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Thermohydraulic simulations can provide detailed heat recovery steam generator (HRSG) data to help determine the root cause of failures, predict the degree of wear from various mechanisms, and assess the overall thermal efficiency of the boilers. In this article, the results obtained from three case studies are presented to show the real-world benefits obtained through thermodynamic simulations.
Quality Achieved vs. Quality Perceived The quality of the thousands of factory and field welds present in pressure part modules is critical for assuring reliable operation over the life of the plant. But how are these welds performed and checked? Much relies on the quality system of the fabricator, and for many years some companies have been paying only lip service to quality while avoiding the associated costs. It is very easy to tick a box. Let’s take a step back. Companies can be perceived as good, bad, or somewhere in between by potential clients. Rightly or wrongly, quality systems are generally seen as a way for a company to show that it is on the good end of the scale.
A unique opportunity to update your knowledge on your power plant’s Capital Equipment. Hear from industry-leading experts on Gas Turbines, HRSGs, Fluidised Bed Boilers and Steam Turbines. Sharpen your skills with the latest information on inspecting, analysing and maintaining your critical power generation assets.
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2018 CPS Piping Services for CCGT Plants Tetra Engineering Group, Inc.has assistedmany owners of natural gas-fired combined cycle plants with the development of effective Covered Piping Systems (CPS) Programs, Inspection Plans, Pipe Stress Analysis and Field NDT since the ASME adopted the new Code requirements for piping O&M in Section B31.1 Chapter VII in 2007. Tetra has developedsuch programsfor CCGT owners in the US, Canada, Mexico and the Middle East. They have been prepared for 'bubble' 2x1 design with F-class gas turbines as well as modern 1x1 fast-start units, plants with aeroderivative GTs and once-through steam generators as well as smaller units operated by municipal power companies, some of which are in cogeneration service. Based on the latest B31.1 requirements, the CPS Program Plan is tailored to meet your requirements especially regarding the scheduling of NDT inspections over multiple outages to distribute costs and meet outage budget constraints Covered Piping systems O&M Programs for CCGT Plants
Tetra Engineering Group, Inc. has assisted the owners of natural gas-fired combined cycle plants with effective remedies to pressure part thermal performance and reliability issues since 1993. This includes some of the following 'firsts' for Tetra:
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