Insights into the value of a proactive approach to planning a full stator rewind to prevent costly failures and extend the operational life of the 7FH2 generator By Joe Hopfinger, ENTRUST Solutions Group The GE 7FH2 generator remains one of the most widely deployed machines in gas-fired power generation. Introduced in the mid-1990s, nearly 1,000 units have been placed […]
GENERATORS: Preempting a full stator rewind Read More »
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
CCJ Historical Society: Looking back from 2025 Read More »
Upcoming events where you’ll see CCJ attendance and coverage. Hope to see you there. PROENERGY Conference January 26-28 Arizona Grand Resort, Phoenix, Ariz. Details/registration at www.proenergyservices.com. Contact: Chris Evans, cevans@proenergyservices.com. PSM Asset Managers Conference January 26-28 | Wyndham Grande at Harbourside Place, Jupiter, Fla. Details/registration at www.psm.com. Contact: Michèle McDermott, Michele.McDermott@us.psm.com. Vogt Combined Cycle Seminar February 11-12 Omni
Plan for 2026: CCGT Industry Events Read More »
Tuesday, October 21, 2025 1:00 PM – 2:00 PM | (UTC-04:00) Eastern Time (US & Canada) Webinar Agenda Hydrogen can pose significant challenges to owners, operators, and maintenance personnel from the standpoint of safety, risk mitigation, and demands for increased efficiency. As a result, the Generator Hydrogen Auxiliary System demands close attention, with proper maintenance,
October 21 Webinar: Automating Hydrogen Purge to Maximize Power Plant Safety Read More »
The GUG kickoff roundtable discussion focused on a few specific topics which offer food for thought for those not in attendance. Among them: Can a flux probe (FP) detect pitting of the retaining rings? One user noted that FP readings showed nothing prior to an outage but extensive pitting on retaining ring inner diameter was
Generator users share failures, fixes, and forward planning @ GUG 2024 Read More »
The question these days becomes why wouldn’t you send as many of your plant staff as possible to the Power Users Combined Conference, comprising the Combined Cycle Users Group (CCUG), Generator Users Group (GUG), Steam Turbine Users Group (STUG), Power Plant Controls Users Group (PPCUG), and the Low Carbon Peer Group? As amply exhibited in the
Life-long learning abounds across five user group conferences @ Power Users 2024 Read More »
There’s something about the number ninety-nine that makes it particularly noteworthy in the minds of many people. Perhaps because it is associated with some of the most gifted professional athletes—such as Wayne Gretzky (hockey), George Mikan (basketball), JJ Watt and Warren Sapp (football), and Manny Ramirez and Aaron Judge (baseball). Perhaps because Agent 99 (Barbara
Club 99 welcomes Clyde Maughan, generator legend Read More »
As fleets age and the pace of starts, cycling, and field rewinds intensifies, generator health is once again a front-line issue. Whether you’re facing stator bar degradation, thermal sensitivity, phase strap cracking, or the growing pains of an uprate, you’ll find answers, proven workarounds, and vendor insights at the Generator Users Group (GUG) sessions during
GUG 2025: Much ado about generator troubleshooting Read More »
In a period of accelerating change across the power generation industry—shaped by decarbonization goals, shifting market pressures, and the realities of an aging fleet—the 2025 Power Users Combined Conference presents a timely opportunity to learn, adapt, and prepare your team for what’s next. From August 25–28 in Washington, D.C., this multi-group forum brings together five
Improvise, adapt, overcome: Navigate power’s new frontiers Read More »
“Mastering Desuperheating and Attemperation,” Ory Selzer, IMI Insyt Almost 200 slides long, this presentation could serve as a comprehensive training course on what can and does go wrong with two of the most vexing subsystems in the steam cycle, as well as solutions. Instructor sets the stage with numerous photos of component failures (Fig 6),
Combined Cycle Users Group: 2023 vendor presentation recaps Read More »
