IEEE C37.38-1989
Withdrawn
IEEE Standard for Gas Insulated, Metal-Enclosed Disconnecting, Interrupter, and Grounding Switches
10-02-1989
10-17-2023
1 Scope and references
1.1 Scope
1.2 References
2 Definitions
3 Service conditions
3.1 Usual service conditions
3.2 Other conditions that may affect design and
application
3.3 Unusual service conditions
4 Equipment ratings
4.1 Voltage ratings
4.2 Rated continuous current (amperes rms)
4.3 Temperature limitations
4.4 Load current-carrying capability based on actual
ambient temperature conditions
4.5 Short-time load current carrying capability
4.6 Rated momentary current
4.7 Rated short-time current
4.8 Voltage rise of metallic enclosure
4.9 Gas
4.10 Control voltage
5 Disconnecting switches
5.1 Construction
5.2 Testing of disconnecting switches
5.3 Switch position indication
5.4 Operating mechanisms
5.5 Interlocking
6 Interrupter switches
6.1 Requirements
6.2 Interrupting ratings
7 Grounding switches
7.1 Types of grounding switches and devices
7.2 Testing of grounding switches
7.3 Switch position indication
7.4 Operating mechanisms
7.5 Interlocking
8 Supporting structures
9 Nameplates
9.1 Disconnecting switches
9.2 Interrupter switches
9.3 Maintenance grounding switches
9.4 Fault-closing maintenance grounding switches
9.5 Fault-initiating switches
Table
1 Voltage ratings for gas-insulated, metal-enclosed
disconnecting, interrupter, and grounding switches
at normal operating gas density
| Committee |
Switchgear
|
| DocumentType |
Standard
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Withdrawn
|
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