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IEEE C37.105-2024

IEEE Standard for Qualifying Class 1E Protective Relays and Auxiliaries for Nuclear Power Generating Stations and Nuclear Facilities

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IEEE C37.105-2024

IEEE Standard for Qualifying Class 1E Protective Relays and Auxiliaries for Nuclear Power Generating Stations and Nuclear Facilities

PUBLISH DATE 2025

PAGES 34

IEEE C37.105-2024

Document Information

Revision Standard - Active. Basic principles, requirements, and methods for qualifying Class 1E protective relays and auxiliaries in nuclear power generating stations, including digital and analog devices, but excluding devices located inside the primary containment, are covered in this standard.

This standard covers the qualification of Class 1E protective relays and auxiliaries to be used outside the primary containment in nuclear power generating stations and other nuclear facilities. Protective relays and auxiliaries located inside the primary containment in a nuclear power generating station present special conditions beyond the scope of this document.

This standard: a) Defines specific qualification methods for Class 1E protective relays and auxiliaries in accordance with the more general qualification requirements of IEC/IEEE 60780-323. b) Provides guidance in establishing a program for demonstrating the design adequacy of Class 1E protective relays and auxiliaries in nuclear power generating stations and other nuclear facilities.


SDO	IEEE: Institute of Electrical and Electronics Engineers
Document Number	C37.105
Publication Date	Jan. 8, 2025
Language	en - English
Page Count	34
Revision Level
Supercedes
Committee	Nuclear Power Engineering Committee

Publish Date	Document Id	Type
Jan. 8, 2025	C37.105-2024	Revision
Oct. 29, 2010	C37.105-2010	Revision
June 26, 1999	C37.105-1987	Revision

SDO	Document	Title
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IEEE	IEEE 572	IEEE Standard for Qualification of Class 1E Connection Assemblies for Nuclear Power Generating Stations and Other Nuclear Facilities
IEEE	IEEE 649	IEEE Standard for Qualifying Class 1E Motor Control Centers for Nuclear Power Generating Stations
IEEE	IEEE 741	IEEE Standard for Criteria for the Protection of Class 1E Power Systems and Equipment in Nuclear Power Generating Stations
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IEEE	IEEE 638	IEEE Standard for Qualification of Class 1E Transformers for Nuclear Power Generating Stations
IEEE	IEEE 535	IEEE Standard for Qualification of Class 1E Lead Storage Batteries for Nuclear Power Generating Stations
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IEEE C37.105-2024

IEEE Standard for Qualifying Class 1E Protective Relays and Auxiliaries for Nuclear Power Generating Stations and Nuclear Facilities

IEEE C37.105-2024

Document Information

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