IEEE C37.20.2 Standard for Metal-Clad Switchgear
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IEEE C37.20.2 Document Information:
Title
Standard for Metal-Clad Switchgear
The Institute of Electrical and Electronics Engineers, Inc.
Publication Date:
Oct 1, 1999
Scope:
This standard covers metal-clad (MC) switchgear containing, but not limited to, devices such as power circuit breakers, other interrupting devices, switches, control, instrumentation and metering, and protective and regulating equipment. It includes, but is not specifically limited to, equipment for the control and protection of apparatus used for power generation, conversion, and transmission and distribution.
This standard is concerned with enclosed, rather than open, indoor and outdoor switchgear assemblies rated above 1000 V ac. Included is equipment that is part of primary and secondary unit substations. Gas insulated substation equipment is not included.
Keywords:
- control
- cumulative loading
- current transformers
- drawout
- indoor
- instrumentation
- load current-carrying
- metal-clad (MC) switchgear
- metal-enclosed (ME) power switchgear
- outdoor
- protection
- qualifying terms
- switchgear assemblies
- transformer accuracy
- voltage transformers
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