Influence of Corona Discharge on Electric Power Supply Parameters

The chapter considers corona discharge as one of the factors of changes in electric power supply quality parameters. It is shown that corona discharge results not only in non-short losses of electric energy but it interferes with the transmission of high-frequency signals, disturbs isolation elements, can become a source of conditions for arcing diode occurrence, and is one of the factors of change in continuity. The analysis of the literature shows that the corona discharge exists under normal modes of operation of the system, and its intensity depends on the parameters of power supply systems, as well as on external factors, such as rain, snow, frost, fog, hoarfrost. Attention is paid to the correlation between the corona discharge and the deterioration of quality indicators of power supply.