Dry type cast resin transformer
Dry type Cast Resin Transformers are one of the types of industrial transformers that are made by removing the dielectric liquid. This means that the coils are not immersed in oil. Its medium-pressure coils are covered with epoxy resin and encapsulated. Encapsulation helps prevent moisture from affecting the coil material. Some of the advantages of these transformers are as follows:
• Self-extinguishing and no risk of fire
• Resistant to moisture
• Easy installation and operation and maintenance
• Installation near to the consumption
• No environmental pollution
• Resistant to short circuit forces
• Can be built up to 10,000kVA and up to 36kV
Other products included in this category are dry transformers impregnated with resin under vacuum. These transformers are used for special purposes and mainly as isolation transformers. The coils of these transformers are coated with resin or under vacuum. The rated power of these transformers is usually less than 630 kVA and their primary and secondary voltages are less than 1 kV.