Physics, asked by vijaykumar6973, 13 hours ago

Which type of neutral grounding is cheaper?

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Answered by shardashriram339

Answer: For MV and HV systems, solid earthing is the cheapest method but has a number of serious drawbacks. Neutral earthing resistors are used to limit the fault current in transformers When a phase to earth occurs, the fault current is limited only by the soil resistance.

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