The distribution transformer calculations spreadsheet enables rapid computations for the following: ascertaining the MV/LV transformer rating, calculating the rating of the overcurrent protection device on the low - voltage side of the transformer, determining the prospective short - circuit current, and computing the sizes of natural ventilation openings required for the transformer room.

Determining the MV/LV Transformer Rating
Input Parameters:

Calculating the prospective short - circuit current on the low - voltage side of the transformer

Calculating the sizes of natural ventilation openings required for the transformer room.
