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Technical, economical and environmental aspects of compact overhead lines.

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Abstract

This report consideres the influences of electrical and mechanical parameters on the construction of compact overhead lines. The effects on erection and transmission cost aswell as the impact on the environment due to electric and magnetic fields, radio interference and audible noise are investigated. Design and visibility of the adopted line constructions are evaluated by special computer programme. For 110 kV and 380 kV lines tower configurations and values for span lengths are found, which form an optimum in construction cost and visibility. In populated areas, however, the other environmental impacts may prevent the application of such an optimum design.

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