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ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition | 1990

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

Haruo Urushidani; Tetsuo Sasada; Masamichi Wada; Kazuhiko Kawaike

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


Archive | 2000

Gas turbine exhaust recirculation method and apparatus

Motoaki Utamura; Shinichi Hoizumi; Yasushi Takeda; Toshihiko Sasaki; Hideaki Komatsu; Seiichi Kirikami; Takeshi Suzumura; Tetsuo Sasada; Takashi Ikeguchi; Shigehisa Sugita


Archive | 1994

Member having internal cooling passage

Shunichi Anzai; Kuzuhiko Kawaike; Isao Takehara; Tetsuo Sasada; Hajime Toriya


Archive | 2004

Gas turbine with water injection

Nobuyuki Horii; Isao Takehara; Hidetaro Murata; Motoaki Utamura; Takaaki Kuwahara; Tetsuo Sasada; Fumiyuki Hirose; Yasuhiro Katoh


Archive | 1996

Thermal stress relaxation type ceramic coated heat-resistant element and method for producing the same

Yoshitaka Kojima; Hideyuki Arikawa; Mitsuo Haginoya; Akira Mebata; Tetsuo Sasada; Hajime Toriya


Archive | 1993

Improvements in cooling and sealing for a gas turbine cascade device

Takeshi Kudo; Isao Takehara; Tetsuo Sasada; Shunichi Anzai; Kazuhiko Kawaike


Archive | 1985

Turbine stage structure

Tetsuo Sasada; Takeshi Sato; Haruo Urushidani; Katsukuni Hisano; Ryoichi Kaneko; Kazuo Ikeuchi; Kunio Tsuji


Archive | 1994

Thermal stress relaxation type ceramic coated heat-resistant element

Yoshitaka Kojima; Hideyuki Arikawa; Mitsuo Haginoya; Akira Mebata; Tetsuo Sasada; Hajime Toriya


Archive | 2004

Gas turbine having water injection unit

Nobuyuki Horii; Isao Takehara; Hidetaro Murata; Motoaki Utamura; Takaaki Kuwahara; Tetsuo Sasada; Fumiyuki Hirose; Yasuhiro Katoh


Archive | 1992

Control apparatus and a control method of a gas turbine combustor

Hiraku Ikeda; Tetsuo Sasada; Isao Sato; Yoshikazu Moritomo; Koji Takahashi; Minoru Takaba

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