18 January 2025

Turbine Start up | Start up Parameters | Alarm and trip values for differential expansion

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Turbine Start up

Alarm and trip values for differential expansion ( the rotor being positioned by working pad)

  • Alarm value : 

                                           Max               Min

                   HP    +6mm        -3mm

                   LP   +8mm         -6mm

  • Shutdown rate :

                   HP    +6.2mm     -3.2mm

                   LP    +8.2mm      -6.2mm

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