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RECENT RESULTS FROM CORONA EFFECT STUDIES AND EXPERIMENTAL INVESTIGATIONS AT THE EHV TEST STATION AT ANNEBERG

, and . (1981)

Abstract

Corona noise reduction by the use of non-regular bundle conductors for EHV transmission lines is discussed in this paper. Experimental results from tests on two different asymmetric conductors are presented. Long term corona performance tests have been carried out on a four-cable conductor for a planned Swedish 800 kV system. Results from radio interference and audible noise measurements on the single-phase test line are presented, along with computed noise levels for the three-phase line.

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