Barney Davis Energy Center, a 670-MW, 2 × 1 combined cycle in Corpus Christi, Tex, is owned by Talen Energy and operated by Consolidated Asset Management Services (CAMS). Plant manager is Gary Clark. Multiple benefits accrue from gas-chromatograph install Challenge: Getting accurate gas-quality data to provide real-time gas-flow readings in Btu. Prior to installing the […]
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Green Country Energy is an 801-MW facility in Jenks, Okla, equipped with three 1 × 1 combined-cycle units. It is owned by J-Power USA and operated by NAES Corp. Plant manager is Danny Parish. Complex underground water leak repairs Challenge. Safety is one of Green Country Energy’s (GCE) core values. Occasionally, a job like the
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Armstrong Energy, a 625-MW, dual-fuel, simple-cycle peaking facility in Shelocta, Pa, is equipped with four 7FA.03 gas turbines. It is owned by LS Power and operated by IHI Power Services Corp. Brent Yatman is the plant manager. Unit axial vibration monitoring Challenge. Plant personnel desired a method for monitoring axial vibration levels during all phases
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Large-scale battery energy storage systems (BESS) continue to demonstrate their ability to meet specific functional requirements of grid operations and management under a variety of business models and ambient conditions. Los Angeles Department of Water and Power (Ladwp) is the latest to add a BESS, primarily for transmission-line stability. It follows several recent projects with
Latest grid-scale battery tackles T-line stability Read More »
By Jason Makansi, principal, Pearl Street, a Tucson-based consultancy All of us can point to truly memorable events and periods in our careers. A 10-day period that began with a tour and deep dive of Los Angeles Department of Water & Power’s (Ladwp) Beacon storage facility in the Mojave desert and ended with the catastrophic
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
Get up to speed fast on grid-scale storage with this no-cost resource Read More »
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
RECAP: CCUG updates users on key elements of the integrated plant Read More »
Turbine Tip No. 2, from the Dave Lucier’s PAL Turbine Services O&M solutions library, applies to General Electric Frame 5 models K-LA and M-P, and early 6Bs, 7Bs, and 7Cs, equipped with Y&F fuel regulator and Speedtronic™ Mark I, II, and IV controls. Overfiring a gas turbine during startup can be a serious condition, particularly
How manual controls help in troubleshooting legacy GE gas turbines Read More »
Overfiring during startup General Electric Speedtronic™ Mark I control systems were installed on gas turbines in the early 1970s, primarily on MS5001N and MS7001B engines. Fig 1 shows a typical Mark I panel being tested using a device known as the Speedtronic Calibrator. Note that the Calibrator has two ribbon connectors patched into designated locations
Troubleshooting Speedtronic Mark I and II control systems Read More »
Air inlet systems—including filter houses, evaporative coolers, cooling-coil support structure, silencers, ductwork, etc—seldom get the respect they deserve. Properly maintained, they help assure maximum output and high availability of your gas turbines. Yet, they are almost an afterthought at many plants, the focus being primarily on rotating equipment. Annual inspection of the air inlet system
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