Abstract
This paper presents an insulated cable system for transmitting bulk power in residential areas, when overhead transmission lines are not acceptable and underground cable costs are excessive. Design and installation of a 69-kv high-pressure gas-filled aluminum-sheath aerial cable with mechanical joints and unique ventilated risers are described. Simulated field tests have been conducted to enable realization of the full ampacity potential of the cable, and operating data have verified the ampacity approach employed. The paper has been prepared essentially in two parts: Part I is concerned with the cable, its accessories, and installation procedures; Part II presents field observations related to the ampacity of aluminum-sheathed aerial cables.
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