Many older industrial facilities use single-phase, oil-filled transformers made for pole-mounting but installed at ground level to create 3-phase power distribution systems. Usually, primary and ...
Single-phase transformer realized as single-phase isolating transformer according to DIN EN 61558, VDE 0570, part 2-4 or single-phase safety transformer according to DIN EN 61558, VDE 0570, part 2-6.