Lightning protection involves using technical measures and systems to protect people, property, and infrastructure from the harmful effects of lightning.
This system helps minimize the risk of damage caused by direct lightning strikes or induced surges.
Lightning protection does not mean preventing lightning from occurring or eliminating it, as it is a natural phenomenon.
Therefore, we must understand that lightning protection is an activity aimed at mitigating the direct or indirect impact of lightning to ensure the safety of people, property, and infrastructure
"Lightning protection" is implemented by investing in suitable lightning protection systems, which not only protect people and animals but also safeguard electronic devices, buildings, and other structures from the risk of fire and damage.
An effective system must ensure that the energy from lightning events is safely conducted to the ground.
Understanding the nature of lightning and its operation is fundamental to correctly assessing the importance of suitable lightning protection systems.
Lightning is a natural phenomenon that occurs when there is an electrical discharge between clouds or between a cloud and the ground, usually accompanied by flashes of light and thunder. It is a sudden electrostatic discharge that can carry immense amounts of energy.
Lightning forms from the voltage difference between clouds with opposite charges or between clouds and the ground. When this voltage becomes large enough, the air is ionized and conducts electricity, creating a flash of lightning and the sound of thunder.
Xem thêm: Sét là gì, sét tác động như thế nào ?
Lightning strikes can cause death or serious injury. Each year, thousands of people worldwide are injured or killed by lightning.
The high voltage and current from a lightning strike can cause severe burns, cardiac arrest, and neurological damage.
Lightning can cause fires, destroy electronic devices, and result in substantial property damage. Homes, high-rise buildings, and infrastructure can suffer severe damage when struck.
Fires caused by lightning can spread quickly, leading to significant property loss.
Lightning can cause forest fires, damage electrical and telecommunications systems, and affect the stability of the natural environment. Forest fires caused by lightning can destroy ecosystems, leading to the loss of wildlife and vegetation.
Lightning can cause severe harm to animals and livestock, ranging from direct death to serious injury.
Given the significant harm caused by lightning, understanding the reasons why lightning protection systems are necessary is essential. So, why do we need lightning protection?
These systems help reduce the risk of injury or death from lightning strikes. By providing a controlled path for the electrical energy, lightning protection systems prevent direct strikes to humans, reducing the risk of serious injury or death.
Lightning protection systems help safeguard electrical systems, electronic devices, homes, buildings, and other infrastructure like airports, telecommunication systems, and fuel storage facilities from the risk of fire and damage.
A properly installed system must ensure that the electrical discharge from clouds is safely conducted to the ground, preventing structural damage and fires.
Lightning protection helps prevent forest fires, explosions in fuel storage facilities, and maintains the stability of the natural environment, contributing to the protection of ecosystems and minimizing environmental impact.
Lightning protection ensures the safety of livestock and animals being raised, while also protecting equipment and infrastructure in animal housing facilities from damage.
To effectively protect against lightning, appropriate methods or techniques must be used for each different entity.
External lightning protection, also known as direct lightning protection, prevents lightning from striking objects needing protection outdoors. The electrical discharge is delayed or only discharged to controlled points, with the energy safely conducted to the ground.
Depending on the structure's characteristics, importance, or flammability, appropriate methods must be selected.
Compliance with standards, use of quality assured products, and execution by professional lightning protection companies are crucial.
Xem thêm: Cột thu lôi chống sét - cấu tạo, tác dụng và nguyên lý hoạt động
Internal lightning protection, also known as surge protection, prevents the indirect impact of a direct lightning strike outside from affecting electrical devices inside a building.
When lightning strikes a lightning rod, power lines, telephone lines, trees, or the ground, it creates voltage surges that can enter electronic devices, causing circuit damage or even dangerous fires.
Therefore, surge protection devices must be used to block and divert these high voltage surges to the ground, ensuring the safety of electronic equipment.
Surge protection must be implemented thoroughly, following technical standards, using high-quality products that have been tested, and provided by reputable lightning protection companies.
Grounding involves connecting objects to the ground using metal wires from lightning rods, electrical devices, and structural parts of a building to the grounding system. The grounding system includes rods and connecting wires.
The grounding system must comply with electrical safety requirements, and the ground resistance must meet regulatory standards. Particularly, it must comply with environmental requirements.
Lightning protection is an essential part of protecting humans, property, and the environment. Installing these systems helps minimize the risks and damage caused by lightning. Understanding the technical requirements and functions of these systems is crucial for effective implementation.
To ensure safety, systems must be installed according to current technical standards and regularly maintained.
Periodic inspections and maintenance are essential to ensure all components of the lightning protection system function correctly and provide the intended protection.
Lightning protection systems are crucial in safeguarding people, property, and the environment from the damage caused by lightning.
Understanding and correctly installing these systems help minimize risks and ensure safety in daily life.
Contact us today for professional advice and installation of the most effective lightning protection systems.