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what is Lighting Arrester ?

A lightning arresters is a device used to protect electrical systems and structures from the damaging effects of lightning strikes. It diverts high voltage and current surges safely into the ground, preventing fire hazards and electrical damage. Lightning arresters are installed at key points to intercept and redirect lightning-induced surges, safeguarding equipment and structures.

Types of Lightning Arrester

Pure Copper LIGHTNING Arresters
Copper – Bonded Lightning Arresters
ESE Lightning Arresters

Features of Lightning Arresters

Diversion of Lightning Currents :

Lightning arrestors provide a path of least resistance for lightning currents, directing them away from structures and equipment to minimize damage and protect against electrical surges.

Fast Response Time :

Lightning arrestors respond quickly to the high-voltage transients of a lightning strike, ensuring prompt diversion of the lightning current to the ground.

High Voltage Withstand Capability :

Lightning arrestors are designed to handle high voltages associated with lightning strikes, safely conducting the current to the ground and protecting connected systems.

Durability and Weather Resistance :

Lightning arrestors are constructed with materials that can withstand harsh weather conditions, ensuring long-term performance and reliability.

Earthing for lightning arresters

This earthing protects our belongings, buildings and human life from natural disasters called lightning we fix equipment at the top of our building which will be connected with the down conductor up to the earth pit. This down conductor takes the negative energy up to the lightning arrester which receives lightning and discharges the same into the ground safely.

Uses of Lightning Arresters

Building Protection :

Lightning arrestors are vital for protecting buildings and structures from lightning strikes. They create a safe path for lightning currents, minimizing the risks of fire, structural damage, and electrical surges.

Electrical Equipment Protection:

Lightning arrestors are also essential for safeguarding sensitive electrical equipment like computers and telecommunications systems.

Power Transmission and Distribution Systems :

Lightning arrestors protect buildings and structures from lightning strikes, ensuring safety for occupants. They safeguard sensitive electrical equipment, preventing damage and maintaining proper functioning.

Frequently Asked Questions

How does a lightning arrestor work?

A lightning arrestor works by providing a low-resistance path for lightning currents to follow. It diverts the current away from structures and equipment, allowing it to safely dissipate into the ground.

Where should lightning arrestors be installed?

Lightning arrestors should be installed at the highest point of a structure or at key points within electrical systems to intercept and redirect lightning currents away from vulnerable areas.

Are lightning arrestors effective in preventing lightning damage?

Lightning arrestors are designed to minimize the damage caused by lightning strikes. While they cannot prevent lightning strikes from occurring, they redirect the lightning current away from critical areas, reducing the risk of damage to structures and equipment.

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Do lightning arrestors require maintenance?

Lightning arrestors generally require minimal maintenance. However, periodic inspections and testing are recommended to ensure their proper functioning and to identify any signs of damage or degradation.