Particle trap for compressed gas insulated transmission systems
Abstract
A particle trap is provided for gas insulated transmission lines having a central high voltage conductor supported within an outer coaxial conductive sheath by a dielectric support member. A cavity between the inner conductor and outer sheath is filled with a dielectric insulating gas. A cone-like particle deflector, mounted to the inner conductor, deflects moving particles away from the support member, to radially outer portions of the cavity. A conductive shield is disposed adjacent the outer sheath to form a field-free region in radially outer portions of the cavity, between the shield and the sheath. Particles traveling along the cavity are deflected by the cone-like deflector into the field-free region where they are held immobile. In a vertical embodiment, particles enter the field-free region through an upper end of a gap formed between shield and sheath members. In a horizontal embodiment, the deflector cone has a base which is terminated radially internally of the shield. Apertures in the shield located adjacent the deflector allow passage of deflected particles into the field-free region. The dielectric support member is thereby protected from contaminating particles that may otherwise come to rest thereon.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 6172223
- Application Number:
- ON: TI85005779
- Assignee:
- Dept. of Energy EDB-85-039210
- DOE Contract Number:
- AC01-78ET29336
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; GAS-INSULATED CABLES; DESIGN; TRAPS; PARTICLES; CABLES; CONDUCTOR DEVICES; ELECTRIC CABLES; ELECTRICAL EQUIPMENT; EQUIPMENT; 420800* - Engineering- Electronic Circuits & Devices- (-1989)
Citation Formats
Cookson, A.H. Particle trap for compressed gas insulated transmission systems. United States: N. p., 1984.
Web.
Cookson, A.H. Particle trap for compressed gas insulated transmission systems. United States.
Cookson, A.H. Thu .
"Particle trap for compressed gas insulated transmission systems". United States.
@article{osti_6172223,
title = {Particle trap for compressed gas insulated transmission systems},
author = {Cookson, A.H.},
abstractNote = {A particle trap is provided for gas insulated transmission lines having a central high voltage conductor supported within an outer coaxial conductive sheath by a dielectric support member. A cavity between the inner conductor and outer sheath is filled with a dielectric insulating gas. A cone-like particle deflector, mounted to the inner conductor, deflects moving particles away from the support member, to radially outer portions of the cavity. A conductive shield is disposed adjacent the outer sheath to form a field-free region in radially outer portions of the cavity, between the shield and the sheath. Particles traveling along the cavity are deflected by the cone-like deflector into the field-free region where they are held immobile. In a vertical embodiment, particles enter the field-free region through an upper end of a gap formed between shield and sheath members. In a horizontal embodiment, the deflector cone has a base which is terminated radially internally of the shield. Apertures in the shield located adjacent the deflector allow passage of deflected particles into the field-free region. The dielectric support member is thereby protected from contaminating particles that may otherwise come to rest thereon.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1984},
month = {4}
}