Team-CCJ – Page 36 – Combined Cycle Journal

Team-CCJ

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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ISO 16890, a new global test standard, facilitates comparison of alternative filters

There’s a new test standard for evaluating the efficiency of HVAC and industrial air filters—Classes G1 to F9. ISO 16890, which completed an 18-month phase-in period in June 2018, is the first uniform filter standard for the world, Jason Tiffany, a product development engineer in the Gas Turbine Systems unit of Donaldson Company Inc, told

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HRSG hot topics: risk-based inspection, corrosion under insulation, water chemistry

The Australasian HRSG Users Group (AHUG) celebrates 11 years of service to the industry at the organization’s 2018 meeting at the Brisbane Conference and Exhibition Center, November 11-13. Review the agenda here. Of all the HRSG groups outside the US, AHUG has the second longest history, behind only IMechE in the UK. The shared purpose

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SPECIAL REPORT: Acute levels of uncertainty pervade the industry

We’re supposed to embrace change, but let’s face it, change is unavoidable. It occurs with every passing moment, even if you can’t sense it. So let’s talk about rates of change. In the gas-fired power industry, rates of change may be approaching chaotic effects. That’s the conclusion from 18 one-on-one half-hour interviews conducted over a

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CCUG focuses on key aspects of combined-cycle inspection, operation, and maintenance

The annual Combined Cycle Users Group (CCUG) conference and vendor fair, held in Louisville, Ky, Aug 27-30, 2018, proved once again to be an excellent barometer of what’s on the minds of those charged with making sure gas-fired combined cycles (CCs) start and stop when they are supposed to, make money for their owners, and

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Latest GTs pose special challenges for NOx, CO catalyst system design

The state-of-the-art gas turbines (GTs), such as the H-class and J-class machines, are designed to maximize fuel-to-electricity efficiency, achieving and even exceeding 60% in combined-cycle mode. Already, there are an impressive number of these machines in the field; one supplier listed 80+ H-class GTs operating, in commissioning, being installed, or on order. This achievement is

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7HA users wrestle with emergent issues at inaugural meeting

A CCJ ONsite Special Report Welcome the 7HA Users Group into the pantheon of power-industry organizations seeking peer-to-peer interaction to solve problems expeditiously and provide a collective check on official OEM positions regarding fleet- and plant-level issues. Representatives from well over a dozen facilities and five countries, responsible for 30+ machines, attended the inaugural 7HA

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