Page 81 - Electrical Equipment Handbook _ Troubleshooting and Maintenance
P. 81
TRANSFORMER COMPONENTS AND MAINTENANCE
4.10 CHAPTER FOUR
Top terminal
Expansion
chamber
Normal oil level
filler plug
Through-type
conductor
Top porcelain
Oil-impregnated
paper with foil
equalizers
Test tap bushing
1000-volt limit
Support flange
Bottom tube
Spring assembly
Bottom washer
Bottom terminal
FIGURE 4.5 Typical bushing construction.
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright © 2004 The McGraw-Hill Companies. All rights reserved.
Any use is subject to the Terms of Use as given at the website.
