Category Archives: Best Practices

Eight plants earn Best of the Best honors in CCJ’s annual Best Practices program

The COMBINED CYCLE Journal and the steering committees of the industry’s leading user groups—including 7F, 501F, 7EA, Western Turbine, Frame 6, 501G, 501D5-D5A, AOG, and Combined Cycle—collaborate to expand the sharing of best practices and lessons learned among owner/operators of large frame and aeroderivative gas turbines. Fifty plants participated in the 2020 Best Practices Awards […]

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Case history: Effects of cyclic duty on air-cooled generators

Editor’s note: This article is based on the presentation, “Frame 6/6A3 ‘minor’ outages turned into majors with field rewinds,” by Jamie Clark of AGTServices Inc at the 2019 meeting of the Frame 6 Users Group. Owner/operators will have the chance to hear Clark’s presentation, “5 Generator Minors Turn Into 3 Generator Majors!!!,” on June 23 […]

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TURBINE TIP NO. 7: Benefits accrue from observing startup, operational, shutdown sequences

Turbine Tip No. 7 from the PAL Turbine Services solutions library applies to General Electric Frame 5, Frame 6, and early Frame 7 gas turbines equipped with Mark V control systems. It is common for plant O&M personnel to focus their attention on the gas turbine during engine startup, operation, and loading. Fig 1 charts […]

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Some issues affecting HRSGs, conventional boilers have common solutions

The first meeting of the Australasian Boiler and HRSG Users Group (ABHUG), held last fall (2019) in Brisbane, Australia, followed 11 annual meetings of AHUG (Australasian HRSG Users Group). The added B is for boilers. Content now includes conventional fossil-plant technologies and issues closely related to those involving heat-recovery steam generators in combined-cycle and cogeneration […]

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ACC users focus on better chemistry, windscreens, partial use of wet cooling to improve performance

The Air-Cooled Condenser Users Group (ACCUG) annual meeting was held outside the US for the first time, in Queretaro, Mexico, Oct 21-24, 2019.   Sessions began with a review of information on flow-accelerated corrosion (FAC) and cycle chemistry prepared by Barry Dooley, Structural Integrity, and presented by EPRI’s Andy Howell, chairman of the group. In-depth discussion […]

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Tailoring global experience to meet the needs of local user communities in Saudi Arabia

Reliable electric supply in the Kingdom of Saudi Arabia depends to a large degree on the proper operation of gas turbines, which dominate the country’s generation infrastructure. At the end of 2018, Saudi Electric Co (SEC), the leading producer of electricity with a nominal 70% market share, had 53,500 MW of capacity installed at its […]

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ACC owner/operators scheduled to meet in Danbury in early fall

The ACC Users Group has selected the Crown Plaza Danbury in Connecticut for its 12th Annual Conference, September 28 to October 1. Presentations and discussions will focus on operation and maintenance, design and performance, and chemistry and corrosion. Follow the progress in program development on the organization’s website after May 1. Direct questions on the […]

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