The earth resistance value is a major concern when dealing with earthing of any structure. Earth resistance measurements and the use of earthing compounds helps to identify and achieve a recommended earth resistance for a structure. We know that soil resistivity is the prime factor contributing to the earth resistance …
The process of electroplating is to coat a thin layer of metal on another metal to improve its physical and chemical properties. This is usually done by applying a direct electric current which helps to create a strong chemical bond between the two metals. Electroplating is generally done for two …
We often hear about electrical accidents in commercial buildings, industries, and other facilities that cause huge losses like equipment, infrastructure and even human lives. These accidents often result from faulty or unsafe electrical practices or unnoticed worn-out electrical systems. The severity of the accident is increased with the absence …
The resistance offered by the earth electrode to the current flow into the ground is known as earth resistance. The ideal earth resistance is considered to be zero, such that there is a quick flow of fault current into the ground, but this is practically impossible. The earth resistance value …
What is a Single Line Diagram? A single line diagram also called the one-line diagram is a symbolic or graphical representation of a three-phase power system. It has a diagrammatic representation of all the equipment and connections. The electrical elements such as circuit breakers, transformers, bus bars, and conductors, are …
Earthing connects all the major electrical equipment in our house such as fridge, AC, washing machine, grinder to the ground. So when there is an event of a power surge or lightning strike the extra current formed in the system is easily drawn down to the earth, protecting them from …
An Earth Mat is a mesh formed of bare metallic conductors and buried in shallow soil to provide better safety from touch and step potential. Earth mats are a part of the grounding system implemented in substations, production plants, industrial areas, etc., where high power handling occurs. More efficient grounding …
Electrical circuits are involved with an adequate amount of energy to cause electric shock hazards in case of a fault. A fault can occur due to power surges, leakages due to faulty equipment, lightning strikes hitting directly or indirectly and so on. So it is necessary to focus on the …
Earthing and bonding are two technical terms we come across when we deal with the safety aspect of an electrical system. We have all heard about earthing that is done for safety purposes during the electrical installation, but do we give much thought when it comes to electrical bonding. Both …
An Earth Pit is a type of enclosure used in earthing systems to access and maintain the earth electrodes and other components of the earthing system. It is a type of underground box, typically made of reinforced concrete, that is installed at the site of the earthing system. The Earth …
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