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IEEE C37.90

Relays and Relay Systems Associated with Electric Power Apparatus

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Organization: IEEE
Publication Date: 22 September 2005
Status: active
Page Count: 29
scope:

This standard specifies standard service conditions, standard ratings, performance requirements, and testing requirements for relays and relay systems used to protect and control power apparatus. A relay system may include computer interface equipment and/or communications interface equipment, such as a carrier transmitter/receiver or audio tone equipment. It does not cover relays designed primarily for industrial control, for switching communication or other low-level signals, or any other equipment not intended for control of power apparatus.

Purpose

The purpose of this standard is to establish a common reproducible basis for designing and evaluating relays and relay systems.

Document History

IEEE C37.90
September 22, 2005
Relays and Relay Systems Associated with Electric Power Apparatus
This standard specifies standard service conditions, standard ratings, performance requirements, and testing requirements for relays and relay systems used to protect and control power apparatus. A...
September 22, 2005
Standard for Relays and Relay Systems Associated with Electric Power Apparatus
This standard specifies standard service conditions, standard ratings, performance requirements, and testing requirements for relays and relay systems used to protect and control power apparatus. A...
January 1, 1989
Standard for Relays and Relay Systems Associated with Electric Power Apparatus
This standard applies only to relays and relay systems used to protect and control power apparatus. It does not cover relays designed primarily for industrial control, for switching communication or...
August 15, 1978
relays an'd relay systems associated with electric power apparatus
This standard applies only to relays and relay systems used to control power switchgear. It does not cover relays of types designed primarily for industrial control, for switching of communication or...
August 15, 1978
RELAYS AND RELAY SYSTEMS ASSOCIATED WITH ELECTRIC POWER APPARATUS (R 1982)
This standard applies only to relays and relay systems used to protect and control power apparatus. It does not cover relays designed primarily for industrial control, for switching communication or...

References

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