In my last post, I discussed the Pipe Electrode Type Earthing System and Rod Electrode Type Earthing System. In this post, I am going to discuss another two methods of the earthing system and those are “Driven Electrode Types Earthing System and Plate Electrode Types Earthing System“.
Driven Electrode Types Earthing System:
This type of earthing system you can stable where soils have reasonable free from stone. For this method, you need to have a driven stud for all types of power hammers. The rods will deliver on a standard plate. Continuous Earth electrode will stay at the upper section from the main hardness steel tip.
After continuous earth electrode, an extension will be present and the length of the rod will be 1 meter. After extension rode there will be another rode name landing rod that will be present and the length of this rod will be 1 meter. At the deep down of the earth or last point of the earthing system, there will be present a hardened steel tip.
Plate Electrode Types Earthing System:
For this earthing system, the minimum size of the main plate electrode must be 60cm × 60cm. The thickness will vary for different types of metal that you are going to use. But I am going to give you a rough idea about the thickness of the plate.
If you are using the galvanized iron or steel then the minimum thickness of the plate should be 5.3mm, for pure copper, it will be 3.25mm and for cast iron, it will be a minimum of 9.45mm. This plate will be buried in the earth vertically so that the very top edge of the plate is 1.5m depth for the top of the ground level.
The soil will be maintained wet by pouring water. The NaCl, CaCl2, Charcoal, etc will be used outside of the plate electrode. If you want to reduce the earth’s resistance then just place two or more plate electrodes parallel at the distance between 8m to each of them.
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