Team-CCJ – Page 5 – Combined Cycle Journal

Team-CCJ

Borescope inspections often more important than ever

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 […]

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Updating calculations of maintenance intervals, factored hours

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

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Controls: Excess-fuel trip logic mitigates explosion potential

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

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7FUG24: Frustration mounts as users take more control over their machines’ destinies

Relative to what was presented at previous meetings, the matrix of issues facing users expanded and the sentiments about the OEM didn’t get any kinder at the 2024 7F Users Group Conference, held in St. Louis, MO, May 20-24. Those wishing a refresh on earlier conference summaries can refer to CCJ, No. 78 (2023) and

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7F Users Group: 35 years serving 7F owners and operators

The 2025 7F Users Group Annual Conference brings together the largest gathering of 7F gas turbine owner/operators in the world. This year’s event promises a comprehensive and collaborative forum focused on technical knowledge-sharing, hands-on solutions, and the evolving role of the 7F fleet in the energy landscape. Access the latest official conference details at the

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Aero perspectives: What’s happening in LM2500, LM6000, and LMS100 fleets

WTUI 2024 Recap The basic structure of WTUI’s 33rd Annual Conference and Expo at the Renaissance Palm Springs Hotel and Conference Center, March 24-27, 2024, mirrored that of Western Turbine’s traditional in-person meeting format described in the intro to its upcoming 2025 conference. Focus here is on the breakout sessions for the LM2500, LM6000, and LMS100

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Who is WTUI? The world’s largest aeroderivative GT user organization

Western Turbine Users Inc, the world’s largest independent organization of aeroderivative gas-turbine owner/operators, celebrates 35 years of service to the industry at its annual conference and expo, March 30-April 2, 2025, in the Long Beach Convention Center. What follows is an overview of the upcoming 34th WTUI meeting, plus technical highlights from last year’s conference.

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Acronyms to remember for aeroderivative gas turbine equipment

AGB—Accessory gearbox (also called the transfer gearbox) AVR—Automatic voltage regulator CCM—Condition maintenance manual CCR—Customized customer repair CDP—Compressor discharge port CFF—Compressor front frame COD—Commercial operating date CPLM—Critical-parts life management CRF—Compressor rear frame CWC—Customer web center (GE) DEL—Deleted part DLE—Dry, low emissions combustor DOD—Domestic object damage EM—Engine manual FFA—Front frame assembly FOD—Foreign object damage FPI—Fluorescent penetrant inspection

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