Programme of work

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BUREAU OF INDIAN STANDARDS


Electrotechnical Department

Programme of Work




ETD35 : Power Systems Relays


  • Scope : To prepare standards for power systems relays including those incorporating solid state devices, also taking into account combination of relays and devices to form schemes for power systems including control equipment associated with that protection
  • Liaison :
    IEC TC 94 - Electrical relays - Participating (P)
    IEC TC 95 - Measuring relays and protection equipment - Participating (P)

Published Standards

SI. No.
IS No.
Title
Reaffirmation Details
No. of Amendments
Degree of Equivalence
1.
 IS 10075 : 1981
Reviewed In : 2024
Decision taken to Reaffirm and Archive
Specification for start relay and overload protector for resistance start induction run hermetic compressor
June, 2024
-
Indigenous
2.
 IS 14122 : 1994
Reviewed In : 2016
Built - In thermal protection for electric motors rated up to 660 V AC - Specification
-
Modified/Technically Equivalent
3.
 IS 17064 (Part 1) : 2018
IEC 61810-1 : 2015
Reviewed In : 2024
Electromechanical elementary relays: Part 1 general and safety requirements
March, 2024
1
Identical under dual numbering
4.
 IS 17064 (Part 2) : 2019
IEC 61810-2 : 2017
Reviewed In : 2024
Electromechanical elementary relays: Part 2 reliability
March, 2024
-
Identical under dual numbering
5.
 IS 17064 (Part 2/Sec 1) : 2019
IEC 61810-2-1 : 2017
Reviewed In : 2024
Electromechanical elementary relays: Part 2 reliability: Sec 1 procedure for the verification of b10 values
March, 2024
-
Identical under dual numbering
6.
 IS 17064 (Part 3) : 2020
IEC 61810-3 : 2015
Electromechanical Elementary Relays Part 3 Relays with Forcibly Guided ( Mechanically Linked ) Contacts
-
Identical under single numbering
7.
 IS 17065 (Part 1) : 2018
IEC 61811-1 : 2015
Reviewed In : 2024
Electromechanical telecom elementary relays of assessed quality: Part 1 generic specification and blank detail specification
March, 2024
-
Identical under dual numbering
8.
 IS 17066 (Part 1) : 2018
IEC 62246-1 : 2015
Reviewed In : 2024
Reed switches: Part 1 generic specification
March, 2024
-
Identical under dual numbering
9.
 IS 18488 : 2024
GUIDELINES FOR SUBSTATION AUTOMATION SYSTEM BASED ON IEC 61850
-
Indigenous
10.
 IS 3637 : 1966
Reviewed In : 2016
Specification for gas - Operated relays
September, 2016
1
Indigenous
11.
 IS 3638 : 1966
Reviewed In : 2016
Application guide for gas - Operated relays
September, 2016
1
Indigenous
12.
 IS 3842 (Part 1) : 1967
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part i overcurrent relays for feeders and transformers
August, 2021
-
Indigenous
13.
 IS 3842 (Part 2) : 1966
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 2 overcurent relays for generators and motors
August, 2021
-
Indigenous
14.
 IS 3842 (Part 3) : 1966
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 3 phase unbalance relays including negative phase sequence relays
August, 2021
1
Indigenous
15.
 IS 3842 (Part 4) : 1966
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 4 thermal relays
August, 2021
1
Indigenous
16.
 IS 3842 (Part 5) : 1968
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 5 distance protection relays
August, 2021
-
Indigenous
17.
 IS 3842 (Part 6) : 1972
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 6 power relays
August, 2021
-
Indigenous
18.
 IS 3842 (Part 7) : 1972
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 7 frequency relays
August, 2021
-
Indigenous
19.
 IS 3842 (Part 8) : 1976
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 8 voltage relays
August, 2021
-
Indigenous
20.
 IS 3842 (Part 9) : 1977
Reviewed In : 2021
Application guide for electrical relays for AC systems: Part 9 relays for bus bar protection
August, 2021
-
Indigenous
21.
 IS 3842 (Part 10) : 1976
Reviewed In : 2016
Application guide for electrical relays for AC systems: Part 10 relays for transverse differential protection
-
Indigenous
22.
 IS 3842 (Part 12) : 1976
Reviewed In : 2016
Application guide for electrical relays for AC systems: Part 12 differential relays for transformers
-
Indigenous
23.
 IS 4483 (Part 1) : 1968
Reviewed In : 2024
Decision taken to Reaffirm and Archive
Preferred panel cut - Out dimensions for electrical relays: Part 1 flush mounting IDMTL relays
June, 2024
-
Indigenous
24.
 IS 5834 (Part 1) : 1994
Reviewed In : 2019
Electrical timer relays for industrial purposes - Specification: Part 1 pneumatic (First Revision)
-
Indigenous
25.
 IS 5834 (Part 2) : 1993
Reviewed In : 2018
Electrical timer relays for industrial purposes - Specification: Part 2 motorued (First Revision)
April, 2018
-
Indigenous
26.
 IS 5834 (Part 3) : 1981
Reviewed In : 2019
Specification for electrical timber relays for industrial purposes: Part 3 electronic
2
Indigenous
27.
 IS/IEC 60255-1 : 2009
IEC 60255-1 : 2009
Reviewed In : 2020
Measuring relays and protection equipment: Part 1 common requirements
December, 2020
-
Identical under single numbering
28.
 IS/IEC 60255-12 : 1980
IEC 60255-12 : 1980
Reviewed In : 2020
Electrical relays: Part 12 directional relays and power relays with two input energizing quantities
December, 2020
-
Identical under single numbering
29.
 IS/IEC 60255-13 : 1980
IEC 60255-13 : 1980
Reviewed In : 2022
Electrical relays: Part 13 biased (Percentage) differential relays
June, 2022
-
Identical under single numbering
30.
 IS/IEC 60255-21-2 : 1988
IEC 60255-21-2 : 1988
Reviewed In : 2020
Electrical Relays Part 21 Vibration, Shock, Bump and Seismic Tests on Measuring Relays and Protection Equipment Section 2 Shock and bump tests
January, 2020
-
Identical under single numbering
31.
 IS/IEC 60255-21-3 : 1993
IEC 60255-21-3 : 1993
Reviewed In : 2022
Electrical Relays Part 21 Vibration, Shock, Bump and Seismic Tests on Measuring Relays and Protection Equipment Section 3 Seismic tests
June, 2022
-
Identical under dual numbering
32.
 IS/IEC 60255-21- 1 : 1988
IEC 60255-21-1 : 1988
Reviewed In : 2020
Electrical relays: Part 21 vibration, shock, bump and seismic tests on measuring relays and protection equipment: Sec 1 vibration tests (Sinusoidal)
December, 2020
-
Identical under single numbering
33.
 IS/IEC 60255-24 : 2013
IEC 60255-24 : 2013
Measuring Relays and Protection Equipment Part 24 Common Format for Transient Data Exchange ( COMTRADE ) for Power Systems ( First Revision )
-
Identical under single numbering
34.
 IS/IEC 60255-26 : 2013
IEC 60255-26 : 2013
Measuring Relays and Protection Equipment Part 26 Electromagnetic Compatibility Requirements ( First Revision )
-
Identical under dual numbering
35.
 IS/IEC 60255-27 : 2013
IEC 60255-27 : 2013
Measuring Relays and Protection Equipment Part 27 Product Safety Requirements ( First Revision )
-
Identical under single numbering
36.
 IS/IEC/IEEE 60255-118-1) : 2018
IEC/IEEE 60255-118-1 : 2018
Measuring Relays and Protection Equipment Part 118 Synchrophasor for Power Systems Section 1 Measurements
-
Identical under single numbering
37.
 IS/IEC 60255-121 : 2014
Measuring relays and protection equipment: Part 121 functional requirements for distance protection
-
Identical under single numbering
38.
 IS/IEC 60255-127 : 2010
IEC 60255-127 : 2010
Measuring relays and protection equipment: Part 127 functional requirements for over/under voltage protection
-
Identical under dual numbering
39.
 IS/IEC 60255-149 : 2013
IEC 60255-149 : 2013
Measuring Relays and Protection Equipment Part 149 Functional Requirements for Thermal Electrical Relays
-
Identical under single numbering
40.
 IS/IEC 60255-151 : 2009
IEC 60255-151 : 2007
Measuring relays and protection equipment: Part 151 functional requirements for over/under current protection
-
Identical under dual numbering
41.
 IS/IEC 60255-181 : 2019
IEC 60255-181 : 2019
Reviewed In : 2024
Measuring Relays and Protection Equipment Part 181 Functional Requirements for Frequency Protection
March, 2024
-
Identical under single numbering
42.
 IS/IEC 61810-7 : 2006
IEC 61810-7 : 2006
Reviewed In : 2024
Electromechanical elementary relays: Part 7 test and measurement procedures
March, 2024
-
Identical under single numbering
43.
 IS/IEC 61812-1 : 2011
IEC 61812-1 : 2011
Time Relays for Industrial and Residential Use Part 1 Reuirements and Tests
-
Identical under dual numbering
44.
 IS/IEC 62246-1-1) : 2018
IEC 62246-1-1 : 2018
Reed Switches Part 1 Generic Specification Section 1 Blank detail specification ( First Revision )
-
Identical under single numbering
45.
 IS/IEC 62314 : 2006
IEC 62314 : 2006
Solid - State relays
-
Identical under single numbering
46.
 IS 8714 : 1978
Reviewed In : 2016
Specification for electrical protective relays for use in seismic areas
-
Modified/Technically Equivalent
47.
 IS 9124 : 1979
Reviewed In : 2016
Guide for maintenance and field testing of electrical relays
1
Indigenous
48.
 IS 9994 : 1981
Reviewed In : 2016
Speclfication for potential relays for capacitor - Start capacitor - Run hermetic compressors
-
Indigenous

Standards Under Develpoment

Projects Approved

SI. No.
Doc No
TITLE
No Records Found

Preliminary Draft Standards

SI. No.
Doc No
TITLE
1
ETD 35 (26302)
Revision of: IS/IEC 62314:2006
Solid-state relays
2
ETD 35 (26305)
Revision of: IS/IEC 61812:2011
Time Relays for Industrial and Residential Use
3
ETD 35 (26351)
Revision of: IS 3637:1966
Specification for gas - Operated relays

Drafts Standards in WC Stage

SI. No.
Doc No
TITLE
No Records Found

Draft Standards Completed WC Stage

SI. No.
Doc No
TITLE
No Records Found

Finalized Draft Indian Standard

SI. No.
Doc No
TITLE
1
ETD 35 (24600)
Measuring relays and protection equipment Part 187 Functional requirements for differential protection Section 1 Restrained and Unrestrained differential protection of motors generators and transformers

Finalized Draft Indian Standards under Print

SI. No.
Doc No
TITLE
1
ETD 35 (24590)
Electromechanical elementary relays - Part 4 General and safety requirements for reed relays
2
ETD 35 (24597)
Electromechanical elementary relays Part 10 Additional functional aspects and safety requirements for high-capacity relays


Aspect Wise Report

 
 Product:   17
 Code of Practices :    4
 Methods of Test :   12
 Terminology :   0
 Dimensions :   0
 System Standard :   0
 Safety Standard :   2
 Others :    13
 Service Specification :    0
 Process Specification :    0
 Unclassified :    0
 


Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.
IS No.
Title
1.
 IS 12083 (Part 1) : 1986
Reviewed In : 2016
Specification for electrical relays Part 1 contact performance
2.
 IS 12083 (Part 2) : 1986
Reviewed In : 2016
Specificati - On for electrical relays Part 2 insulation tests
3.
 IS/QC 160000-1 : 1988
IEC Pub 255-7 (1978)
Reviewed In : 2014
Specification for electrical relays Part 1 test and measurement procedures for electromechanical all - Or - Nothing relays
4.
 IS/QC 160000-2 : 1988
IEC Pub 255-10 (1979)
Reviewed In : 2019
Specification for electrical relays Part 2 application of the IEC quality assessment system for electronic components to all - Or - Nothing relays
5.
 IS/QC 160100 : 1988
IEC Pub 255-19/QC 160100 (1983)
Reviewed In : 2019
Electrical relays Secal specification electromechanical all - Or -Nothing relays of assessed quality
6.
 IS/QC 160101 : 1988
IEC Pub 255-19-1(1983)/IEC QC 160101
Reviewed In : 2019
Electrical relay Secal specification electromechanical all - Or - Nothing relays of assesed quality
7.
 IS 3231 (Part 0) : 1986
Reviewed In : 2014
Electrical relays for power systems protection Part 0 General introduction and list of parts
8.
 IS 3231 (Part 1/Sec 1) : 1986
Reviewed In : 2011
Electrical Relays for Power System Protection Part 1 General Requirements Section 1 Contact Performance
9.
 IS 3231 (Part 1/Sec 2) : 1986
Reviewed In : 2011
Electrical relays for power system protection Part 1 General requirements Section 2 Insulation tests
10.
 IS 3231 (Part 1/Sec 3) : 1986
IEC 255-4
Reviewed In : 2011
Electrical realys for power system protection Part 1 General requirements Section 3 High frequency distrubance test for static relays
11.
 IS 3231 (Part 2/Sec 1) : 1987
IEC 255-1-00
Reviewed In : 2011
Electrical Relays for Power System Protection - Part 2 Requirements for Principal Families - Section 1 All-or-Nothing Relays
12.
 IS 3231 (Part 2/Sec 2) : 1987
Reviewed In : 2011
Electrical Relays for Power System Protection - Part 2 Requirements for Principal Families - Section 2 General Requirements for Measuring Relays
13.
 IS 3231 (Part 2/Sec 3) : 1987
IEC 255-8
Reviewed In : 2011
Electrical relays for power system protection Part 2 Requirements for principal families Section 3 General requirements for thermal rlays
14.
 IS 3231 (Part 3/Sec 1) : 1987
IEC 255-3
Reviewed In : 2011
Electrical Relays for Power System Protection - Part 3 Requirements for Particular Group of Relays - Section 1 Non-specified Time or Independent Specified Time Measuring Relays
15.
 IS 3231 (Part 3/Sec 2) : 1987
IEC 255-13
Reviewed In : 2011
Electrical Relays for Power System Protection - Part 3 Requirements for Particular Group of Relays - Section 2 Dependent Specified Time Measuring Relays
16.
 IS 3231 (Part 3/Sec 3) : 1987
IEC 255-13
Reviewed In : 2011
Electrical Relays for Power System Projection - Part 3 Requirements for Particular Group of Relays - Section 3 Biased Percentage Differential Relays
17.
 IS 3231 (Part 3/Sec 4) : 1987
IEC 255-12
Reviewed In : 2011
Electrical Relays for Power System Protection - Part 3 Requirements for Particular Group of Relays - Section 4 Directional Relays and Power Relays
18.
 IS 3231 (Part 3/Sec 5) : 1987
IEC 255-16
Reviewed In : 2011
Electrical relays for power system Protection Part 3 Requirements for particular group of relays Section 5 Impedance measuring relays
19.
 IS/IEC 60255-5 : 2000
IEC 60255-5 : 2000
Measuring relays and protection equipment Part 5 insulation coordination for measuring relays and protection equipment - Requirements and tests
20.
 IS/IEC 60255-8 : 1990
IEC 60255-8 : 1990
Electrical relays Part 8 thermal electrical relays
21.
 IS/IEC 60255-11 : 2008
IEC 60255-11 : 2008
Measuring relays and protection equipment Part 11 voltage dips short interruptions variations and ripple on auxiliary power supply port
22.
 IS/IEC 60255-22-6) : 2001
IEC 60255-22-6 : 2001
Electrical Relays Part 22 Electrical Disturbance Tests for Measuring Relays and Protection Equipment Section 6 Immunity to conducted disturbances induced by radio frequency fields
23.
 IS/IEC 60255-22-7) : 2003
IEC 60255-22-7 : 2003
Electrical Relays Part 22 Electrical Disturbance Tests for Measuring Relays and Protection Equipment Section 7 Power frequency immunity tests
24.
 IS/IEC 60255-22- 1) : 2007
IEC 60255-22-1 : 2007
Measuring relays and protection equipment Part 22 electrical disturbance tests Sec 11 MHZ burst immunity tests
25.
 IS/IEC 60255-25 : 2000
IEC 60255-25 : 2000
Electrical relays Part 25 electromagnetic emission tests for measuring relays and protection equipmen
26.
 IS 8686 : 1977
IEC 255-4
Reviewed In : 2016
Specification for static protective relays


Annexure-II :List of Indian Product Standards

SI. No.
IS No. & Year
Title
1.
 IS 10075 : 1981
Reviewed In : 2024
Decision taken to Reaffirm and Archive
Specification for start relay and overload protector for resistance start induction run hermetic compressor
2.
 IS 17064 (Part 3) : 2020
IEC 61810-3 : 2015
Electromechanical Elementary Relays Part 3 Relays with Forcibly Guided Mechanically Linked Contacts
3.
 IS 17065 (Part 1) : 2018
IEC 61811-1 : 2015
Reviewed In : 2024
Electromechanical telecom elementary relays of assessed quality Part 1 generic specification and blank detail specification
4.
 IS 17066 (Part 1) : 2018
IEC 62246-1 : 2015
Reviewed In : 2024
Reed switches Part 1 generic specification
5.
 IS 3637 : 1966
Reviewed In : 2016
Specification for gas - Operated relays
6.
 IS 5834 (Part 1) : 1994
Reviewed In : 2019
Electrical timer relays for industrial purposes - Specification Part 1 pneumatic First Revision
7.
 IS 5834 (Part 2) : 1993
Reviewed In : 2018
Electrical timer relays for industrial purposes - Specification Part 2 motorued First Revision
8.
 IS 5834 (Part 3) : 1981
Reviewed In : 2019
Specification for electrical timber relays for industrial purposes Part 3 electronic
9.
 IS/IEC 60255-1 : 2009
IEC 60255-1 : 2009
Reviewed In : 2020
Measuring relays and protection equipment Part 1 common requirements
10.
 IS/IEC 60255-13 : 1980
IEC 60255-13 : 1980
Reviewed In : 2022
Electrical relays Part 13 biased Percentage differential relays
11.
 IS/IEC 60255-27 : 2013
IEC 60255-27 : 2013
Measuring Relays and Protection Equipment Part 27 Product Safety Requirements First Revision
12.
 IS/IEC 60255-121 : 2014
Measuring relays and protection equipment Part 121 functional requirements for distance protection
13.
 IS/IEC 60255-149 : 2013
IEC 60255-149 : 2013
Measuring Relays and Protection Equipment Part 149 Functional Requirements for Thermal Electrical Relays
14.
 IS/IEC 62246-1-1) : 2018
IEC 62246-1-1 : 2018
Reed Switches Part 1 Generic Specification Section 1 Blank detail specification First Revision
15.
 IS/IEC 62314 : 2006
IEC 62314 : 2006
Solid - State relays
16.
 IS 8714 : 1978
Reviewed In : 2016
Specification for electrical protective relays for use in seismic areas
17.
 IS 9994 : 1981
Reviewed In : 2016
Speclfication for potential relays for capacitor - Start capacitor - Run hermetic compressors