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- | 2001-11-02 颁布
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ICS29.040,10
E 38 场昌
中 华 人 民 共 和 国 国 家 标 准
GB/r7252一2001
neqIEC60599:1999
变压器油中溶解气体分析和判断导则
Guidetotheanalysisandthediagnosis
ofgasesdissolvedintransformeroil
2001门1一02发布 2002一04一01实施
中 华 人 民 共 和 国
国家质量监督检验检疫总局 发 布
GB/T7252-2001
目 次
前言 ·······························································································。··················。·… 8
1 范围 ····················。························································。·································…… 1
2 引用标准 ··················。·····················································································…… 1
3 定义 ·································································································。·············…… 1
4 产气原理 ····················。··········································。···················。·····················…… 1
5 检测周期 ·····················。。························。···································。··············。······…… 3
6 取样 ·····································································································。·········…… 3
7 从油中脱出溶解气体 ····································,·····················································……5
8 气体分析方法 ····························································。。····。································…… 7
9 故障识别 ·10
10 故障类型判断 ································································································…… 13
11气体继电器中自由气体的分析判断 ·············。。······················································一· 16
12 设备档案卡片 ············································,············。·········,··········。。················…… 16
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