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When turbine was being restarted after a short shut-down under hot condition, there was high eccentricity (.66mm) even before the speed was reached 500 rpm. Turbine was stopped on opening up HP cylinder, it was observed that HPC Rotor had bending of .66mm close to hub of curtice wheel.
Probable cause and rememdial measures to be taken may kindly be emailed.
thanks.
Probable cause and rememdial measures to be taken may kindly be emailed.
thanks.