High Voltage Power Line 500 kV Circuit Switcher
Recently a California utility had some
trouble de-energizing the line reactors on a 500 kV line. Test and maintenance personnel
checked the switchers used to de-energize these units and found everything within specifications.
They then attempted to de-energize the line reactors and found one phase continued to
have a problem.
Here are some photos and a very
impressive movie of the 500 kV circuit switcher showing a test and one phase arcing.
with sound of the actual test
Copyright © 2002 Mike Holt Enterprises,Inc.