Catch of the Month Power & Utilities: Exposing Configuration Challenges Control Station, Inc. Control Station, Inc. 160 Chapel Road 160 Chapel Road – – Manchester, Connecticut 06042 Manchester, Connecticut 06042 – – USA USA www.controlstation.com www.controlstation.com In addition to trending key performance indices (KPIs) PlantESP can trend the process data from a given PID control loop as a nother valuable reference point. Shown above is a trend of the HRSG unit’s drum level controller. While the Process Variable (green line) showcases limited oscillatory behavior the Controller Output (yellow line) exhibits significant oscillations as soon as start -up procedures are initiated. How did PlantESP find it? In addition to mechanical and controller tuning issues PlantESP’s K

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