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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

 


Applications

News

GBE cast resin transformers: C4 certification is here (-60°C)

  • 15 April 2014

  It is now proven by a test laboratory on a GBE 2000kVA 24kV insulation class transformer that GBE manufacture transformers suitable for working, transport and storage at temperatures as low as -60°C Yet another GBE stunning technical performance, C4 certification according to GOST-R 54827-2011 standards, proving a perfect reliability of their transformers even at […]

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CESI CERTIFICATION E3-C2-F1 2000 kVA POWER NEVER CERTIFIED BEFORE!

  • 3 October 2013

CESI CERTIFICATION E3-C2-F1 2000 kVA POWER NEVER CERTIFIED BEFORE! GBE S.p.A. has successfully carried out a test on a 2000kVA as an extension of the E2-C2-F1, the environment test E3 according to the standard IEC 60076-16 (wind power applications). The transformer has been kept in an environment with more than 95% humidity and water conductivity […]

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