Earthing is defined as “the method of sending charges directly to the ground through low resistance wire to cause an immediate discharge of electrical energy.” The least resistant channel for fault current leaking is chosen, which calls for a low-resistance earthing cable. Leakage of current from electric appliances is the …
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The importance of the lightning protection system for any building cannot be overstated. Lightning protection systems are essential to protect buildings from lightning strikes and the damages caused to the structure, the internal system, and the people inside. To design an effective system for complete protection we need to first …
What are Ground Rods? Ground rods are a crucial component of the earthing system. They are highly conducting metallic rods that are buried deep into the soil and play a significant role in protecting the electrical system from over-current and related damages. Ground rods are typically made of solid copper, …
Petrol stations are high-risk locations considering the huge explosion that can happen due to any small ignition from lightning strikes or other sources. There are special building regulations in the case of petrol stations considering these risk factors. The lightning protection for petrol stations must be designed based on the …
What are Surges? Surges, or transients, are brief overvoltage spikes or disturbances in a power waveform that can damage, degrade, or destroy electronic or electrical equipment. This sudden high voltage is beyond the voltage limit that the circuit is designed to handle. Surges are very short and last only for …
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 …
Objective: To grasp the concept of step and touch potential as per IEC 62305-3 (EN 62305-3) How energy dissipates over conductive objects. Some good conductors exist that provide a path to the ground during broken pole or downed wire conditions, such as metal fences, damp soil, and puddles. Other conductors, …
Objective: Indian Standard IS: 3043 – 2018 [Code of Practice for Earthing – Second Revision] says the following: Earthing refers to the complications which arise when electricity conducts via the ground. The terms earth and earthing here are used whether (or not) the earth is employed as a low impedance …
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India.
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