GB/T 20139-2006 电气绝缘结构 对已确定等级的散绕绕组绝缘结构进行组分调整的热评定方法

ICS29.080.30

K15

中华人民共和国国家标准

GB/T20139-2006/IEC61858:1999

电气绝缘结构对已确定等级的散绕绕组

绝缘结构进行组分调整的热评定方法

Electricalinsulationsystems-Thermalevaluationofmodificationstoan

establishedwire-woundEIS

(IEC61858:1999,IDT)

2006-03-06发布2006-08-01实施

中华人民共和国国家质量监督检验检疫总局发布

中国国家标准化管理委员会

GB/T20139-2006/IEC61858:1999

目次

前言·············································································，···········，····················，，·……工

1范围···············································································································……1

2规范性引用文件·······························································································……1

3术语与定义······································································································……1

4总则···········，····，···············，··················，·························································……1

5对某一种绝缘材料厚度变化的评定······················································…·……‘““““““3

5.1试样············································，······，···········，，···········································……3

5.2确认···············，·····，，······，·······，······································································……3

6绕组线的替代·····························，························，，···········································……3

6.1总则······························································，················，·······················，···……3

6.2漆膜的替代·································································································……3

6.3导体材料的替代·····················，·······································································……3

6.4绕组线的变换································································································……3

7浸渍树脂/浸渍漆的替代············································································…·…’““““‘3

7.1耐热等级的评定··················，····················，·····················································……3

7.2评定···········································································································……4

8其他绝缘材料的替代··························································································……4

8.1相同材料··，，································································································……4

8.2预评定·················，···························，···················，······································……4

8.3其他······················，·····，···············································································……4

9添加物的评定··················································，··················，······························，…4

9.1添加一种浸渍树脂/浸渍漆·，··············································································……4

9.2其他组分的添加·············································································，，·············……4

1。单点热老化试验································································································……4

10.1试品·······························································，，········，··········，·····，················……4

10.2相对温度指数(RTI)的确定············································，········，·······，·······，，……“””‘5

10.3结论分析····································································，·················，··············……5

附录A(规范性附录)绕组线类别··························