Turbine developments | FlamesheetTM
PSM and Thomassen Energy, both members of the Hanwha group of companies, working jointly and in collaboration with Hanwha companies in Korea, report that they have “shattered an industry record”, successfully operating a Frame 7E gas turbine with a 60% hydrogen blend. The turbine ran at baseload conditions, dry, achieving single-digit ppm emissions of NOx
and CO, an industry first. 7E operation on 60% hydrogen
This result was achieved using PSM’s FlameSheetTM
combustor platform, an upgrade
available for the installed fleets of B, E and F class gas turbines worldwide. The FlameSheetTM
combustor delivers
“unsurpassed fuel optionality, operational flexibility, and emissions performance with optimised life cycle maintenance costs,” say PSM/Thomassen Energy.
“Power producers around the world have commitments to reduce carbon emissions and must deliver a balance between affordability, reliability, and sustainability,” said Alex Hoffs, president of PSM, and global leader of Hanwha’s gas turbine businesses. “Our FlameSheetTM
deliver on those commitments using existing gas turbine assets.”
A decommissioned Frame 7E gas turbine- generator package was relocated and
achieves successful
refurbished for a purpose-built power plant in Daesan, South Korea. The power plant (pictured left) was built within a petrochemical site jointly owned by Hanwha and TotalEnergies. The turbine utilised a mixture of natural gas (LNG), hydrogen, and hydrogen-containing-gas from the facility, operating at baseload with 60% hydrogen by volume. Fuel delivery was provided by a proprietary designed blending system enabling turbine testing at even higher volumes in the near future.
upgrade allows our customers to
“Today’s installed fleet of gas turbine power plants can complement and balance the growing reliance on solar and wind power, which are by nature intermittent,” said Jeff Benoit, vice president of PSM’s Clean Energy Solutions. “Turbines are efficient, responsive, and reliable. With PSM’s upgrades, existing gas turbines are now on the path to becoming carbon-free and, essentially, future-proof.”
Aeroderivatives for ESB
GE Vernova is to supply a simple cycle power plant consisting of eight LM2500XPRESS aeroderivative gas turbines to ESB to be located on the Shannonbridge site, County Offaly, Ireland. The GE Vernova scope will include operation and maintenance of the facility.
The Shannonbridge simple cycle facility will be a temporary reserve power plant designed to deliver up to 264 MW to support power supply security and reliability. It is expected to start operation during the 2023-2024 winter season and serve as a reserve power plant through to the end of the 2026-2027 winter season. This project follows GE’s recently announced 200 MW emergency power plant construction project for ESB at North Wall in the Dublin area. Like North Wall, which has six GE LM2500XPRESS gas turbines, the Shannonbridge power plant
will not be available to the open electricity marketplace; instead, Shannonbridge will only be operated against a specific instruction to support the Irish grid when needed.
The three-year O&M service agreement with GE includes operation, repairs and scheduled maintenance. The new power plant is being constructed within the site boundary of a decommissioned older power station.
At the core of the LM2500XPRESS units powering the new Shannonbridge power plant is GE’s proven LM2500 aeroderivative gas turbine technology. The LM2500XPRESS is 95% factory assembled into simplified modules for faster and easier site installation. The compact LM2500XPRESS units for the Shannonbrideg project will be manufactured at GE Gas Power’s Manufacturing Excellence Center in Veresegyhaz, Hungary.
GE LM2500XPRESS gas turbine
HE upgrade for Coryton
Aiming to keep gas turbine fleets competitive in the UK’s energy marketplace, GE Vernova has announced an order from independent power producer InterGen for two HE (High Efficiency) upgrades at its Coryton power plant. The 800 MW
Coryton combined cycle power plant
combined cycle power plant, located 30 miles east of London on the River Thames, employs two GT26 gas turbines. The upgrades will be installed in 2025.
The HE upgrade, applicable to GT26 gas turbines, consists of modifications across gas turbine, compressor and combustor. These will help Coryton deliver an additional 77 MW of power output, with increased efficiency and extended maintenance intervals. GE says it has invested significantly in the development of the HE upgrade package, which was introduced in 2019. It “combines the
30 | July/August 2023|
www.modernpowersystems.com
best from both GE’s F- and H-Class fleets with additive manufactured parts and innovations in aerodynamics, material science and combustion dynamics—and provides a leap forward in efficiency, output and maintenance interval extensions,” says GE. Six GT26 units with the HE upgrade are already in operation, the company reports, and have completed more than 47 000 operating hours.
“Once installed in 2025, [the Coryton] project will mark our tenth HE upgrade,” said Joseph Anis, president & CEO, Europe, Middle East & Africa at GE Vernova’s Gas Power business.
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