Goals y Replace original Leeds and Northrup analog control system and ABB Turbotrol turbine control system with Foxboro DCS. y Use high-fidelity simulator to do DCS control checkout, DCS HMI validation and plant procedures verification with new controls. y New simulator to replicate the actual dynamic response of the operations and without any significant loss of megawatt production. y Repurpose simulator for operator training, continuous improvement and knowledge capture. Challenges y Validate the control logic against actual operations. y Build operator knowledge and confidence in the new DCS prior to going online in the actual unit. y Eliminate unplanned downtime or emergency shutdowns. Results y Reduced lost generation costs by $250,000 to $500,000 a day. y Identifi

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