Service conditions, electrical ratings, thermal ratings, and testing requirements are defined for relays and relay systems used to protect and control power apparatus. This standard establishes a common reproducible basis for designing and evaluating relays and relay systems.
- Sponsor Committee
- PE/PSRCC - Power System Relaying and Control
- Status
- Inactive-Reserved Standard
- PAR Approval
- 2002-03-21
- Superseding
- C37.90-1989
- Board Approval
- 2005-09-22
- History
-
- ANSI Approved:
- 2012-05-23
- Published:
- 2006-01-31
- Reaffirmed:
- 2011-03-31
- Inactivated Date:
- 2022-03-24
Working Group Details
- Society
- IEEE Power and Energy Society
- Sponsor Committee
- PE/PSRCC - Power System Relaying and Control
- Working Group
-
C37.90_WG-I6 - Relay Electrical Power Apparatus Working Group
- IEEE Program Manager
- Malia Zaman
Contact Malia Zaman
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