scottschwieger – Page 35 – Combined Cycle Journal

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Thermal performance audit key to extracting more dollars from older plants

The road to net zero carbon by, well, pick your date, 2030, 2035, 2050, is paved with pledges, promises, mandates, and political rhetoric, but the landscape will most surely be dotted with gas-fired combined cycles making megawatt-hours when the variable renewable resources are not, according to Jeff Schleis, gas-turbine product manager, EthosEnergy. In a recent […]

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Plant-network, data-link, communications issues revealed during commissioning

While the industry makes progress towards the fully connected, largely automated powerplant with a meta-organization of onsite staff, remote monitoring and diagnostics (M&D) assistance, and market delivery setpoints, there are some serious and costly gaps that are overlooked in data links and industrial communications. According to Jeff Downen, business owner, Black Start LLC, these gaps

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User presentations: Benefit from your colleagues’ experiences

Presentations by owner/operators are highly regarded at user-group meetings. The first-hand experience detailing how a particular job was conducted, what worked/what didn’t, lessons learned, etc, can be invaluable to someone considering a similar project. Plus, there’s the opportunity to ask questions and get straight-forward answers. You should be aware of the six user presentations from

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Ovation users ponder big issues, knuckle down on knotty plant problems

Encompassing 1300 GW of global capacity, 450,000 MW of that in the US, and 120,000 MW of combined-cycle capability, the Ovation control system platform, according to Robert Yeager, president of Emerson Automation Solutions Power & Water, is Number One in global power generation control systems. But Yeager, in the traditional “bragging rights” opening remarks at

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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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