Category Archives: CCUG

UPDATE: Many user-focused organizations cancel conferences, planning underway for 2021

Most meetings organized by user groups and other organizations focused on the information needs of gas-turbine, combined cycle, and cogeneration-plant owner/operators, and scheduled for March through July 2020, have been canceled. The list includes the following: Fourth International Conference on Film Forming Substances. Western Turbine Users Inc’s 30th Anniversary Conference and Expo. CTOTF’s 45th Spring […]

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RECAP: CCUG updates users on key elements of the integrated plant

The 2019 conference of the Combined Cycle Users Group (CCUG) was a prime example of “working together,” co-located with the generator (GUG), steam turbine (STUG), and powerplant controls (PPCUG) user organizations. Attendees were invited to participate in sessions conducted by all four groups at the Marriott St. Louis Grand, St. Louis, Mo, August 26-29. On […]

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Get up to speed fast on grid-scale storage with this no-cost resource

Some veteran gas-turbine (GT) asset managers have already been given responsibility for grid-scale storage facilities. Others may find their asset portfolio shift in this direction soon. If you are in this camp, or if you just want some technical guidance around this new asset class, get a copy of the Advancing Contracting in Energy Storage […]

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Macroetching aids in removing heat-affected zones of rubs

With a little luck, you’ll never experience significant rub damage to your rotors. By design, OEMs usually provide generous clearance between the rotor and non-rotating parts except where it’s unavoidable: bearings and seals. OEMs mitigate the rubbing risks associated for those close clearance components with smart material selection—such as Babbitt, brass, and nylon. Those features […]

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Starting reliability improvement: Rock Springs lauds start system retrofit

The turnkey digital front end (DFE) solution for aging, unreliable, or obsolete gas turbine load-commutated inverter (LCI) starting systems, described last year in CCJ ONsite, now has a user testimonial and operating experience supporting it. John Chaya, operations manager at Cogentrix’ Rock Springs (Maryland), reports that the installation by Turbine Controls & Excitation Group Inc […]

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Perryville adds big GE battery for 7F peaker black start

In what GE claims to be the largest gas turbine black-started by a modern battery, Entergy Louisiana has added a 7.4 MWh lithium-ion (nickel-magnesium-cobalt chemistry) unit at its Perryville power station to restart a 2001-vintage, 150-MW 7F.03 peaking gas turbine/generator should grid power be lost. To re-energize the grid, black starts typically require separate gas […]

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