パイプラインのコンピュータ監視制御システム

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タイトル別名
  • Gas pipeline supervisory control system.
  • パイプライン ノ コンピューター カンシ セイギョ システム

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Natural gas produced in the Minaminagaoka and Higashikashiwazaki gas fields of TEI-KOKU OIL COMPANY (TOC) is transported to the market in Niigata, Nagano, Gunma, and Saitama Prefectures through TOC's pipelines. The total length of the pipelines is about 520km. As the main use of such natural gas is town gas, the quantity of transported gas has increased year by year in response to the growth of towns. The demand for town gas depends on weather. Therefore the demand for natural gas changes greatly not only seasonally but also hourly. It is very important to adjust the production rate in order to match such demand. Natural gas used for town gas must be supplied continuously without any interruption, and the securing of the safety in the pipeline operations is becoming increasingly important. Considering the above situation, tele-metering and tele-controlling system was introduced to supervise and control the pipeline operations.<br>The supervisory control system for gas pipelines was initiated in December, 1981, and the control center was established in the TOC's building at Kashiwazaki city, Niigata. This paper describes the outline of the system and its operational aspects.

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