October 2011

Special Report: Process Control and Information Systems

Find benefits in automating boiler systems

Dynamic models unravel potential problems in high-pressure steam production and consumption

Steam-load shedding is a series of automated actions implemented to prevent or to minimize the impact to a refinery or petrochemical complex due to a shortage of steam supply shortage or in drop steam-system pressure. Steam load is eliminated by shutting down or “shedding” expendable steam users. Without an appropriate strategy, safety systems will engage possibly shutting down critical equipment to prevent catastrophic consequences, and production will be lost. It is important to note that steam load shedding is done to improve the reliability of the steam system; it is not a safety system. Steam load shedding will replace or eliminate the need for a properly designed emergency

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