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Self-monitoring high voltage transmission line suspension insulator

Patent ·
OSTI ID:863995
 [1];  [1]
  1. Vancouver, WA
+ Show Author Affiliations
A high voltage transmission line suspension insulator (18 or 22) which monitors its own dielectric integrity. A dielectric rod (10) has one larger diameter end fitting attachable to a transmission line and another larger diameter end fitting attachable to a support tower. The rod is enclosed in a dielectric tube (14) which is hermetically sealed to the rod's end fittings such that a liquidtight space (20) is formed between the rod and the tube. A pressurized dielectric liquid is placed within that space. A discoloring dye placed within this space is used to detect the loss of the pressurized liquid.
Research Organization:
BPA
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4291193
OSTI ID:
863995
Country of Publication:
United States
Language:
English

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Related Subjects

/174/73/116/
10
14
18
20
22
attachable
detect
diameter
dielectric
dielectric liquid
dielectric rod
dielectric tube
discoloring
dye
enclosed
fitting
fittings
formed
hermetically
hermetically seal
hermetically sealed
insulator
integrity
larger
larger diameter
line
line suspension
liquid
liquidtight
loss
monitors
placed
pressurized
pressurized liquid
rod
sealed
self-monitoring
space
support
support tower
suspension
suspension insulator
tower
transmission
transmission line
tube
voltage
voltage transmission