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Database: 189760 (18 Oct 2025)
DL/T 574-2021 English PDF
DL/T 574: Evolution and historical versions
Standard ID
Contents [version]
USD
STEP2
[PDF] delivered in
Standard Title (Description)
Status
PDF
DL/T 574-2021
English
RFQ
ASK
3 days [Need to translate]
Guide for the operation and maintenance of tap-changers in the power transformer
Valid
DL/T 574-2021
DL/T 574-2010
English
RFQ
ASK
3 days [Need to translate]
Guide to the operation and the maintenance of tap-changers in the transformer
Obsolete
DL/T 574-2010
DL/T 574-1995
English
RFQ
ASK
14 days [Need to translate]
Guiding principle for operating and maintaining on-load tap switches
Obsolete
DL/T 574-1995
PDF similar to DL/T 574-2021
Standard similar to DL/T 574-2021
GB/T 11022
GB/T 3906
GB/T 25307
DL/T 781
DL/T 737
DL/T 617
Basic data
Standard ID
DL/T 574-2021 (DL/T574-2021)
Description (Translated English)
Guide for the operation and maintenance of tap-changers in the power transformer
Sector / Industry
Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard
K43%F41
Word Count Estimation
178,159
Issuing agency(ies)
National Energy Administration