H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/19, 337/7
H01B 9/06 (2006.01) H02G 5/06 (2006.01)
Patent
CA 1177918
13 49,186 ABSTRACT OF THE DISCLOSURE A gas insulated transmission line includes an outer sheath, an inner conductor 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 dielec- tric 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 plural- ity of voltage-time steps, with the voltage-time steps increasing in voltage magnitude while decreasing in time duration.
389107
Cookson Alan H.
Dale Steinar J.
Oldham And Company
Westinghouse Electric Corporation
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