Best Practices was introduced as a roundtable in 2019. Topics were varied. First was a fit-up test for first-stage nozzles and transition pieces (TPs) two to three weeks before the outage to avoid surprises. Other BPs included these: Do a proper repair spec and follow your parts through the shop for best results. Specify a […]
Best Practices Roundtable: A hit in its first year Read More »
This session included a debate on the pros and cons of upgrading control systems versus retaining/maintaining legacy controls. Several users supported the idea of sticking with legacy systems because there’s a vibrant third-party supplier community available for support—including parts and knowledgeable technicians. An operator with Mark VI controls said his plant upgraded to Mark VIe
I&C Roundtable: Control-system upgrade generates much discussion Read More »
Discussion threads ranged from sulfur buildup in stop/speed ratio valves that could prevent restarting after a unit trip to the value of a flash drum in the continuous blowdown line enabling beneficial use of the steam produced to the value of inlet bleed heat for deicing and unit turndown. Plus others. An attendee reported a
Auxiliaries Roundtable: A potpourri of discussion topics Read More »
John F D Peterson, one of the Frame 6 Users Group’s founders, conducts his highly regarded four-hour introductory course on the 6B the day before the annual conference officially begins. This session is offered by the steering committee to acquaint new members on the (1) history of improvement in both thermal and mechanical performance since
The Frame 6 value proposition Read More »
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
PowerUsers unveils digital presentation library in advance of 7FUG 2020 Read More »
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,
Hydrogen: A quick reality check Read More »
Week One review. What follows are summaries of user presentations from last Tuesday and Wednesday. They illustrate the value of participation in the 7F Users Group’s virtual conference and next year’s F2F in St. Louis. To dig deeper, speaker PowerPoints will soon be available on the Power Users website to registered owner/operators. Registration is easy
7F Digital Conference: Week 1 user sessions recapped here Read More »
By some counts, says James E Timperley of J E Timperley Consulting LLC, over 300,000 electronic medical devices—such a pacemakers, defibrillators, cochlear, and neurostimulators—are implanted in Americans annually. Millions of these appliances are in service, covering all age groups in today’s population. This means that perhaps 1% of all people entering a powerplant may have
Working safely in a powerplant with a medical implant Read More »
Editor’s note: This article is based on the presentation, “Frame 6/6A3 ‘minor’ outages turned into majors with field rewinds,” by Jamie Clark of AGTServices Inc at the 2019 meeting of the Frame 6 Users Group. Owner/operators will have the chance to hear Clark’s presentation, “5 Generator Minors Turn Into 3 Generator Majors!!!,” on June 23
Case history: Effects of cyclic duty on air-cooled generators Read More »
Performance, flexibility upgrades boost profitability in dynamic market Lawrenceburg Power operates in the PJM Interconnection. Plant owner Lightstone Generation wanted a reliable, cost-effective upgrade to simultaneously maximize capacity payments and align combustion and hot-gas-path (HGP) inspections at a 32,000-hr maintenance interval. The plant operates in a shale-gas region and can receive fuel from multiple sources
Lawrenceburg: 2019 Best of the Best Read More »
