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Lightning Arrester

Protective device used in electrical systems to safeguard equipment from transient voltage surges, including those caused by lightning strikes.

Lightning arresters are protective devices used in electrical systems to safeguard equipment from transient voltage surges, such as those caused by lightning strikes. These devices are designed to divert excessive voltage to the ground, preventing damage to electrical equipment and ensuring the safety and reliability of the power system. Lightning arresters are typically installed at strategic points in the electrical network, such as substations, transmission lines, and distribution systems, where they provide critical protection against voltage spikes. The core of a lightning arrester consists of a series of spark gaps or metal oxide varistors (MOVs) that respond quickly to overvoltages, conducting the surge to the ground and restoring normal voltage levels. By protecting electrical equipment from transient surges, lightning arresters help prevent costly damage, downtime, and potential safety hazards. They are an essential component in maintaining the integrity and continuity of electrical power systems, ensuring that critical infrastructure remains operational even during severe weather conditions.