501 F&G Users Group

Athens Generating Plant Owned by Kelson Energy Operated by NAES Corp 1080 MW, gas-fired facility equipped with three 501G-powered 1 × 1 combined cycles, located in Athens, NY Plant manager: Steve Cole Mod eliminates doubts regarding the accuracy of vibration readings Challenge. New Athens Generating has had issues in the past with vibration readings on […]

2024 501F BEST PRACTICES AWARDS  Red Oak Power Owned by TigerGenCo Operated by NAES Corp 776 MW, gas-fired 3 × 1 combined cycle equipped with Siemens 501FD engines, Foster Wheeler HRSGs, and a Toshiba triple-pressure reheat steam turbine Plant manager: Dave Carroll Editor’s note: Before reading this Best Practice, consider perusing CCJ’s backgrounder on Arnold

CPV Valley Energy Center Owned by CPV/Diamond Generating Corp Managed by Competitive Power Ventures Operated by DGC Operations LLC 680 MW, gas-fired 2 × 1 SGT6-5000-powered combined cycle, located in Middletown, NY Plant manager: Michael Baier Overcoming unique challenges to optimize ACC performance Challenge. At first glance, the air-cooled condenser (ACC) at Valley Energy Center

  Owner/operators of Siemens Energy/Westinghouse Electric Corp 501F and 501G gas turbines co-locate at the Peppermill Resort and Spa in Reno, Nev, for their 2023 conferences, Sunday Feb 19 through noon Thursday Feb 23. The last time these two organizations shared the same in-person venue was in February 2020 at the Hilton West Palm Beach,

The 501F Users Group is a private community of owners and operators of 501F gas turbine/generators established to discuss the operation, maintenance, inspection, troubleshooting, repair, and optimization of their plants and equipment. Membership in the organization is limited to individuals who are directly involved in the construction or O&M of Siemens Energy, Westinghouse, and Mitsubishi

A Covid outbreak a week or so before the 2022 meeting was to start at the Hyatt Regency in New Orleans, February 20, dramatically reduced the number of attendees expected, both user and vendor. Recall that this conference was the group’s return to an in-person program following a virtual meeting in 2021. Since many owner/operators

The 501G Users Group is a small organization of well-connected engineers and technicians who have “grown up” together—so to speak—and very familiar with their colleagues’ plants and equipment. The first Siemens/Westinghouse 501G, installed by Lakeland Electric, began commissioning operations in April 1999, but COD wasn’t until March 2001—only one month before the second machine began

Challenges getting into the market because of high gas prices. Two big outage events: Row 1 blade failure and generator lead failure, the latter attributed to misalignment of the lead from the generator to the isophase bus. L-1 steam-turbine blade failure (generator drive end) damaged the L-0 row and tubes in the condenser impingement zone.

Takeaways from safety roundtables: Populate your plant safety committee with motivated personnel and use corporate guidelines to ensure job safety. Excavations frequently are required at relatively new sites for fixing underground infrastructure. Proper barriers for personnel protection are particularly important. Know where to dig, how to dig, and how to refill to prevent collapse. Conduct