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We are operating a GE MS9001E Gas Turbines. recently one of the machine is running with two BT (Ventilation) fans due to high temperatures in the turbine compartment. The inlet air flow rate started to drop as compared to the other Gas Turbine. We constantly running two BT fans, so we don't have redundency on those BT fans. If one BT fan trips, the Gas turbine trips as well due to the high temperature in the compartment. Previously we had couple of trips due to these fan failures.
We found some holes on the compartments and sealed them but still the problem is not going away. The Inlet air flow sensor were also checked and found to be okay.
What else can we check?
We found some holes on the compartments and sealed them but still the problem is not going away. The Inlet air flow sensor were also checked and found to be okay.
What else can we check?