Hybrid particle traps and conditioning procedure for gas insulated transmission lines
Patent
·
OSTI ID:864214
- Monroeville, PA
- Churchill, PA
A gas insulated transmission line includes an outer sheath, an inner condor within the outer sheath, insulating supports supporting the inner conductor within the outer sheath, and an insulating gas electrically insulating the inner conductor from the outer sheath. An apertured particle trapping ring is disposed within the outer sheath, and the trapping ring has a pair of dielectric members secured at each longitudinal end thereof, with the dielectric members extending outwardly from the trapping ring along an arc. A support sheet having an adhesive coating thereon is secured to the trapping ring and disposed on the outer sheath within the low field region formed between the trapping ring and the outer sheath. A conditioning method used to condition the transmission line prior to activation in service comprises applying an AC voltage to the inner conductor in a plurality of voltage-time steps, with the voltage-time steps increasing in voltage magnitude while decreasing in time duration.
- Research Organization:
- Westinghouse Electric Corp
- DOE Contract Number:
- ET-78-C-01-3029
- Assignee:
- United States of America as represented by Department of Energy (Washington, DC)
- Patent Number(s):
- US 4330682
- OSTI ID:
- 864214
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/174/134/361/
activation
adhesive
apertured
applying
coating
coating thereon
comprises
comprises applying
condition
conditioning
condor
conductor
decreasing
dielectric
disposed
duration
electrically
electrically insulating
extending
extending outwardly
field
field region
formed
gas
gas electrically
gas insulated
hybrid
increasing
inner
inner conductor
insulated
insulated transmission
insulating
insulating gas
insulating support
insulating supports
line
lines
longitudinal
magnitude
method
outer
outer sheath
outwardly
pair
particle
particle trap
particle trapping
particle traps
plurality
prior
procedure
region
region formed
secured
service
sheath
sheet
steps
support
supporting
supports
supports supporting
thereon
time
time duration
transmission
transmission line
transmission lines
trapping
traps
voltage
voltage-time
activation
adhesive
apertured
applying
coating
coating thereon
comprises
comprises applying
condition
conditioning
condor
conductor
decreasing
dielectric
disposed
duration
electrically
electrically insulating
extending
extending outwardly
field
field region
formed
gas
gas electrically
gas insulated
hybrid
increasing
inner
inner conductor
insulated
insulated transmission
insulating
insulating gas
insulating support
insulating supports
line
lines
longitudinal
magnitude
method
outer
outer sheath
outwardly
pair
particle
particle trap
particle trapping
particle traps
plurality
prior
procedure
region
region formed
secured
service
sheath
sheet
steps
support
supporting
supports
supports supporting
thereon
time
time duration
transmission
transmission line
transmission lines
trapping
traps
voltage
voltage-time