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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2010 Vol.6

    Analysis on Fuzzy Fault Tree Failure of Gas Turbine at Compressor Station
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    Key Words： Compressor station; Gas turbine; Fuzzy fault tree; Failure
    Abstract：With completion of several largescale gas pipelines, such as WestEast Gas Pipeline, SichuanEast Gas Pipeline and ShaanxiBeijing Gas Pipeline, amount of compressor stations is increasing gradually. As main driving equipment of compressor station, gas turbine plays a crucial role. A malfunction analysis is performed according to several common failure modes of gas turbine, such as bearing failure, surge phenomena, blade fracture, startup failure and gear failure and established is fault tree model for gas turbine. As the event occurrence rate is not certain, the fuzzy mathematics is introduced into the fault tree method and the fuzzy fault tree safety evaluation method is given for gas turbine. Practical results show that the method is effective in the safety assessment of gas turbine.
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