preforma.pf (PAC type) transformer substation, in accordance with EDF HN 64-S-33 and IEC standards, includes a factory-assembled concrete enclosure, with a monoblock structure, containing the electrical components.
The preforma.pf consists of:
• A reinforced concrete enclosure painted and equipped with: doors and ventilation, protective window for external indicator, public lighting unit, internal lighting and socket, protection and earthing circuits and equipotential belt.
• An MV switchgear, compact or extendable compact type
• An MV/LV transformer
• An LV board, TIPI/LV type
• Auxiliaries: Fault detectors, ITI box and public lighting bars
• Connections for various types of switchgear
preforma.pf substations can be classified in 2 main families:
Traditional PREFORMA substations with flat roof and standard RAL colours (Ivory 1015, Green 6003, Grey 7035 and Brown 8017)
Customised PREFORMA substations with a wide choice of roofs and covers (slate, tiles, etc.) and also an extensive range of cladding (stone, brick, timber, etc.)