The Legacy Turbine Users Group (LTUG), part of the Power Users suite of end-user networks, returns this June with its highly anticipated 2025 conference, gathering Frame 7EA, Frame 6B, and Frame 5 owner/operators, OEMs, and independent service providers for four days of collaborative learning, solution sharing, and fleet updates. Held at the Hilton Minneapolis, June […]
LTUG25: Advancing Frame 5, 6B and 7E together Read More »
To some, here’s the distinction between reliability and resiliency: Reliability is avoiding a punch; Resiliency is recovering as quickly as possible from a punch. Aging assets, such as those with older turbine models, are likely going to take more punches than they avoid because the resources to avoid the punch are devoted to newer, more
With all the sophisticated gas-turbine inspection technologies available today—including ultrasonic, eddy current array, and phased-array ultrasonic—one might think the borescope had lost a step in status. Nothing could be further from the truth. Borescope capabilities have improved dramatically over time and they put your eyes right into the guts of critical plant equipment—to warn of
Borescope inspections often more important than ever Read More »
Legacy Turbine Doctor, No. 4 in a series By Luke Williams, PE, Consultant www.geLegacyGasTurbineSupport.com The first article in Luke Williams’ continuing column, Legacy Turbine Doctor, published last summer (Are your GE B/E-Class hot parts and rotor really near ‘end of life?’), posited that gas-turbine operation at loads less than base would extend the OEM-recommended service
Updating calculations of maintenance intervals, factored hours Read More »
Legacy Turbine Doctor, No. 3 in a series By Luke Williams, PE, Consultant www.geLegacyGasTurbineSupport.com An MS6001B in Florida experienced a significant failure in 1994 when its stop-ratio valve (SRV) servo failed. On startup, the unit cranked and fired successfully; however, the valve continued to open. The failure was caused by the servo sticking at a
Controls: Excess-fuel trip logic mitigates explosion potential Read More »
2024 technical program highlights The Legacy Turbine Users Group’s third annual conference and vendor fair is two months away. With the steering committees for the 7EA, Frame 6B, and Frame 5 Users Groups (sidebar) still working on their agendas and lining up speakers, there aren’t many program details to share at this point. Key aspects
SPECIAL REPORT: GE Legacy Turbines (Frame 5, 6B, 7E) Read More »
ASK THE LEGACY TURBINE DOCTOR By Luke Williams, PE, Consultant www.geLegacyGasTurbineSupport.com Editor’s note: Luke Williams and his business partner, Don Melsheimer, have decades of experience supporting owner/operators of GE gas turbines (MS5001, 6B, 7EA, F, and FA frames, plus LM2500 and 6000 aeros) requiring troubleshooting assistance with their control systems (Fuel Regulator through all
Are your GE B/E-Class hot parts and rotor really near ‘end of life’? Read More »
NAES Corp, Issaquah, Wash, considered by many the power-generation industry’s largest independent services provider, named Mark S Dobler president and CEO in early March. The company announced other appointments at that time as well. Many readers will remember Dobler as having served in a wide range of management positions in both the powerplant ownership and
NAES names Dobler president/CEO, makes other executive appointments Read More »
Phoenix Rotor™ gives facility the best of both worlds KEY POINTS Units returned to 200,000 factored fired hours Lengthy outages avoided CapEx savings of around 40% compared with a new rotor from the OEM THE CHALLENGE: Going beyond rotor end of life Gas turbine rotors have a finite lifetime. Heavy-duty gas turbine rotors in particular,
Regenerating a refinery cogen’s Frame 7EA rotors Read More »
AGT Services Inc’s Jamie Clark frequently is asked to present at user group meetings given his deep knowledge of generators. At last year’s (2022) Frame 5 Users Group conference, Clark conducted a well-received workshop on generator testing, inspection, and condition assessment which is of value to most participants in the Legacy Turbine Users Group—owner/operators of
The basics of testing legacy generators Read More »
