DL∕T 2217-2021 变压器用天然酯和合成酯油溶解气体分析导则.pdf

ICS29.040.99

CCSE38

11］圃

中华人民共和国电力行业标准

DL/T2217一－2021

变压器用天然醋和合成醋油

溶解气体分析导则

Guideforinterpretationofgasesgeneratedinnaturalesterand

syntheticester-immersedtransformers

2021-01-07发布.2021-07-01实施

国家能源、局发布

DL/T2217-2021

目次

前言..………………………II

1范围..

2规范性引用文件……·

3术语和定义........

4油中气体的来源………··········································································2

5检测周期.…····························································……………···············4

6取样…

7气体组分含量检测方法......……........5

8故障的识别……...…….………..…·····················6

附录A（资料性〉大卫三角形法…………···············9

附录B（资料性〉实验室热解和电弧实验···································…………12

附录c（资料性）实验室热解实验………...…·……·············································….....13

附录D（资料性）油中溶解气体分析数据库的统计分析..............….......”…............…·17

附录E（资料性）ASTMD7150杂散气体试验结果..........…................…··19

附录FC资料性〉暴露于荧光灯下引起的杂散气体·································……·………20

附录GC资料性〉特征气体法…························………………·21

附录H（资料性〉实例分析·················….....…………·22

附录I（资料性〉天然酶绝缘油变压器出厂试验前后油巾榕解气体分析数据·······································25

参考文献.....………..………................…·…·······················26

DL厅2.217-2021

目IJj§I

本文件按照GBff1.1-2020《标准化工作导则第