Gas turbine performance and maintenance continuous improvement

摘要

To meet the dynamic market changes and to improve power plant competitiveness and profitability, OEM of gas turbines are continuously focused on their product development and improvement. Continued enhancement of existing OEM products and services is an important part of the OEM's integrated development concept. In this article the ] application of Siemens' product and services improvement concept is demonstrated on the example of the SGT-600 gas turbine. The 25MW SGT-600 gas turbine was launched on the market in 1984 and since then several modifications and upgrades have been performed, all of them as an answer to the changing market and customer demands on gas turbine performance, operation and maintenance. The following topics are discussed in this article: - emissions reduction; -extension of gas turbine life cycle and time between overhauls; - maintainability; repair of the hot gas path components; - remote monitoring and diagnostic. An overview of current Siemens R&D portfolio dedicated to further improvement of the SGT-600 fleet (e.g. flexible operation, part load operation, cyclic operation mode, new maintenance concepts) is discussed in this paper as well.