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Development of a New 25MW High Efficiency Heavy-Duty Gas Turbine H-25 PUBLIC ACCESS

[+] Author Affiliations
Haruo Urushidani, Tetsuo Sasada, Masamichi Wada, Kazuhiko Kawaike

Hitachi, Ltd., Tokyo and Hitachi, Japan

Paper No. 90-GT-072, pp. V004T11A002; 8 pages
doi:10.1115/90-GT-072
From:
  • ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Brussels, Belgium, June 11–14, 1990
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7907-8
  • Copyright © 1990 by ASME

abstract

A new 25MW class gas turbine H-25 has been developed to meet both 50 Hz and 60 Hz power generation needs with high reliability and efficient performance utilizing advanced high temperature gas turbine technologies. Because of its superior performance, over 32% in simple cycle efficiency, the H-25 gas turbine enables significant reduction of fuel consumption compared with previous 25MH class turbines. The H-25 also achieves higher thermal efficiency in a combined cycle power plant and a cogeneration plant with a waste heat recovery boiler. The first unit entered commercial operation at the end of November 1988 after full load factory test instrumented with more than 800 pieces of instrumentation.

This paper describes the design features and the latest technological refinements in each component of the H-25 gas turbine. Also presented are the component test programs and the results of full load factory test and field test on the first unit.

Copyright © 1990 by ASME
Topics: Gas turbines
This article is only available in the PDF format.

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