7EA Users Group

User/vendor collaboration helps identify root cause of breaker problems

At the 2016 meeting of the 7EA Users Group, Bruce Hack of National Breaker Services LLC presented on the benefits of using his company’s Citadel product line to mitigate problems with circuit breakers that several owner/operators were dealing with. After his presentation, the steering committee met with Hack to discuss ongoing issues with breakers supplied …

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Users address bucket-rock, icing concerns, plus rotor exchange at end of life

Presentations by owner/operators are the lifeblood of every user-group meeting. There is value in presentations by vendors, of course, but when a user colleague shares experiences, best practices, and lessons learned everyone listens—you can tell by the questions asked and the follow-on discussion generated. There were five user presentations at the 2017 meeting of the …

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2019 7EA Best Practice: Mulberry Cogen

Lightweight manhole covers boost productivity, enhance safety Mulberry Cogeneration Owned by Northern Star Generation Operated by CAMS 115-MW, dual-fuel, 1 × 1 combined-cycle cogeneration facility located in Bartow, Fla Plant manager: Allen Czerkiewicz Mulberry operators were required to open manholes in the water treatment area with covers that were very large and weighed around 250 …

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7EA Best Practices: Three plants recognized with 2019 awards

7EA users captured one Best of the Best and two Best Practices Awards in the 2019 judging. None of the best practices is frame-specific so they may be of value to owner/operators of other frames as well—especially facilities focusing on performance improvement and safety. Thumbnails of the three plants receiving awards: Investigative process addresses, helps …

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Addressing stress corrosion cracking in the turbomachinery industry

​ Addressing stress corrosion cracking in the turbomachinery industry Stress corrosion cracking is a common problem affecting turbomachinery components such as rotor discs, steam turbine blades and compressor impellers, and is a major factor driving component repair. This type of cracking may lead to catastrophic failures which result in unplanned down time and expensive repairs. …

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PowerUsers unveils digital presentation library in advance of 7FUG 2020

Over 40 companies serving the CCGT industry have posted recorded technical presentations, a plethora of resources, and specialized contact details only accessible by GT owner/operators at powerusers.org. Vendors listed here are participating in the very first 7F Users Group 2020 Digital Conference set to begin on Tuesday, June 16, at your computer, conference room, or …

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