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Earthing

Ground Enhancing Products (4)

APLICEM ground enhancing cement improves grounding effectiveness around any type of earthing rod . . .
APLIFILL Improves soil resistivity, high water absortion and swellability, long duration, ecological and non corrosive, suitable for all types of soils, electrodes and earthing arrangements . . .
CONDUCTIVER PLUS Gel is composed of a base-electrolyte, providing conductive capability, and other componentes that help conduction and complement the base-electrolyte action . . .

Exothermic Welding (4)

Apliweld exothermic or aluminothermic welding

is a process that achieves the molecular binding among two or more metallic conductors by a chemical reaction. This molecular binding improves mechanical, electrical and anti-corrosion properties compared with any mechanical connection. Apliweld exothermic welding is the best way to make permanent, reliable and high conductivity connections for any installation requiring an earthing system

Earth Electrodes (3)

A low Earth Resistance is essential for obtaining an efficient Earthing.

Conductors with an accurate section should be used in order to carry the expected current. Besides, they must be durable against corrosion.
The value of the electrical resistance must be measured at the Lightning Protection Earthing, isolated from any other conductive element. Therefore, it is necessary to use disconnectors in order to separate the Earthing from the rest of the installation during the measurements.

Earthing Accessories (3)

Spark gap for earthing bonding. Earth pits: The principle advantages of these earth pits are the following: easily storage, good resistance to chemical substances and resistant to UV rays.
Equipotential bonding bar: equipotential earth points, fixed earting terminal, support for tape conductors. Earth Clamping: Earth clamp for connection between copper cable, round or tape conductors to copper or copperbond earth rod . . .

All products be distributed by ThyAn Engineering Company

A well designed earthing system is essential for any electrical installation to avoid the danger associated with fault currents, as established in the main earthing standards:

Spain: RBT2002 “Low Voltage Electrotechnical Regulation”. ITC-18 “Earthing systems”.
Great Britain: BS 7430 “Code of practice for Earthing”.
France: NF C 15-100 “Low Voltage Electrical Installations”.
Germany: DIN VDE 0100 “Earthing arrangements, protective conductors, equipotential bonding conductors”.
USA: UL 467 “Grounding and bonding equipment”.
VN : TCXDVN 46-2007: Protection of Structures Against Lightning - Guide for design, inspection and maintenance.
VN : QCVN 9-2010/BTTTT: National technical regulation on earthing of telecommunication stations

Therefore, earthing protects both equipment and people against dangerous touch voltage.

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To provide security for people by limiting the touch voltage.
To protect installations and equipment by providing a low impedance path.
To improve the quality of the signal by minimizing the electromagnetic noise.
To fix a reference voltage for the system equipotentialization.

A low Earth Resistance is essential for obtaining an efficient Earthing.

Conductors with an accurate section should be used in order to carry the expected current. Additionally, they must be durable against corrosion. The value of the electrical resistance must be measured, isolated from any other conductive element. Therefore, it is necessary to use power breakers in order to separate the Earthing from the rest of the installation during the measurements.

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The resistance should be measured regularly so it is necessary to install an inspection pit.
The soil humidity will reduce the earthing resistance.
Earthing enhancing compounds reduce the soil resistivity.
Buried electricity and gas installations should be known in order to respect the security distances for each case.
Buried pipes and water tanks should be known in order to bond them equipotentially with the earth termination.

In low-conductivity soils, enhanced electrodes, deep electrodes or ring conductors should be used in order to obtain a suitable earth resistance.

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Particularly, the Earth Termination System is essential for Lightning Protection , since the lightning current should disperse there. Each down conductor must have an Earth Termination System, formed by conductive elements in contact with the soil and able to disperse the lightning current in it.
Good earthings of Lightning Protection Systems should be able to withstand lightning currents and to disperse them quickly and safely.

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