Lightning arrester connected in a power system protect electrical equipment from
Lightning arrester connected in a power system protect electrical equipment from over-voltage due to indirect lightning stroke.
Lightning strikes can cause overvoltage transients in power systems that can damage or destroy electrical equipment.
Lightning arresters, also known as surge arresters, are designed to protect equipment from these overvoltage transients by diverting the surge current to ground.
Lightning arresters are typically installed at the entrance of a power system or at key locations where overvoltage transients are likely to occur, such as near transmission lines or distribution transformers.
When a lightning strike occurs, the arrester conducts the surge current to ground, preventing it from damaging the equipment.
It's worth noting that lightning arresters are designed to protect against overvoltage due to indirect lightning strokes, which are caused by lightning striking the ground near the power system.
Direct lightning strikes to power system equipment are rare and are typically prevented through the use of lightning protection systems that include lightning rods and grounding systems.