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Course Overview

This Learning-Doc describes the basic laws of steam turbine controls and the relative importance of valve positioning.  Detailed discussions on speed control off line, speed load control while on-line, load limiters, pressure control, and positioning the turbine steam inlet valves.  Topics will include operator interaction with the control system and unit reaction to grid conditions and how responses may be limited.  All related alarms and alarm responses are included in this discussion.

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