Outdoor OIP Insulated Voltage Transformers

Oil immersed voltage transformers are equipped with secondary terminal box with IP55 ingress protection and high-quality porcelain insulator. Composite insulators can be provided up on client request.

Technical Specifications
Reference StandardIEC, IS or ANSI
System Voltage (Um)Up to 145 kV
Insulation Level275/650 kVp
Rated Primary VoltageUp to 132000/Ö3 V
Rated Secondary Voltage110/Ö3 V
Rated Secondary Voltage for Open Delta Winding110/Ö3 or 110/3 V
BurdenAs per client requirement
Metering Accuracy Class0.2, 0.5, 1.0 or 3.0
Protection Accuracy Class 3P or 6P
Voltage Factor1.2 continuous and 1.9 for 8 hours
Insulation Class A
Frequency 50 or 60 Hz