Electrical equipment earthing is for safety purpose. Equipment earthing can prevent workers from severe shock hazard. Live parts of Electrical equipment are always earthed in electrical system every where.
There are so many advantages of equipment earthing:-
(1) Equipment earthing can reduce electromagnetic interference
(2) For Protection and Fault detection purpose Equipment earthing is important. Every Electrical power plant, Substation, Company has Equipment provided with proper Earthing.
In Our home every appliances should be provided with earthing for safety point of view.
Width of maximum right of way permitted as per forest conservation act ‘1980 and its subsequent amendment dated 25 th October, 1992, are as per Table 1. Researches are being carried out for further optimizing the Right of Way. Guidelines of forest environmental rules shall be followed to avoid excessive tree cutting i.e. all the trees should be cut from root level in the 3 m corridor below each line conductor / earth wires. In the balance corridor, trees branches are only to be lopped to attain the specified clearance as per Table 1. Table 1 – Guidelines for Right of Way as per forest conservations act 1980 and subsequent amendment dated 25 th October, 1992 Line voltage (kV) 66 110 132 220 400 500 HVDC 765 Row width (Meter) 18 22 27 35 52 52 85 Electrical clearance: Electrical clearance while power lines crossing each other. In case of power line crossings, minimum clearance between lowest conductor of line and ground wire / top conductor of ...