Conference,

UHV TRANSMISSION LINE EXTRA COSTS REQUIRED FOR THE RliOUCTION OF ENVIRONMENTAL INTERFERENCES

, , , and .
(1981)

Abstract

The report is aimed at assessing the relationship between technical design parameters and environmental interference levels of a transmission line, and at quantifying this relationship in terms of investment and ope~ation extra costs required to reduce each major interference. Line costs and dimensions are optimized in relation to interference parameters: for each given set of interference values, the study determines the characteristics of the minimum cost line design,out of the many possible line configurations producing the same environmental impact. An analysis of the extra-costs required to lower audible noise and electric field at ground, in the case of a UHV line adopting the non conventional "circus" tower, is reported, together with a discussion of the results.

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