wht is the purpose of the earth electrode other then earthing
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Answer Posted / abiodun ogunnaike
The purpose of earth electrode is to induce a return energy or current through external body via the ground. this to ensure no damage occur to the appliances during high current surge or short circuit reaction.
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my b-tech percentage is 50%. what answer will satisfy the hr ?
What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
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