High voltage capability electrical coils insulated with materials containing SF.sub.6 gas
Patent
·
OSTI ID:866624
- Muncie, IN
- Penn Township, Allegheny County, PA
- Acme, PA
A coil is made having a plurality of layers of adjacent metal conductor windings subject to voltage stress, where the windings have insulation therebetween containing a small number of minute disposed throughout its cross-section, where the voids are voids filled with SF.sub.6 gas to substitute for air or other gaseous materials in from about 60% to about 95% of the cross-sectional void volume in the insulation, thus incorporating an amount of SF.sub.6 gas in the cross-section of the insulation effective to substantially increase corona inception voltages.
- DOE Contract Number:
- ET-78-R-01-3007
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4751488
- OSTI ID:
- 866624
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
voltage
capability
electrical
coils
insulated
materials
containing
sf
gas
coil
plurality
layers
adjacent
metal
conductor
windings
subject
stress
insulation
therebetween
minute
disposed
throughout
cross-section
voids
filled
substitute
air
gaseous
60
95
cross-sectional
void
volume
incorporating
amount
effective
substantially
increase
corona
inception
voltages
adjacent metal
void volume
materials containing
metal conductor
gaseous material
substantially increase
electrical coils
corona inception
voltage capability
insulation therebetween
inception voltage
gaseous materials
metal conduct
electrical coil
/336/264/
capability
electrical
coils
insulated
materials
containing
sf
gas
coil
plurality
layers
adjacent
metal
conductor
windings
subject
stress
insulation
therebetween
minute
disposed
throughout
cross-section
voids
filled
substitute
air
gaseous
60
95
cross-sectional
void
volume
incorporating
amount
effective
substantially
increase
corona
inception
voltages
adjacent metal
void volume
materials containing
metal conductor
gaseous material
substantially increase
electrical coils
corona inception
voltage capability
insulation therebetween
inception voltage
gaseous materials
metal conduct
electrical coil
/336/264/