How many earthing required for commencing a transformer

Question

Accepted Answer

The number of earthing required for commencing a transformer depends on the type and size of the transformer.

The number of earthing required for a transformer depends on its rating and the local electrical regulations.
In general, a single earthing electrode is sufficient for small transformers with ratings up to a few hundred kVA.
For larger transformers, multiple earthing electrodes may be required to ensure proper grounding.
The exact number of earthing electrodes and their specifications should be determined based on the transformer's specifications and local electrical codes.
For example, a 500 kVA transformer may require two or more earthing electrodes, while a 10 MVA transformer may require a larger number of electrodes.
The earthing electrodes should be properly installed and connected to the transformer's neutral point to ensure effective grounding and safety.

Accepted Answer

4 earthing pit required
2 earthing transformer body
2 earthing transformer neutral

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