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Cast Resin Encapsulated Transformers

Cast Resin Transformers have at least one of the two windings embedded on an autoclave mould, at vacuum values ​​close to zero with epoxy resin. The other winding can also be cast in epoxy resin or impregnated with H class polyester resin with high cementation.

Cast Resin Transformers have reached a high degree of reliability thanks to the technological advances in recent years. Our production E2, C2, F1, but also E3 (IEC 60076-16) and C4 (GOST-R), can be used in the presence of a high humidity and pollution rate, low installation temperatures even down to -60°C, therefore eliminating the problems related to the risks of fire and emissions of toxic and harmful substances in case of fire.

As they are entirely built with insulating, flame retardant and self-extinguishing materials, they are completely free from all restrictions that should normally be applied to flammable equipment with a danger of spreading fire.

Power 10kVA – 30MVA
Voltage Class 1.1kV – 52kV
Material temperature classes F (155°C), H (180°C)
Environmental temperature -60 a + 60
Winding material aluminium or copper
Accessories Temperature control sensors, temperature control units, fans, boxes, anti-vibration devices
Strengths reduced size, self-extinguishing, can withstand short circuit

 


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