, a tool for evaluating the availability of a transmission line
may be extremely important
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