Encapsulated Transformer


Standard ventilated transformers are cooled by air moving through it's windings. When any of the following conditions are present: humidity, corrosive fumes or dust, the use of a resin encapsulated transformer is required.

The encapsulated transformers are built with a mixture of silica sand and resin that form a mass surrounding the core and coils. The cooling is done by transfer of heat through the enclosure only. Limiting the size of these units to 75 kva.

Typical applications

They are ideal in:
- Humid environment such as mines or marine applications.
- Dusty environments such as textile, woodworking industries.
- Corrosive environments such as pulp and paper, steel mills and petrochemical plants.

Features
- Enclosure: Cema 3R. or Cema 4.
- Insulation class: 185 oC.
- Temperature rise: 115 oC.
- Available in single phase up to 50 KVA.
- Available in three phase up to 112 KVA.
- Copper winding.
- TAPS : 2- 2 1/2 % FCAN, 2- 2 1/2 % FCBN.




Technical Drawing

 Epoxy : 1 Phase
  Primary : 600 volts
Secondary : 120/240 Volts
KVA Cuivre (BC)
3 BC1003VEP
5 BC1005VEP
7 BC1007VEP
10 BC1010VEP
15 BC1015VEP
25 BC1025VEP
37.5 BC1037VEP
50 BC1050VEP


Epoxy : 3 Phases
  Primary : 600 volts
Secondary : 120/208 Volts
KVA Cuivre (BC)
6 BC3006VEP
10 BC3010VEP
15 BC3015VEP
30 BC3030VEP
45 BC3045VEP
75 BC3075VEP




 
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