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    Suzhou Electric Appliance Research Institute
    期刊號: CN32-1800/TM| ISSN1007-3175

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    壓力釋放閥性能試驗中存在問題與對策分析

    來源:電工電氣發(fā)布時間:2024-10-09 08:09 瀏覽次數(shù):96

    壓力釋放閥性能試驗中存在問題與對策分析

    郝世旺
    (魏德曼檢測技術(上海)有限公司,上海 201114)
     
        摘 要:壓力釋放閥作為油浸式電力變壓器的泄壓防爆裝置,是非電量保護系統(tǒng)中的關鍵設備之一。梳理了壓力釋放閥裝置試驗分類,分析了其關鍵性能參數(shù),針對性能試驗中存在的試驗標準滯后、檢測設備復雜且缺乏規(guī)范、例行試驗不合格率偏高、開啟時間檢測難以實施、排量性能試驗不完善等若干問題,進行了具體的原因分析及難點解剖,并提出了相應的處理措施及合理化建議。
        關鍵詞: 變壓器;壓力釋放閥;性能試驗;開啟壓力;開啟時間
        中圖分類號:TM41     文獻標識碼:B     文章編號:1007-3175(2024)09-0058-06
     
    Study on the Problems and Countermeasures in the
    Performance Test of Pressure Relief Valve
     
    HAO Shi-wang
    (Weidmann Diagnostic Solutions (Shanghai) Co., Ltd, Shanghai 201114, China)
     
        Abstract: As a pressure relief and explosion prevention device of oil-immersed power transformer, the pressure relief valve is one of the key equipment in non-electric protection system. This paper sorted out the test classification of pressure relief valve device and analyzed its key performance parameters, the specific reasons and difficulties were analyzed for the problems existing in the test, such as the hysteresis of test standard, the complex testing equipment without unified technical specifications, the high unqualified rate of routine tests, the difficult implementation of the open time test, and the imperfect displacement performance test. Finally, this paper put forward the corresponding measures and rationalization suggestions.
        Key words: transformer; pressure relief valve; performance test; operating pressure; open time
     
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