Vacuum Pressure (vpi ) Impregnation Transformers

The Vacuum Pressure Impregnation (VPI) Voltage Transformers are vacuum pressure impregnated in high temperature polyester varnish. The system includes total submersion in varnish under vacuum and pressure and controlled curing using statistically process controlled equipment to ensure consistency. The finished coils are effectively protected against moisture, dirt, and most industrial contaminants. VPI transformers are suitable for use indoors or outdoors where people work and breathe. The product has higher overload capacity, special altitude requirements, retrofit designs and high efficiency requirements
Specifications:
Up to 3 MVA 36 KV Class
Seismic Qualifications
Special Sound Requirements
Low XR Ratios
Higher Overload Capacity
Special Altitude Requirements
Retrofit Designs