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Indian Standard Details

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Basic Details
IS Number : IS/IEC 60255-187-1:2021
IEC 60255-187-1: 2021
IS Title [Eng-Hn] : Measuring relays and protection equipment Part 187 Functional requirements for differential protection Section 1 Restrained and Unrestrained differential protection of motors, generators and transformers
No of Revision : 0
No of Amendments : 0
Technical Department : Electrotechnical Department
Technical Committee : ETD 35 ( Power Systems Relays )
Language : English

Classification Details
Group : Electrical Switchgear and Other Electrical Products/Accessories
Sub Group: Switchgear, Metering and Accessories
Sub Sub Group : Circuit breakers, switches and disconnectors
Aspects: Code of Practice
Certification:
Ministry : Ministry of Power
Short Commom Man's Title:
Itchs: N/A
Degree of Equivalence: Identical under single numbering
Identical/Equivalent Standards:IEC 60255-187-1: 2021
Organisation :

Cross Referencing Details
Indian Standards Refered In IS IS/IEC 60255 : Part 187 : Sec 1 : 2021 :
SNo IS Number Title Technical Committee
1
IS/IEC 60255 : Part 1 : 2009 Measuring relays and protection equipment: Part 1 common requirements ETD 35
2
IS 16227 : Part 2 : 2016 Instrument transformers: Part 2 additional requirements for current transformers ETD 34
3
IS 16227 : Part 9 : 2018 Instrument transformers: Part 9 digital interface for instrument transformers ETD 34
International Standards Refered In IS/IEC 60255 : Part 187 : Sec 1 : 2021 Standard contains no Cross Referenced International Standard.
IS/IEC 60255 : Part 187 : Sec 1 : 2021 is Refered in following Indian Standards : Standard contains no Cross Referenced Indian Standard.