Abstract

This paper is dealing with the environmental effects of extra high voltage transmission lines. A comprehensive view about the frequency spectrum and the attenuation law of radio interference and limit for good weather are given. The audible noise measurements comprise the whole audible frequency range. The analises were made by octave and by narrow band filtering. The problem of measurement of electric field strength and results of tests carried out beneath EHV lines and in substation are reported. The currents induced in humans and vehicles are determined.

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