3. Classification of Mv/Lv Substation Transformer
Substations transformer may be classified according to metering arrangements (MV or LV) and type of supply (overhead line or underground cable), Substations transformer are classified into three types:
● Substation in masonry: Installed in a dedicated enclosure prefabricated or not, with indoor equipment (switchgear and transformer);
● Pole mounted (S ≤ 160 KVA) with dedicated outdoor equipment (switchgear and transformers);
● Prefabricated substations.