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HITACHI REVIEW

Hitachi

AUTHORS

Hidetaro Murata Gas Turbine Design Section, Turbine Plant Design Dept., Hitachi Works, Power Systems, Hitachi, Ltd.
Jinichiro Goto, Dr. Eng. Turbine Global Service Section, Thermal Power Plant After Sales Service Dept., Hitachi Works, Power Systems, Hitachi, Ltd.
Norimasa Nakata Financial Engineering Unit, 4th Dept. of Systems Research, Hitachi Research Lab., Hitachi, Ltd.
Satoshi Kusaka Power Business & System Planning Section, Business Development Dept, Thermal & Hydroelectric System Div., Power Systems, Hitachi, Ltd.

OVERVIEW

Growing concern about environmental problems caused by thermal power plants is making the reduction of CO2 through more efficient power generation and the reduction of NOx and other emissions a top priority. The deregulation of the electric power industry, meanwhile, is helping to expand the demand for medium-capacity, high-efficiency thermal power plants geared toward IPP (independent power producer) and PPS (power producer and supplier) operations. At the same time, high-speed, broadband communications and security and encryption technologies are being used to deploy low-cost, multi-function monitoring services. Against this background, Hitachi has been working to increase the efficiency of its H-25 gas turbine while developing diverse applications and solution services about it, and has recently delivered three units of a power-generation plant to the Goi Power Plant of Goi Coast Energy, Ltd. This is a single-shaft type combined-cycle plant incorporating a 25-ppm-class low-NOx combustor and applying a high-efficiency H-25 gas turbine. To operate and maintain this plant, Hitachi provides power-generation solution services using remote monitoring with high-speed Internet lines and a risk-management tool for power-generation businesses based on financial technology.

KEYWORDS

H-25, gas turbine, combined-cycle, remote monitoring, risk management technology

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