IEEE C37.90-1989 - IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
Standard Details
Superseded by IEEE Std C37.90-2005. This standard applies to relay systems that protect and control apparatus that generate, and distribute and use electric power. This standard defines service conditions and specifies relay performance requirements and performance information that relay manufacturers shall provide.
Sponsor Committee
Superseded by
Board Approval
Working Group Details