7F Users Group – Page 3 – Combined Cycle Journal

7F Users Group

Newington: Three best practices enhance safety, performance, O&M across Cogentrix fleet

Essential Power Newington Owned by Essential Power Investments Operated by Cogentrix Energy Power Management 565 MW, 2 × 1 7F-powered combined cycle equipped with a GE D11 steam turbine, located in Newington, NH Plant manager: Tom Fallon Flags make HV grounds visible to ensure proper installation Challenge. During maintenance outages when conducting high-voltage (HV) activities, […]

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CPV St. Charles: Best practices from leading 7FA.05 facility

St. Charles Energy Center Owned by CPV Maryland LLC Operated by Consolidated Asset Management Services 745 MW, 2 × 1 7F.05-powered combined cycle equipped with a GE D11A steam turbine, located in Waldorf, Md Plant manager: Nick Bohl RO clean-in-place wastewater discharge mod reduces manhours, cost Background. St. Charles Energy Center uses two double-pass reverse-osmosis

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Hunterstown: Plant personnel safety improves with remote racking devices

Hunterstown Generating Station Owned by Platinum Equity LLC Asset management by Competitive Power Ventures Operated by NAES Corp 810 MW, 3 × 1 7F.04-powered combined cycle equipped with a GE D11 steam turbine, located in Gettysburg, Pa Plant manager: Tom Hart (former), Mark Kadon (current) Challenge. Hunterstown’s obsolete robot made racking-out breakers more hazardous than

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CCC Norte III: Successful winterization plan increases plant reliability

38 CC Norte III Owned by Abeinsa Operated by NAES México 907 MW, 2 × 1 7F.04-powered combined cycle equipped with a Toshiba steam turbine, located in Chihuahua, Mexico Plant manager: Armando Burgueño Challenge. 38 CC Norte III is located in a region of Mexico with one of the country’s most extreme climates—very hot summers

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7F USERS GROUP 2024: Loaded program features shop tour, dozens of technical presentations, 130 exhibitors, and much more

The world’s largest user organization supporting owner/operators of 7F gas turbines promises a robust in-person event when the group gathers at the Marriott St. Louis Grand, May 20-24, for its 2024 conference and vendor fair. This year’s program begins with a seven-stop tour of MD&A’s turbine/generator repair facility (users only) on Monday morning (May 20),

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7F USERS GROUP 2024: Technical program at a glance 

Editor’s note: Presenter names, times, and meeting rooms are as of April 23 and subject to change.  Monday, May 20 8 a.m. – noon, Tour of MD&A’s turbine/generator repair facility 1:30 – 4 p.m., MD&A session Presentations: 7F outage planning and solving issues—including best practices, inspection requirements, parts management, and risk mitigation. Richard Rucigay Rotor

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AES Huntington and Alamitos realize value of process optimization

AES Huntington Beach Energy AES Alamitos Energy Owned by AES Southland Operated by AES Corp Each plant, rated a nominal 674 MW, is a 2 × 1 combined cycle powered by GE 7F.05 gas turbines and Siemens SST6-5000 steam turbine, located in Huntington Beach, Calif Plant manager: Weikko Wirta Challenge. Achieve world-class starting reliability. Solution.

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Faribault: Agility solution reduces steam turbine start time, rotor stress

Faribault Energy Park Owned by Minnesota Municipal Power Agency Operated by NAES Corp 265 MW, 1 × 1 7F-powered combined cycle equipped with a GE A10 steam turbine, located in Faribault, Minn Plant manager: Shawn Flake Challenge. Combined-cycle powerplants have changed their operating profiles to accommodate grid demands for flexible generation. Example: MISO territory has

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Plant Wansley: Know at a glance the gas in your generator cooling system

Plant Wansley CC Owned by Southern Company Operated by Southern Power 1073 MW, two 2 × 1 7F.04-powered combined cycles equipped with GE D11 steam turbines, located near Carrollton, Ga Plant manager: Mike Moro Challenge. During an outage, when the generator does not contain hydrogen, the control system didn’t have an obvious way of indicating

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