Fr7AE Gas Turbines Dry Low-NOx Combustion System Operating Challenges in O&G Plants
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Summary: After a planned Shutdown and transfer valve replacement, Propane unit -GT Fr7AE DLN1- started; Unit failed to transfer to pre-mix steady state Mode (PMSS) and Trip. 05 Days of online troubleshooting using Fishbone Diagram, to determine why the unit couldn’t sustain on PMSS mode after several transfers. Visual inspection of the internal Combustion system reveal hardware damages. RCFA-PROACT Methodology used to investigate and find the causes of the damages.
Deshpande, Atul; Rojas, Luis; Venkatachallam, V.; Chelghoum, Mustapha (2013). Fr7AE Gas Turbines Dry Low-NOx Combustion System Operating Challenges in O&G Plants. Turbomachinery Laboratory, Texas A&M Engineering Experiment Station. Available electronically from