01457nam 2200349 450 99627956170331620231206190628.00-7381-0894-410.1109/IEEESTD.1989.94810(CKB)3780000000089278(NjHacI)993780000000089278(EXLCZ)99378000000008927820231206d1989 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierANSI/IEEE Std C37.90-1989 IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus /Institute of Electrical and Electronics EngineersNew York, New York :IEEE,1989.1 online resource (12 pages)Superseded by IEEE Std C37.90-2005 This standard applies to relay systems that protect and control apparatus that generate, and distribute and use electric power.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.ANSI/IEEE Std C37.90-1989: IEEE Standard for Relays and Relay Systems Associated With Electric Power ApparatusProtective relaysProtective relays.621.317NjHacINjHaclDOCUMENT996279561703316ANSI2072434UNISA