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Historical
IEEE C37.90-2005 (R2011)
IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
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.
CONTENT PROVIDER
Institute of Electrical and Electronics Engineers [ieee]
Institute of Electrical and Electronics Engineers [ieee]