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气封技术在变压器油生产中的应用

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摘要 本文分析了中国石化润滑油有限公司上海分公司变压器油生产中击穿电压的各种影响因素,发现与潮湿空气的接触是导致储罐中油品击穿电压降低的主要原因,确定了利用微压干燥空气密封变压器油储罐气相空间的气封系统改造方案。方案实施结果表明,这种气封技术能有效隔绝潮湿空气与油品的直接接触,可以使变压器油的击穿电压稳定在40 kV以上。
作者 徐辉
出处 《石油商技》 2019年第1期28-33,共6页 Petroleum Products Application Research
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