Advanced GTs – Combined Cycle Journal

Advanced GTs

Stop compressor debris at the source with field-applied HVTS

Advanced GTs / By

“Stop debris at its source, not after it forms,” cautions Eric Duvekot, VP of Engineering at Integrated Global Services (IGS), as he explains how field-applied high-velocity thermal spray (HVTS) addresses oxide flaking in the hot, high-pressure compressor sections of advanced-class gas turbines, and outlines proof points from OEM testing and fleet experience (Fig 1). The […]

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Easy as 1,2,3: Choose inlet filters based on GT-specific standards

501 F&G Users Group, 7EA Users Group, 7F Users Group, Advanced GTs, Aeros, Alstom Owners Group, CCUG, D5-D5A Users, Frame 6, STUG, V Users / By

ISO has published the first turbomachinery-specific standards for air intake filters. ISO 29461-1, ISO 29461-2 and ISO 29461-3 establish uniform test methods for efficiency and dust holding capacity, performance in fog and mist, and mechanical integrity at high pressure. While this is not breaking news, the combination of the three standards is a powerful decision-making

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HIGH-ENERGY PIPING: High-temperature tees present growing risk in HEP systems

Advanced GTs, CCUG, HRSGs, STUG / By

High-temperature tees in main steam and hot-reheat service are emerging as a serious integrity risk across combined-cycle and advanced coal-fired plants. Speaking at the NBBI 93rd General Meeting, Dr. John Siefert (EPRI) reported hundreds of field leaks attributed to creep-related cracking in wrought tees, with damage appearing in as little as 37,000 operating hours (Fig

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INDUSTRY BRIEFS: What’s happening in the GT industry

501 F&G Users Group, 7EA Users Group, 7F Users Group, Advanced GTs, Aeros, Alstom Owners Group, Best Practices, CCUG, Controls, D5-D5A Users, Frame 6, Generator Users Group, Generators, HRSGs, STUG, V Users / By

People Trinity names Stivender to lead field services The Trinity Turbine Technology team recently announced that Errol Stivender has joined the company as VP of Trinity Turbine Services, overseeing all field service operations going forward. Stivender brings more than 35 years of experience in gas and steam generation as well as the refining and petrochemical

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March 3 Webinar: Combustion and Vibration Monitoring Best Practices

501 F&G Users Group, 7EA Users Group, 7F Users Group, Advanced GTs, Aeros / By

Mastering High-Temp Sensor Systems for Turbine Monitoring In this practical, engineer-focused session, PCB experts explain how to achieve clear, reliable data from high-temperature sensor systems in turbine environments. Drawing from both combustion and vibration monitoring applications, the webinar covers installation, calibration, and troubleshooting best practices that transform raw sensor output into actionable maintenance insights. Participants

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Plan for 2026: CCGT Industry Events  

501 F&G Users Group, 7EA Users Group, 7F Users Group, Advanced GTs, Aeros, Alstom Owners Group, CCUG, Controls, Frame 6, Generator Users Group, HRSGs, STUG / By

Upcoming events where you’ll see CCJ attendance and coverage. Hope to see you there. FT8 Users Group  March 17-19  EPRI Main Campus and Marriott University Place, Charlotte, NC. Details/registration at www.ft8users.com. Contact: Ashley Potts, ft8@ft8users.com.   FT4 Users Group  March 17-19  EPRI Main Campus and Marriott University Place, Charlotte, NC. Details/registration at www.ft4users.com. Contact: Ashley Potts,

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CCJ Historical Society: Looking back from 2025

501 F&G Users Group, 7EA Users Group, 7F Users Group, Advanced GTs, Aeros, Alstom Owners Group, Best Practices, CCUG, Controls, D5-D5A Users, Frame 6, Generator Users Group, Generators, HRSGs, STUG, V Users / By

What your colleagues were telling CCJ subscribers five, 10, 15, and 20 years ago  Five years ago  The 7F Users Group and CCJ collaborated on the first virtual user-group meeting conducted as a result of the global pandemic. It was the launchpad for more than 20 online user meetings facilitated by CCJ during that challenging three-year period.  The Combined

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Handling RCAs with future disputes in mind: More is better! 

7F Users Group, Advanced GTs, CCUG / By

The need to recover quickly from plant equipment failure is often at odds with the patient, methodical steps required to conduct a root cause analysis (RCA) that will be accepted by all parties to a potential dispute among stakeholders down the road. Stakeholders may include plant staff, owner/operator, original equipment manufacturers (OEMs), insurance companies, component suppliers, third-party operation and maintenance (O&M) service providers,

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FINAL CHANCE: HA users convene in Greenville to share operational insight, OEM updates

Advanced GTs / By

GE Vernova (GEV)’s 7HA and 9HA gas turbines represent a significant portion of the advanced-class turbine fleet in operation globally, supporting diverse power generation requirements including high efficiency, flexible operation, and integration with renewable energy sources. As operational demands evolve, ongoing technical understanding and knowledge sharing among users become increasingly valuable. The 2025 HA Users

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ACCUG: Global collaboration drives air-cooled condenser innovation

501 F&G Users Group, 7EA Users Group, 7F Users Group, Advanced GTs, CCUG / By

The 15th annual meeting of the Air-Cooled Condensers Users Group (ACCUG) was held at the University of East London (UK) July 23-25, 2024. Principal content categories were chemistry and corrosion, air-cooled condenser (ACC) design and performance, and system operation and maintenance. The event was chaired by Andy Howell, EPRI; Barry Dooley, Structural Integrity (UK); and

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