Programme of work

BUREAU OF INDIAN STANDARDS

Electrotechnical Department

Programme of Work

ETD34 : Instrument Transformers

Scope : To prepare standards and application guides for instrument transformers
Liaison :

IEC TC 38 - Instrument Transformers - Participating (P)

Published Standards

SI. No.	IS No.	Title	Reaffirmation Details	No. of Amendments	Degree of Equivalence
1.	IS 16227 (Part 1) : 2016 IEC 61869-1 : 2007	Instrument transformers: Part 1 general requirements		-	Identical under dual numbering
2.	IS 16227 (Part 2) : 2016 IEC 61869-2 : 2012 Reviewed In : 2021	Instrument transformers: Part 2 additional requirements for current transformers	February, 2021	-	Identical under dual numbering
3.	IS 16227 (Part 3) : 2015 iec61869-3	Instrument transformers: Part 3 additional requirements for inductive voltage transformers		-	Identical under dual numbering
4.	IS 16227 (Part 4) : 2015 IEC 61869-4 : 2013	Instrument transformers: Part 4 additional requirements for combined transformers		-	Identical under dual numbering
5.	IS 16227 (Part 5) : 2015 iec61869-5	Instrument transformers: Part 5 additional requirements for capacitors voltage transformers		1	Identical under dual numbering
6.	IS 16227 (Part 6) : 2018 IEC 61869-6 : 2016 Reviewed In : 2023	Instrument transformers: Part 6 additional general requirements for low - Power instrument transformers	March, 2023	-	Identical under dual numbering
7.	IS 16227 (Part 9) : 2018 IEC 61869-9 : 2016 Reviewed In : 2023	Instrument transformers: Part 9 digital interface for instrument transformers	March, 2023	-	Identical under dual numbering
8.	IS 16227 (Part 100) : 2018 IEC 61869-100 : 2017	Instrument transformers: Part 100 guidance for application of current transformers in power system protection		-	Identical under dual numbering
9.	IS 16227 (Part 102) : 2018 IEC/TR 61869-102	Instrument transformers: Part 102 ferroresonance oscillations in substations with inductive voltage transformers		-	Identical under dual numbering
10.	IS 16227 (Part 103) : 2018 IEC/TR 61869-103 : 2012	Instrument Transformers part 103 The use of instrument Transformers for power quality Measurement		-	Identical under dual numbering
11.	IS 16855 (Part 1) : 2018 IEC 62689 -1 : 2016	Current and voltage sensors or detectors, to be used for fault passage indication purposes: Part 1 general principles and requirements		-	Identical under dual numbering
12.	IS 16855 (Part 2) : 2018 IEC 62689-2 : 2016	Current and Voltage Sensors or Detectors to be used for Fault Passage Indication Purposes part 2 System Aspects		-	Identical under dual numbering
13.	IS 16855 (Part 100) : 2019 IEC 62689-100 : 2016	Current and voltage sensors or detectors to be used for fault passage indication purposes: Part 100 requirements and proposals for the is/iec 61850 series data model extensions to support fault passage indicators applications		-	Identical under dual numbering
14.	IS 2705 (Part 1) : 1992 Reviewed In : 2017	Current transformers - Specification: Part 1 general requirements (Second Revision)		2	Indigenous
15.	IS 4146 : 1983 Reviewed In : 2016	Application guide for voltage transformers (First Revision)		-	Indigenous
16.	IS 4201 : 1983 Reviewed In : 2016	Application guide for current transformer (First Revision)		-	Indigenous
17.	IS 5547 : 1983 Reviewed In : 2016	Application guide for capacitor voltage transformers (First Revision)		-	Indigenous
18.	IS/IEC 60044-7 : 1999 Reviewed In : 2022	Instrument transformers: Part 7 electronic voltage transformers	December, 2022	-	Identical under single numbering
19.	IS/IEC 60044-8 : 2002 IEC 60044-8 : 2002	Instrument transformers: Part 8 electronic current transformers		-	Identical under single numbering
20.	IS 6949 : 1973 Reviewed In : 2016	Specification for summation current transformers		-	Indigenous

Standards Under Develpoment

Projects Approved

SI. No.	Doc No	TITLE
No Records Found

Preliminary Draft Standards

SI. No.	Doc No	TITLE
No Records Found

Drafts Standards in WC Stage

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No Records Found

Draft Standards Completed WC Stage

SI. No.	Doc No	TITLE
No Records Found

Finalized Draft Indian Standard

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No Records Found

Finalized Draft Indian Standards under Print

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No Records Found

Total Published Standards:20 Total Standards Under development : 0

Aspect Wise Report

Product:	12
Code of Practices :	5
Methods of Test :	0
Terminology :	0
Dimensions :	0
System Standard :	0
Safety Standard :	0
Others :	3
Service Specification :	0
Process Specification :	0
Unclassified :	0

Total :20

Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.	IS No.	Title
1.	IS 11322 : 1985 Reviewed In : 2016	Method for partial discharge measurement in instrument transformers
2.	IS 2705 (Part 2) : 1992 Reviewed In : 2017	Current transformers Part 2 Measuring current transformers
3.	IS 2705 (Part 3) : 1992 Reviewed In : 2012	Current transformers Part 3 Protective current transformers
4.	IS 2705 (Part 4) : 1992 Reviewed In : 2012	Current transformers Part 4 Protective current transformers for special purpose applications
5.	IS 3156 (Part 1) : 1992 Reviewed In : 2012	Voltage transformers Part 1 General requirements
6.	IS 3156 (Part 2) : 1992 Reviewed In : 2012	Voltage transformers Part 2 Measuring voltage transformers
7.	IS 3156 (Part 3) : 1992 Reviewed In : 2012	Voltage transformers Part 3 Protective voltage transformers
8.	IS 3156 (Part 4) : 1992 Reviewed In : 2012	Voltage transformers Part 4 Capacitor voltage transformers
9.	IS/IEC6004 :-1 : 2003 Reviewed In : 2012	Instrument Transformers Part 1 Current Transformers

Annexure-II :List of Indian Product Standards

SI. No.	IS No. & Year	Title
1.	IS 16227 (Part 1) : 2016 IEC 61869-1 : 2007	Instrument transformers Part 1 general requirements
2.	IS 16227 (Part 2) : 2016 IEC 61869-2 : 2012 Reviewed In : 2021	Instrument transformers Part 2 additional requirements for current transformers
3.	IS 16227 (Part 3) : 2015 iec61869-3	Instrument transformers Part 3 additional requirements for inductive voltage transformers
4.	IS 16227 (Part 4) : 2015 IEC 61869-4 : 2013	Instrument transformers Part 4 additional requirements for combined transformers
5.	IS 16227 (Part 5) : 2015 iec61869-5	Instrument transformers Part 5 additional requirements for capacitors voltage transformers
6.	IS 16227 (Part 6) : 2018 IEC 61869-6 : 2016 Reviewed In : 2023	Instrument transformers Part 6 additional general requirements for low - Power instrument transformers
7.	IS 16227 (Part 9) : 2018 IEC 61869-9 : 2016 Reviewed In : 2023	Instrument transformers Part 9 digital interface for instrument transformers
8.	IS 16855 (Part 1) : 2018 IEC 62689 -1 : 2016	Current and voltage sensors or detectors to be used for fault passage indication purposes Part 1 general principles and requirements
9.	IS 2705 (Part 1) : 1992 Reviewed In : 2017	Current transformers - Specification Part 1 general requirements Second Revision
10.	IS/IEC 60044-7 : 1999 Reviewed In : 2022	Instrument transformers Part 7 electronic voltage transformers
11.	IS/IEC 60044-8 : 2002 IEC 60044-8 : 2002	Instrument transformers Part 8 electronic current transformers
12.	IS 6949 : 1973 Reviewed In : 2016	Specification for summation current transformers