How do you Calculate Size of Neutral Earthing Transformer [NET] | Electrical Tools xlsx-file Download Free

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How do you calculate neutral earthing? How do you determine the neutral CT ratio of a transformer? Which transformer is used in case of neutral earthing? Does a transformer neutral need to be grounded?

Calculate Size of Neutral Earthing Transformer [NET]

Calculate Total Capacitive charging current (It).

Calculate Neutral Earthing Transformer  Secondary Current.

Calculate Required Grounding Resistor value at primary side (Rp).

Calculate Required Resistance value at secondary side (Rsec).

Calculate Neutral Earthing Transformer X/R Ratio

Calculate Fault current through Neutral (single line to ground fault) (If)

Calculate Rating of Neutral Earthing Transformer (P).

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