Special transformers


4.8MVA VPI dry type transformer

C-class Dupont Nomex paper to increase the performances of overheat/ overloaded/ fire-proof resistance
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Adopted plenty of C-class Dupont Nomex paper to increase  the performances of overheat/ overloaded/ fire-proof resistance

The advanced VPI (Vacuum Pressure Impregnation) technology is adopted to enable the products with excellent electric and mechanical performance

Safe and reliable,strong overload capability

Excellent anti-short circuit capability and great anti-lightning impulse capability

Related product parameters

Main Specification
Transformer type
3 phase  dry type transformer
Input rated voltage AC   10KV
Rated current 278A
Vector groupDyn11
Insulation classH
Copper material
Impendance6% - 8%

Factory Test & Report


Factory Advantages

  • Personalized customization

    Only Focused on transformers, but we offer customized different types of transformers.

  • +20 years experience

    +20 years experience R&D team, derived from a 60 years history transformer factory in Changsha city of China.

  • Drew up the National Standard for Mining Explosion-proof Substation

    GB8286 (Mining explosion-proof Mobile Substations)the product of National standard that origin and inheritor,Unique designing for customers' convenience,like “Vertically Lifting”


It is most suitable for the load center which required high fireproof safety and environmental protection, such as airport, subway, power plants, metallurgy, hospital, high-level, shopping center, residents concentration areas, petrochemical, nuclear power, nuclear submarines and other important places. It’s the ideal power supply and distribution equipment.
nuclear power

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Varelen Electric Co., Ltd

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