What is crona discharge?

Corona discharge is a process in which ionization of a fluid (usually air) occurs due to a high electric field around a conductor, leading to a partial discharge of electrical energy. This phenomenon typically happens when the electric field strength exceeds a certain threshold, causing air molecules to become ionized and allowing current to flow. It is often observed as a faint glow around high-voltage equipment and can lead to energy loss and degradation of insulation materials. Additionally, corona discharge can produce ozone and other reactive species, which may have environmental implications.