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Database: 189759 (26 Oct 2025)
DL/T 866-2015 English PDF
DL/T 866: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
DL/T 866-2015
English
RFQ
ASK
3 days [Need to translate]
Code for selection and calculation of current transformer and voltage transformer
Valid
DL/T 866-2015
DL/T 866-2004
English
RFQ
ASK
11 days [Need to translate]
The guide for selection and calculation of current transformers and voltage transformers
Obsolete
DL/T 866-2004
PDF similar to DL/T 866-2015
Standard similar to DL/T 866-2015
GB/T 33605
GB/T 33593
DL/T 437
DL/T 860.93
DL/T 860.905
DL/T 860.10
Basic data
Standard ID
DL/T 866-2015 (DL/T866-2015)
Description (Translated English)
Code for selection and calculation of current transformer and voltage transformer
Sector / Industry
Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard
F21
Classification of International Standard
27.100
Word Count Estimation
211,224
Date of Issue
2015-04-02
Date of Implementation
2015-09-01
Older Standard (superseded by this standard)
DL/T 866-2004
Quoted Standard
GB 16847; GB 20840.1; GB 20840.3; GB/T 20840.5; GB/T 20840.7; GB/T 20840.8; GB/T 50063; DL/T 860.92; DL/T 5153
Regulation (derived from)
?Energy Bureau Announcement 2015 No. 3
Issuing agency(ies)
National Energy Administration
Summary
This Standard applies to a unit capacity of 1000MW and below the power plant, 1000kV and below substation construction, expansion and renovation project to protect and measuring current transformers, voltage transformer selection and calculation. Not available for measurement and protection devices dedicated internal converter, AC operation dedicated transformers, and laboratory use transformers.
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