7EA Users Group

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 […]

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

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

Turbine-compartment roof handrails promote safety Ferndale Generating Station Owned by Puget Sound Energy Operated by NAES Corp 270-MW, gas-fired, 2 × 1 combined-cycle cogen plant located in Ferndale, Wash Plant manager: Tim Miller According to the National Safety Council, slips, trips, and falls are among the most common and costly workplace incidents across all industries.

Investigative process addresses, helps correct generator thermal sensitivity Quail Run Energy Center Owned by Quail Run Energy Partners LP Operated by NAES Corp 550-MW, gas-fired, two 2 × 1 combined-cycle power blocks located in Odessa, Tex Plant manager: Steve Reinhart Over the years, one of the plant’s four gas turbine/generators developed excessive vibration on the

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

Turbine Tip No. 4, contributed by PAL Turbine Services’ Owner/GM Dave Lucier, applies to General Electric Frame 5 models K, L, and LA. The focus here is on fuel pumps that are retained when the control system is upgraded. The fuel pump of choice on GE gas turbines following the Great Blackout of November 1965

​ 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.

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

Editor’s note: What follows is a short report from the United States Energy Assn’s (USEA) webinar, “The Role of Hydrogen and Renewable Gas in Decarbonization,” June 12, 2020, moderated by Llewellyn King, executive producer and host, White House Chronicle. Panelists from Guidehouse, which acquired Navigant Consulting Inc in October 2019, were Mark Eisenhower, partner, Energy,