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Steam Turbines

Steam Turbines

Steam Turbine Performance

TGPS has conducted several dozens of steam turbine performance test around the world. Our thermal performance engineers have experience evaluating the steam turbine efficiency of different OEMs such as GE, Alstom, Siemens, Rolls Royce and Mitsubishi, Skoda among others. The purpose of the steam turbine performance test can vary, from contractual reasons to diagnostic purposes, such as understanding changes in the steam turbine efficiency.

Our performance testing company strictly follows the ASME PTC 6, ISO and DIN test protocols. These protocols are universally accepted as methods to measure the steam turbine efficiency and/or steam turbine output in a reliable manner.

Our experience involves different models of steam turbines. Our team of steam turbine performance engineers is ready to work in projects around the world. TGPS holds a large amount of precision testing instrumentation to evaluate the steam turbine performance. These instruments are used to reduced the performance testing uncertainty of the steam turbine performance test results.

Steam Turbine Efficiency

Probably the most important parameter in a steam turbine is the steam turbine section efficiency. This efficiency can vary due to operating, design or due to the impact of BOP equipment. Understanding the steam turbine efficiency is critical for the profitability of the plant. A detaile study needs to be done in the steam cycle components and the individual impact of each in the steam turbine efficiency.

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Performance Test Procedure

For a combined cycle performance test, there are certain specific items to place special attention in the combined cycle performance test procedure.

  • Combined Cycle Isolation (thermal and electrical isolation)
  • Test Boundaries Definition
  • Combined Cycle Performance Guarantees
  • Testing Instrumentation
  • Calculation of final Combined Cycle Performance

TGPS has a diverse range of experience, not only in the CC configuration, but also in complex evaluation of projects that occurs in a multi-stage testing program as defined in the ASME PTC 46.

Acceptance Test vs Diagnostic Test

Depending on the objective of testing certain parameters are more critical than others. Only an experience power plant performance engineer can guide the process through the most efficient path to achieve the specific objectives. For a contractual performance test topics such as test uncertainty, performance guarantees are more relevant. In a diagnostic test, not only these parameters are important, but also looking to historical trends, power plant upgrades, operation modes, load cycling, among others. Our team uses the latest tools to diagnostic the combined cycle performance in an accurate and practical way. Results that can impact directly the combined cycle efficiency.

Why is Power Plant Efficiency Important?

Power Plant Efficiency is directly correlated to the business sustainability in terms of financial performance and long-term feasibility.

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