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Title: Atmospheric icing of transmission lines
Authors: Henry, Karen S.
Keywords: Ice
Ice control
Ice prevention
Atmospheric icing
Transmission Lines
Electric power lines
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Description: Cold Regions Technical Digest
Introduction: In recent years the damaging effect of atmospheric icing on transmission lines has become an increasingly important issue. As we become more dependent on reliable energy and communications, even in remote areas, transmission line failure is a costly inconvenience at the very least, and it can threaten human life. At the same time, it is desirable to minimize construction and maintenance costs. These circumstances have led to more research into the causes of atmospheric icing and its effects on transmission lines. In the last several years significant progress has been made in our understanding of the problem. One of the most important developments has been an increased understanding of the combined effect of the wind and the shape of an ice accretion on the loads exerted on a conductor. Also, more is known about conditions under which line vibrations, or galloping, occur. Computer models can now estimate the effect of atmospheric conditions on icing. This digest is intended primarily for the technical person who is unfamiliar with atmospheric icing on transmission lines. It is a synthesis of information from the Proceedings of the First International Workshop on the Atmospheric Icing of Structures (Minsk 1983), which features many presentations dealing with transmission line icing. Other references are also cited throughout the report.
Appears in Collections:Cold Regions Technical Digest

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