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IEEE C37.32 Document Information:
Title
High-Voltage Switches, Bus Supports and Accessories Schedule of Preferred Ratings, Construction Guidelines and Specifications
The Institute of Electrical and Electronics Engineers, Inc.
Publication Date:
Mar 20, 2002
Scope:
The purpose of this revision is to bring the standard up-to-date and in line with present-day requirements. The standard is coordinated with the other American National Standards in the field of high-voltage switches:
ANSI/IEEE C37.30, Standard Requirements for High-Voltage Air Switches
IEEE C37.34, Test Code for High-Voltage Air Switches
ANSI/IEEE C37.35, Guide for the Application, Installation, Operation, and Maintenance of High-Voltage Air Disconnecting and Load Interrupter Switches
ANSI/IEEE C37.36b, Guide to Current Interruption with Horn Gap Air Switches
ANSI/IEEE C37.37, Loading Guide for AC High-Voltage Air Switches
IEEE 1247, Standard for Interrupter Switches for Alternating Current, Rated above 1000 Volts
This revision modifies the document title to allow for future inclusion of other types of High-Voltage Switches and to harmonize with the direction of the C37.30 series of standards.
This revision includes the changing of the station, distribution and indoor voltage ratings of 8.25 kV, 15.0 kV and 25.8 kV to 8.3 kV, 15.5 kV and 27 kV respectively to harmonize voltage ratings between equipment classes.
Station class voltage ratings of 121 kV, 169 kV and 242 kV have been changed to 123 kV, 170 kV and 245 kV respectively to harmonize with AC High Voltage Circuit Breakers C37.06-2000 and IEC.
Metrification of the document has continued by placing the metric equivalents first in the text and tables while retaining the inch - pound system in parentheses.
Circuit switchers are excluded from this standard.
The annexes are for information only and are not considered a part of the standard.
Suggestions for the improvement of this standard will be welcome. They should be sent to the National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1847, Rosslyn, VA 22209.
This standard provides the schedules of preferred ratings and construction specifications for high-voltage disconnect, interrupter, fault initiating, and grounding switches rated above 1000 volts. Switch operator control voltage ranges (formerly C37.33), bus supports and accessories are also covered by this standard. Switches included in C37.20.2, C37.20.3, C37.20.4, C37.71, C37.72 and C37.73 are not covered by this standard.
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