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Course Overview

This LD describes the Bently-Nevada turbine supervisory instruments as used on the D11 steam turbine.  Equipment includes the key-phasor, eccentricity detector, speed, valve position, shell expansion, differential expansion, rotor expansion, thrust position, vibration, and steam/metal thermocouples.  Also described is the purpose of the instrument, the interpretation of data, likely causes of operational problems and how to use the instrumentation for troubleshooting and decision making.  All related alarms and alarm responses are included in this discussion.


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