Legacy Turbine Forum, No. 7 in a series By Luke Williams, PE, Consultant www.geLegacyGasTurbineSupport.com IN THE BEGINNING Engineers who joined the GE gas turbine department in the early days often came from steam turbine design, where cooldown procedures were essential to prevent rotor thermal bow, a condition that can lead to vibration on startup. Several […]
CONTROLS: Cooldown procedure options for legacy frames Read More »
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
INDUSTRY BRIEFS: What’s happening in the GT industry Read More »
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,
Plan for 2026: CCGT Industry Events 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 »
LEGACY CONTROLS FORUM, NO. 5 IN A SERIES By Luke Williams, PE, consultant www.geLegacyGasTurbineSupport.com Editor’s note. This article is based on material presented by the author in his training courses on gas- and steam-turbine controls to explain the reason for the algorithm described and how it works. Email clukewilliams@mindspring.com and ask to be notified of
How the GT exhaust-thermocouple correction coefficient came to be Read More »
LEGACY CONTROLS FORUM, NO. 6 IN A SERIES By Luke Williams, PE, consultant www.geLegacyGasTurbineSupport.com An MS7001B gas turbine with Mark I Speedtronic™ controls and SCR static exciter-regulator experienced overcurrent damage to its exciter on a normal startup. Operators think the overexcitation event lasted for several minutes. However, an overexcitation alarm was not received and the
Damage report on a Mark I SCR static-exciter failure Read More »
“Controls Items for Consideration” collects round-robin thoughts and ideas on Mark series controls from one specialist representing one of the largest owner/operators in the nation. Topics include logic for verifying valve functionality prior to unit operation, end of support for HMI (human-machine interface) Windows Server 2012 R2 Operating System and network switches, simulators, lube oil
Advanced controls strategy and fundamentals @ PPCUG 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 »
Whether you’re running legacy GE “Mark” platforms or overseeing the transition to modern digital I&C systems, the Power Plant Controls Users Group (PPCUG) is the place to gain actionable knowledge and peer-tested insights on controls reliability, cybersecurity, diagnostics, and upgrade paths. This year’s PPCUG track at the Power Users Combined Conference—August 25–28, 2025 in Washington,
Take control of your next DCS upgrade 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 »
