7F Users Group – Combined Cycle Journal

Webinar Series: Machine learning improves CCGT availability, capacity, and efficiency

501 F&G Users Group, 7EA Users Group, 7F Users Group, 7HA Users, Alstom Owners Group, Best Practices, CCUG, Controls, D5-D5A Users, Frame 6, Generator Users Group, Generators, HRSGs, STUG, V Users, WTUI / By Team-CCJ

Case studies on generation M&D, predictive analytics, capacity/fuel demand forecasting, and performance testing This webinar series, presented by Primex Process Specialists, is directed specifically towards power plant owners and operators to introduce machine-learning basics and how this rapidly evolving technology can improve power plant availability, capacity, and efficiency. Each webinar will include a 30-minute live presentation followed …

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Non-OEM solutions providers talk generators, turbine upgrades, and more

7F Users Group / By Team-CCJ

As we prepare for the upcoming 7F Users Group annual conference in Atlanta, May 15-19, let’s take a look back at some of the most pertinent vendor presentations from last year, many of which will be updated and presented this year. Good to have some background details and foundational information of the non-OEM solutions for …

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Gas Turbine Historical Society: 7F Users Group

7F Users Group / By Team-CCJ

With the 33rd annual meeting of the 7F Users Group less than a week away in Atlanta, we take a look back to its first meeting many moons ago to provide some historical perspective on the humble beginnings of what has become the world’s largest fleet of heavy industrial gas turbines (likely to hold that …

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Rumford best practices cut O&M costs, reduce hot start duration

7F Users Group / By Team-CCJ

Rumford Power LLC Owned and operated by Cogentrix Energy Power Management 270 MW, gas-fired 1 × 1 7FA.03-powered combined cycle equipped with a Nooter Eriksen HRSG and a GE A10 steam turbine, located in Rumford, Me Plant manager: Justin Castagna Reduce O&M cost by cutting energy consumption when offline Challenge. The operational profile for Rumford …

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Salem Harbor: Winter-readiness testing upgrades reduce startup issues

7F Users Group / By Team-CCJ

Salem Harbor Station Owned by Footprint Power Salem Harbor Development LP Operated by NAES Corp 674 MW, two gas-fired 1 × 1 7FA.05-powered combined cycles equipped with Doosan HRSGs and GE A14 steam turbines, located in Salem, Mass Plant manager: Max Greig Challenge. Salem Harbor Station is located on the seacoast in the Northeast, where …

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CCUG honors Dave Such with its Individual Achievement Award

7F Users Group, CCUG / By Team-CCJ

Xcel Energy’s Dave Such was selected the lone recipient of the Combined Cycle Users Group’s Individual Achievement Award (IAA) in 2022, the 26th person to be so honored (list below) since the award’s inception in 2013. Voting is by members of the CCUG’s steering committee, chaired by Phyllis Gassert of Talen Energy. Aaron Kitzmiller of …

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7F, HRSG best practices from River Road Generating Plant

7F Users Group, HRSGs / By Team-CCJ

River Road Generating Plant Owned by Clark Public Utilities Operated by General Electric 248 MW, gas-fired 1 × 1 7FA.02-powered combined cycle equipped with a Foster Wheeler HRSG and a GE A12 steam turbine, located in Vancouver, Wash Plant manager: Robert Mash ‘Hazard hunts’ promote safer working conditions Challenge. River Road personnel are encouraged to …

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Griffith Energy: 3D printing of control-valve trim promises big savings

7F Users Group, HRSGs / By Team-CCJ

Griffith Energy Owned by Griffith Energy LLC Operated by Consolidated Asset Management Services (CAMS) 570 MW, gas-fired 2 × 1 7FA.03-powered combined cycle equipped with NEM HRSGs and a Toshiba steam turbine, located in Golden Valley, Ariz Plant manager: Scott Henry Challenge. Griffith Energy typically spent well over $100,000 annually to rebuild its boiler feedwater …

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Manage the 7F rotor wave to ensure your generation assets are available when needed

7F Users Group / By Team-CCJ

A large number of 7F gas turbines were installed during the boom years of 1999 to 2004. Now, nominally 25 years later, the industry is facing a “7F rotor wave” with many turbine rotors nearing “end-of-life” (EOL, 5000 factored fired starts or 144,000 factored fired hours) and coming due for an exchange, replacement, or lifetime …

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Digital twins: Alignment between design intent and real-world powerplant operation

7F Users Group / By Team-CCJ

With relevant design and operational expertise, and applied data science, digital twins can be harnessed for areas such as fleet comparisons, plant-specific KPIs, and forward-looking predictions. However, the twins are only as good as the domain expertise and data tools implemented to provide the analytics. PSM’s Greg Vogel, senior engineering manager for technology programs, will …

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