@eng.yazid: Corona electrical refers to corona discharge, a phenomenon where high voltage ionizes air around a conductor, causing a visible glow, hissing sound, and energy loss, often seen on power lines and high-voltage equipment, resulting from intense electric fields at sharp points or small diameters, which can degrade insulation and cause radio interference. This partial discharge creates ozone, wastes power, and is mitigated by increasing conductor size, spacing, or using corona rings

Eng.Yazid alshehri

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Tuesday 30 December 2025 13:05:55 GMT