A prototype machine for a next generation microturbine system applying a simple humid air turbine system (design target of electrical output: 150 kW, electrical efficiency: 35% LHV) was developed for its laboratory evaluation. A low NOx combustor which applied a lean-lean zone combustion concept and water lubricated bearings were developed for the prototype machine. Operation using two water lines for the humid air turbine (HAT) was proposed as an effective way to obtain rated electric output to ambient temperature of 40 deg C. Tests for the main components were done successfully. Motoring tests, full speed test with no load, 50% load and 70% load tests as preliminary tests for rated load tests were also carried out successfully. Low NOx emission of 7.6 ppm and high efficiency of 95.6% for the power conversion system were achieved in the partial load tests. At the first rated load test without HAT and Water atomizing inlet air cooling (WAC) that followed those partial load tests, 150.3 kW electric output with electrical efficiency of 32% was obtained.
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ASME Turbo Expo 2004: Power for Land, Sea, and Air
June 14–17, 2004
Vienna, Austria
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
0-7918-4171-5
PROCEEDINGS PAPER
Development of an Advanced Microturbine System Using Humid Air Turbine Cycle
Satoshi Dodo,
Satoshi Dodo
Hitachi, Ltd., Ibaraki-ken, Japan
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Susumu Nakano,
Susumu Nakano
Hitachi, Ltd., Ibaraki-ken, Japan
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Tomoaki Inoue,
Tomoaki Inoue
Hitachi, Ltd., Ibaraki-ken, Japan
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Masaya Ichinose,
Masaya Ichinose
Hitachi, Ltd., Ibaraki-ken, Japan
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Manabu Yagi,
Manabu Yagi
Hitachi, Ltd., Ibaraki-ken, Japan
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Kuniyoshi Tsubouchi,
Kuniyoshi Tsubouchi
Hitachi, Ltd., Ibaraki-ken, Japan
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Kazuyuki Yamaguchi,
Kazuyuki Yamaguchi
Hitachi, Ltd., Ibaraki-ken, Japan
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Yasushi Hayasaka
Yasushi Hayasaka
Hitachi, Ltd., Ibaraki-ken, Japan
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Satoshi Dodo
Hitachi, Ltd., Ibaraki-ken, Japan
Susumu Nakano
Hitachi, Ltd., Ibaraki-ken, Japan
Tomoaki Inoue
Hitachi, Ltd., Ibaraki-ken, Japan
Masaya Ichinose
Hitachi, Ltd., Ibaraki-ken, Japan
Manabu Yagi
Hitachi, Ltd., Ibaraki-ken, Japan
Kuniyoshi Tsubouchi
Hitachi, Ltd., Ibaraki-ken, Japan
Kazuyuki Yamaguchi
Hitachi, Ltd., Ibaraki-ken, Japan
Yasushi Hayasaka
Hitachi, Ltd., Ibaraki-ken, Japan
Paper No:
GT2004-54337, pp. 167-174; 8 pages
Published Online:
November 24, 2008
Citation
Dodo, S, Nakano, S, Inoue, T, Ichinose, M, Yagi, M, Tsubouchi, K, Yamaguchi, K, & Hayasaka, Y. "Development of an Advanced Microturbine System Using Humid Air Turbine Cycle." Proceedings of the ASME Turbo Expo 2004: Power for Land, Sea, and Air. Volume 6: Turbo Expo 2004. Vienna, Austria. June 14–17, 2004. pp. 167-174. ASME. https://doi.org/10.1115/GT2004-54337
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