Best Practices

How natural-gas fuel variability impacts GT operation

Natural-gas fuel composition has considerable influence on gas-turbine emissions and operability. This might not have been a concern to you previously, but the possible impacts on your engines of increasing reliance on non-traditional pipeline gas—in particular, shale gas, but also LNG, and byproduct fuels from industrial processes—suggests you might want to read on. Even if …

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Paul White’s legacy

When Paul White crossed over to the spiritual world from the physical Nov 16, 2017, he was well prepared for the journey and certainly was welcomed by those who had preceded him. White was a deeply religious man who taught Sunday school and gave church activities his full support—all while excelling in his engineering day …

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Ontelaunee details experience with GT uprate, exhaust cylinder fix

The 501F Users Group’s 2018 conference and exhibition is only a few months away—Feb 25 – Mar 2, at the Hyatt Regency Grand Cypress, Orlando, Fla. It is your only chance in the coming year to visit with the major service providers and parts suppliers for the 501F fleet. Exclusive closed sessions for owner/operators with …

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Group-sponsored HRSG development projects share results, reduce costs

European Technology Development Ltd conducts multi-client projects to address concerns and challenges within the international electric-power industry. Known as ETD Consulting, the 20-year-old UK company’s projects are aimed mainly at developing new tools, technologies, and methodologies for powerplant inspection, integrity, and life assessment/extension; and improvements to materials, welding, and design. Collaboration with the international power …

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COMMENTARY: What the digital revolution means for electricity

What’s happening inside the fast-growing, hugely profitable, digital behemoths—one characterization is the “Big Five,” namely, Amazon, Apple, Facebook, Google, and Microsoft—may be more important than what the electricity industry sees from the outside. We know they are driving the industry towards renewable energy through direct investments in solar and wind facilities and green electricity purchases. …

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Demin water replaces glycol solution in closed cooling system, improves heat transfer

Miguel Perez Ghisays, general manager of the privately held Termocandelaria peaking facility near Cartagena, Colombia, and his talented staff, embrace a process of continual improvement in all facets of operation and maintenance. Readers may recall the plant’s success in converting its two W501FC engines from gas-only to dual fuel in only 11 months after contract …

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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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2018 BEST OF THE BEST PRACTICES: Terry Bundy Generating Station

Recognized for its Best Practice in Performance Improvement Steam-turbine rotor/case upgrades and heating system extend outage intervals Lincoln Electric System’s Terry Bundy Generating Station is dispatched primarily to address peaks in the SPP market, resulting in daily on/off cycling. In 2016, the steam-turbine OEM significantly increased the equivalent operating-hour (EOH) factor for cold starts on …

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