Standard No.:	JB/T 8639-1997
English Name:	Oil-immersed power transformer - Temperature rise test guidelines with oil-dissolved gas analysis
Chinese Name:	油浸式电力变压器 带有油中溶解气体分析的温升试验导则
Chinese Classification:	K41    Transformer
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	Ministry of Machine Building
Issued on:	1997-09-05
Status:	abolished
Abolished on:	2023-11-03
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

本标准规定了油浸式电力变压器带育油中溶解气体分析的温升试验方法和要求。
本标准适用于以下油浸式电力变压器：
a)独立绕组的三相变压器，额定容量≥120MVA；
b)具有独立绕组的单相变压器，每柱额定容量≥40MVA；
c)三相自耦变压器的等值额定容量或单相等值每柱额定容量分别等效a)和b)所列值；
d)变压器额定容量虽小于a)，b)或c)中所示的限值，但是其漏磁通或漏磁场强大于或相当于前述三种情况。