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lightning protection according to the rolling ball method

Lightning protection by rolling ball method.

Lightning protection by rolling ball method. Simple direct lightning protection solution. Every year, thunderstorms and lightning strikes cause damage to people and property such as livestock and houses in localities.

Equipping a set of stainless steel balls with a rolling ball lightning protection system, direct lightning protection to protect people and property for the above objects can be done very simply and effectively with Extremely limited costs.

Simple direct lightning protection solution

However, the set of 3 lightning protection balls , or lightning protection needles follow the rolling ball method due to limited knowledge. Due to limited information and limited sources of correct supporting information, this leads to subjective disregard of the above risks.

Or due to subjective judgments from the lack of official supporting information leading to the notion of processing stainless steel balls or expensive construction costs.

Or lightning protection using the rolling ball method is done incorrectly, leading to damages still occurring and assuming that these risks are unstoppable and depend entirely on natural luck or fate!

Lightning protection by rolling ball method .

From the above thoughts and observations, we decided to publish construction methods and basic designs of direct lightning protection systems that are technically correct, standard-compliant and most cost-effective to suit the conditions. economy and needs of rural areas as well as households in Vietnam.

The cost of building and installing a system depends on the material of the stainless steel ball , the aesthetics, and costs vary from guard towers in the middle of fields, cattle barns to camps located in the middle of open areas.

Applies to small areas.

Or small houses, townhouses or villas with areas from a few square meters to several hundred square meters.

This rolling ball method of lightning protection stainless steel spheres can be completely expanded to apply to high-rise buildings and skyscrapers because of its availability and complete application according to standard calculation methods. IEC 62305-1..4 standard.

Products are subject to order.

Sample set of stainless steel lightning protection balls using the rolling ball method . In the methods and cases we mention below, the goal is to support subjects with limited technical information sources as well as the most rudimentary equipment capabilities.

However, it still ensures safety for those who self-build and install security for small-scale and temporary projects with minimal funding in rural areas of Vietnam.

A set of stainless steel lightning protection balls

The solution for the lightning protection stainless steel ball set is based on the simple direct lightning protection rolling ball method. Stainless steel lightning protection ball
system using the rolling ball lightning rod method (can be separate or combined, including connecting wires on the roof of the building with lightning rods). Stainless steel lightning protection ball system using the down-conductor rolling ball method. Stainless steel lightning protection ball system using the rolling ball grounding method (including grounding poles and conductors connecting the underground grounding poles. Method of building a lightning protection stainless steel ball set using the rolling ball method:

 

According to the rolling ball method

Simple direct lightning protection solution - set of stainless steel lightning protection balls using the rolling ball method

To build a lightning protection system for small-scale projects with an area ranging from a few tens to a few hundred square meters with a typical roof architecture as illustrated below, the following method can be done:

Basic direct lightning protection system

Lightning protection needle and set of stainless steel lightning protection balls using the wire rolling ball method of connecting lightning protection needles:

Install the lightning protection stainless steel ball set using the rolling ball method. The height of the Lightning Rod can be several centimeters or more depending on the hardness of the material, with a diameter of Ø16mm or larger (made of iron or copper or using the connecting wire itself as a lightning rod). depending on economic capabilities).

Contains the following ingredients:

Stainless steel lightning protection ball conductors using the conductive rolling ball method on the roof connect to the tops of the roof, fixed on the roof with clamps or expansion screws, attached directly to the outermost part of the roof. construction. The crossing points between the conductors and the connection to the down conductor are bonded together by clamping or arc welding.

Set of stainless steel lightning protection balls

For sets of stainless steel lightning protection balls using the rolling ball method for houses whose roofs are made of flammable materials (leaf roofs, straw, etc.), the installation of lightning rods and lightning rods is required. The down conductor for this house needs to have a safe isolation distance from the roof surface.

The minimum required isolation distance between the lightning rod and the top of the roof is 0.6m, between the lightning conductor and the roof surface is 0.4m and 0.15m below the roof base.

According to the tinta rolling ball method

The method of using a set of stainless steel lightning protection balls is based on the rolling ball method. Materials used to isolate wires from the roof can use bamboo or wooden poles nailed or fixed with steel wire to the roof's rafters and beams.

Choose a set of stainless steel lightning protection balls using the rolling ball method, using lightning conductor material of Ø8mm or larger solid steel, the conductors are fixed on isolation poles with stainless steel clamps and clamps. Make sure.

The simplest direct lightning protection solution

In this case, the set of stainless steel lightning protection balls uses the rolling ball method, only needing to use Ø16mm steel lightning rods with a height of 10 - 20cm.

Being securely welded or clamped with lightning conductors mounted at both gables of the house ensures safety at a reasonable cost, suitable to the actual conditions of the house that needs protection.

Be careful when using

• Be careful when using a set of stainless steel lightning protection balls using the rolling ball method because the supporting columns made of bamboo and wood are exposed to the sun and rain without any protection.

Over time, it will rot, making it unsafe for people and the house when it collapses, so it is necessary to periodically check the supporting columns to see if they are safe, especially during the stormy season. Need to replace immediately with another support column.

For sets of stainless steel lightning protection balls

For the set of stainless steel lightning protection balls using the rolling ball method, flat roof projects have large areas (without many complex shapes), the roof area ranges from several hundred to thousands of square meters.

At that time, if only using lightning rods at the corners of the roof will not ensure building safety when lightning strikes points in the middle of the roof, so the optimal solution is to use a mesh lightning system ( Mesh).

Based on the set of stainless steel lightning protection balls

Based on the set of stainless steel lightning protection balls using the rolling ball method according to the tables on size and type to choose the material to make the conductor, you can choose the type of conductor as solid steel or copper cable Ø8 - 16mm depending on depends on economic capacity.

The conductors are arranged horizontally and along the roof surface of the building. The places where the wires cross and connect the wires together are securely welded by arc welding or using cable clamps.

Safe from the risk of lightning strikes .

With this rolling ball lightning protection stainless steel ball set method, the entire lightning arrester system combined with covered down conductors surrounds the building similar to a Faraday cage, protecting the entire structure from the risk of being struck by lightning.

The rolling sphere method of lightning protection stainless steel spheres is used to identify unprotected parts of tall structures with many complex shapes.

Method of installing lightning arrester system

By rolling an imaginary ball with a specified radius across the entire surface of the building's boundary wall, when it comes into contact with the building surface, lightning strikes can be created at these locations.

It is necessary to choose a method of installing a lightning arrester system with the number of rods or mesh size appropriate to the shape of the roof surface to ensure building safety.

Protection for flammable structures

This rolling ball method of lightning protection stainless steel balls is often used to check the protection zone of any lightning protection system design.

In general, the smaller the bridge size, the better the lightning protection ability, but it will be expensive during the system construction and installation process.

The recommended bridge size has a radius of 20 - 60m. Normally, bridges with a radius of 60m should be used, while bridges with a radius of 20m should only be used to protect flammable structures.

Wiring system to ground

The function of the lightning protection stainless steel ball set is based on the rolling ball method of the down conductor, which is the connecting wire from the lightning arrester to the grounding poles.

Ground wire system with diameter Ø8-10mm or larger (made of iron or copper) is soldered or clamped in place.

Linked to a needle or connecting wire on the roof and led down to at least two symmetrical locations of the building depending on the building's size (length and width of the site).

Set of stainless steel lightning protection balls

Use a set of stainless steel lightning protection balls using the rolling ball method with clamps and stainless steel clamps to secure the wires to the wall and roof with expansion screws to ensure they are secure.

The location chosen depends on the actual conditions of the construction site. Grounding piles are installed at relatively symmetrical positions connected to the ground piles.

Normally, the distance between down conductors around the boundary wall does not exceed 20m.

Note the rolling ball method:

• Note, installing the lightning protection stainless steel ball set by the method of rolling the wires down must ensure the aesthetics of the project and avoid locations that may be dangerous to people.

Stainless steel ball grounding system

The system of lightning protection stainless steel balls using the rolling ball earthing method includes at least 2 or more grounding poles made of twisted steel bars with diameter Ø16 or larger or V-shaped steel bars with lengths from 1m - 2m, with hardness. large enough to bear the force of driving into the ground in a trench at least 80-100cm deep.

The location of the grounding piles is driven at two symmetrical points 1m away from the building's foundation and there must be at least one connecting wire running in the trench connecting these two piles together along 2 sides of the building (the remaining two sides have may not need to run wires)

Because the equipotential grounding wire has a minimum size of Ø8 or larger made of iron or copper depending on economic feasibility.

Set of stainless steel lightning protection balls

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