Cable-to-air terminations: The cable system's second weakest link

Journal Article · Thu Dec 01 04:00:00 EST 1994 · Electrical World; (United States)

OSTI ID:6671846

Reason, J

Transmission terminations available today are very reliable, but they need to be. In the field, they are continually exposed to pollution and extremes of ambient temperature. In many cases, they are in the rifle sights of vandals. In contrast, cable joints - often cited as the weakest links from an electrical viewpoint - are generally protected from physical damage underground and many of the short cable systems being installed in the US today can be built without joints. All cable systems need terminations - mostly to air-insulated equipment. At 69 through 138 kV, there is intense competition among manufacturers to supply terminations for solid-dielectric cable that are low in cost, reliable, and require a minimum of skill to install. Some utilities are looking also for terminations that fit a range of cable sizes; terminations that do not contain liquid that can leak out; and terminations that are shatter-proof. All of these improvements are available in the US up to 69 kV. For higher voltages, they are on the horizon, if not already in use, overseas. 16 figs.

• OSTI ID: 6671846
• Journal Information: Electrical World; (United States), Journal Name: Electrical World; (United States) Vol. 208:12; ISSN 0013-4457; ISSN ELWOA3
• Country of Publication: United States
• Language: English

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