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IEEE C37.122-1993

Historical Revision

IEEE Standard for High Voltage Gas-Insulated Substations Rated Above 52 kV

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Revision Standard - Superseded. Guidance in the application of relays and relaying schemes for protection against stator ground faults on high-impedance grounded generators is provided.
This standard establishes ratings and requirements for planning, design, testing, installation, and operation of gasinsulated substations (GIS) for alternating-current applications for voltages from 72.5 to 800 kV. Typical installations are assemblies of specialized devices such as circuit breakers, switches, bushings, buses, instrumentation, and the gasinsulating system. It does not include certain items that may be directly connected to gas-insulated substations, such as power transformers and protective relaying.
Update and expand existing C37.122-1983. Separate standards and guides in two distinct documents.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C37.122
Publication Date Nov. 30, 1993
Language en - English
Page Count 160
Revision Level
Supercedes
Committee Substations Committee
Publish Date Document Id Type View
Aug. 25, 2021 C37.122-2021 Revision
Jan. 21, 2011 C37.122-2010 Revision
Nov. 30, 1993 C37.122-1993 Revision
Sept. 19, 1988 C37.122-1983 Revision