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Resin Power Transformers

GBE SpA manufactures resin transformers up to a power of 30 MVA and voltage of 52 kV, with Off Circuit or On Load Tap Changer. The constructive design of a power transformer is completely different from that of a distribution transformer. The masses involved are quite big, and at the design stage it is necessary to take into account not just the mechanical and electrical stresses but also the issues related to the materials expansion during operation. A correct distribution of the electric field within the windings must be ensured to avoid partial discharges issues or problems related to the overvoltage resonance and this is guaranteed by GBE design that considers the proper distribution of the capacities between coils, layers and parts of the coils, and to the ground. For the power transformers, the constructive design takes into account any dimensional aspects of the transformer based on the type of installation and especially the optimization of losses so to guarantee a competitive product not just considering the purchase price, but also the operation cost.

News

Transformers and Reactors for marine applications

  • 24 June 2020

Offshore and onshore, an exclusive product for all types of marine installations Transformers and reactors for marine applications are distinguished in two different types of installations: offshore and onshore. For each of these installations, additional distinctions can be made depending on the application and use. GBE develops these exclusive products in cast resin, dry type […]

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A look at the past to define the future

  • 28 May 2020

  GBE celebrates 20 years of business. We have achieved excellent results thus far, but we’re not done yet. There are numerous projects currently under way – not only in terms of the production process, with new investments especially in the power division – but also in regards to certifications in new markets where specific […]

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Power division: continuous investment

  • 28 May 2020

  Tripled production capacity for power transformers     GBE produces air-insulated, cast resin and oil-filled, special and distribution transformers and reactors. In recent years we’ve increased the number of units produced for each type of transformer and reactor, as well as the average power, following an increase in orders for the power division, which is steadily […]

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