Convegni ATI - Accesso riservato soci CTI

Autore: G. Bellina

Collana: BT - 25 - Nov 04 - Interazione tra sistema elettrico e centrali di produzione di energia

Note:
New European Union and Italian Environmental regulations which will limit the permissible sulphur content of fuels have caused a rapid decline of the high sulphur and medium fuel oil market and the refiners must either make a major capital investiment to change their product mix or make a better use of their heavy products.
This is true for Erg Petroli Refinery which was originally designed to process heavy crude oil hence the decision to implement a more brilliant and economic alternative of gasification of its oil residues and production of electricity for sale to ENEL. The IGCC Complex has been built in Priolo (Siracusa), close to ISAB Refinery, by SnamProgetti-FosterWheeler-Energy, under a lump-sum turnkey construction contract and is successfully in commercial operation from April 2000. The strong integration between the Process Plants and Combined Cycle Units has requested a suitable control system, the Master Controller, that operates continuousoly by CCU.
Although the IGCC control system has been designed for managing the interaction with the national grid not only in steady state but also during emergency transients of ramp-down and ramp-up of the load, technical and operating constrains in the Process Units of IGCC are not be considered it frequent and short load modulations and reductions are requested by GRTN.