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成果報告書詳細
管理番号20170000000140
タイトル*平成28年度中間年報 クリーンコール技術海外普及展開等事業 ウクライナにおけるスチームタービンの効率向上実証
公開日2017/6/2
報告書年度2016 - 2016
委託先名株式会社東芝 一般財団法人石炭エネルギーセンター
プロジェクト番号P15004
部署名環境部
和文要約
英文要約Title : Dissemination Activities for Clean Coal Technology Transfer / Demonstration Project for Steam Turbine Efficiency Enhancement on Ukrainian Units (FY2015-FY2017) FY2016 Annual Report

Trypilska Unit-4 in Ukraine is a coal-fired unit of 300MW and started commercial operation at 1972. Although Trypilska Thermal Power Plant performs their maintenance work periodically and they operate their unit stably for around 40 years, the unit efficiency is not high because the unit itself is with outdated design. Therefore, the efficiency enhancement for the existing steam turbine is proposed with replacement for HP, IP and LP section using the latest steam path technologies.
The high efficiency and reliability derived from the latest technologies have sufficient sustainability and provide the heat rate enhancement on the same rated output with the reduction of Carbon Dioxide Emission as well as fuel consumption. And also, in the achievement, it is underlined that the required scope in this proposal is more economical than the new project, because the modification and/or design change for Boiler, Generator, Main Transformers, BOP (Balance of Plant) and so on are not requested in case their operating condition is sound.
In the project, the additional scope is included according to request by Ukraine side, such as overhaul for the reused components of the existing steam turbine, replacement of governing system with electrical hydraulic control, installation of new monitoring system for turbine vibration & operating parameters, replacement of boiler feed water control valves & spray water control valves, modernization for unit monitoring & control system and so on. They contribute for improvement on the unit reliability & operational-ability.

This feasibility study is for the demonstration on the heat rate enhancement of this unit and the dissemination on the around 20 units of similar 300MW which are now operating in the similar condition in Ukraine and CIS countries. In the said study report, the following items were mentioned, that is, the requested scope for the efficiency enhancement including the site work as well as the required consideration for Ukrainian tax rules & regulation and so on.
The demonstration project will be started at the fiscal year 2017.
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