Electrical Earthing is one of the most essential parts of electrical engineering. You may deal will different types of electrical equipment and if there is no earthing system then you are at high risk. But having an earthing system is not enough.
You have to calculate your overall load and individual earthing for each electrical equipment and machine. In my factory, we calculate all earthing systems according to our government guidelines from our outdoor substation to the individual machine.
But you have to make sure one thing and that is never connected to the earthing system with the lightning protection system. I am going to post a series of articles about an earthing system that you can get enough ideas about a perfect earthing system.
The method of all electrical connections to the general mass of the earth is normally called earthing or grounding system. So there is a big relation with your earthing system and earth. If the relation is well established then you are safe. We can classify the earthing system as,
Related: Major Technical Consideration During Earthing System
An electrical substation is always a vital part of the electrical power system. We always try to protect substations from any kind of problem. The substation has many kinds of protection systems but having a strong earthing system in the electrical substation is essential. There is no way that you can ignore that. Now there are three purposes for substation earthing,
So, those are a few tasks that you need to remember when you are designing or making an electrical substation for better protection.
Related: Advantage and Disadvantage of Grounded and Ungrounded Neutral System
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