1995•Power Engineering (Barrington)Requires access

Advancing gas turbine technology: Evolution and revolution

S.E. Kuehn

Abstract

This article describes advances made in gas turbine technology as manufacturers introduce aero-derived advances in the pursuit of more power. The rise in the application of gas turbines for electric power generation is attributable to many factors. The first is an abundance of cheap natural gas. The second reason is the very high (54 percent to 58 percent) combined-cycle efficiencies being achieved with commercially available technology right now. Reliability and availability are cited third. Low environmental impact was cited as the fourth reason why gas turbines are so popular. Fifth are gas turbine`s low capital costs.

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Key concepts: Gas turbines, Combined cycle, Reliability (semiconductor), Natural gas, Turbine, Capital cost, Electricity generation, Environmental science