APPLICATION, OPERATION, AND MAINTENANCE OF HIGH-VOLTAGE FUSES, DISTRIBUTION ENCLOSED SINGLE-POLE AIR SWITCHES, FUSE DISCONNECTING SWITCHES, AND ACCESSORIES
Institute of Electrical & Electronics Engineers
1 Overview
1.1 Scope
1.2 Background
1.3 Description of fuse-enclosure packages (FEPs) using
expulsion-type indoor power class fuses
1.4 Description of FEPs using current-limiting type indoor
distribution and power class fuses
2 References
3 Abbreviations
4 General application guidelines for all fuse types
4.1 Introduction
4.2 Service conditions
4.3 Selection of class and type of fuse
4.4 Clearances and spacing
4.5 Fuse position
4.6 Noise level
4.7 Selection of fuse voltage rating
4.8 Selection of continuous current rating (all applications
except capacitor fuses and fuses used in enclosures)
4.9 Selection of interrupting rating
4.10 Fuse-to-fuse coordination procedure
4.11 Coordination for motor starter fuses (motor protection)
4.12 Effects of ambient temperature on a fuse
5 Additional application guidelines for specific devices
5.1 Current-limiting fuses
5.2 Current-limiting fuses used in fuse enclosure packages
5.3 Expulsion fuses in enclosures
5.4 External fuses for shunt capacitors
6 Operation guidelines for various fuse types
6.1 Use of nonexpendable cap on expendable-cap cutouts
6.2 Operating speed
6.3 Locking or latching of fuses, blades, or links in closed
position
6.4 Fuseholder position
6.5 Voltage withstand of blown fuses
6.6 Replacement and handling of fuses
6.7 Replacement of exhaust control device
6.8 Operation of energized fuses
6.9 Storing spare fuse units and replaceable parts
7 Additional operation guidelines for specific devices
7.1 Capacitor
7.2 Liquid-submerged expulsion fuses in enclosures
8 Maintenance for all fuse types
8.1 Safety precautions
8.2 Frequency of maintenance
8.3 Inspection of fuse or switching device
8.4 Inspection of fuse links in distribution cutouts
9 Additional maintenance guidelines for specific devices
9.1 Capacitor fuses
9.2 Liquid-submerged expulsion fuses in enclosures
Annex A (informative) Bibliography
Describes information on the application, operation, and maintenance of high-voltage fuses (above 1000 V), distribution enclosed single-pole air switches, fuse disconnecting switches, and accessories for use on ac distribution systems. Devices with rated maximum voltages to 169 kV are covered.
| Document Type | Standard |
| Status | Current |
| Publisher | Institute of Electrical & Electronics Engineers |
| Supersedes |
|
