Abstract

With the development and application of ultra high voltage electric power transmitting technology, harmful effects of corona discharges to the safe and stable operation of the ultra high voltage (UHV) transmission lines should be considered. In this paper, the radiation law of corona discharges was studied by theoretical analysis and laboratory simulation. Correlated conclusions include that the waveform of corona discharges is in attenuated oscillation mode, the signal of the radiation field increases with increasing charging voltage, whereas the signal amplitude the antenna receives is attenuated with the distance from 3 m to 24 m.

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