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Surge Protection Devices — Types | Role | Importance


With the expansion of electric power in today's world, electrical power systems are exposed to many critical conditions like overvoltages and voltage surges due to lightning strikes or abrupt switching conditions. The main concern is the overvoltage condition which can cause major damage to the system's equipment. Therefore, it is necessary to install a device that guarantees protection from the condition where over or under-voltage occurs.

A surge protector is a protective device that is connected to protect a system against overvoltage. It is the component of the electrical protection system and is used to protect equipment in power transmission and distribution systems. These devices, in general, protect the electrical equipment against voltage transients. 

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