Case Study

Combined Cycle Power Plant Reduces Turbine Downtime with the Fisher Type EZH Fuel Gas Regulator

Combined Cycle Power Plant Reduces Turbine Downtime with the Fisher Type EZH Fuel Gas Regulator

Pages 2 Pages

www.fisherregulators.com PROVEN RESULTS • Eliminated combustion turbine trips • Improved uptime and unit reliability • Signifi cantly reduced regulator maintenance costs • Improved operational effi ciency CUSTOMER One of the largest electricity producers in the United States Site: A combined cycle electric generating plant with 1800+ MW capacity APPLICATION Combustion turbine fuel gas pressure control CHALLENGES The existing boot-style fuel gas regulators required two or more rebuilds per year due to hydrocarbon impregnation of the elastomeric pressure controlling element , commonly called a boot. In addition to high maintenance costs, the plant experienced pressure swings during the ramp up of the combustion turbines. The pressure swing caused the secondary run to open and att

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