OIP Insulated Residual Voltage Transformers

Residual voltage transformers are designed to protect capacitor banks against neutral grounding faults.

Technical Specifications
Reference StandardIEC, IS or ANSI
System Voltage (Um)Up to 36 kV
Insulation Level70/170 kVp
Rated Primary VoltageUp to 33000/Ö3 V
Rated Secondary Voltage110/Ö3 V
Rated Secondary Voltage for Open Delta Winding110/3 or 110 V
BurdenAs per client requirement
Metering Accuracy Class0.5 or 1.0
Protection Accuracy Class 3P or 6P
Voltage Factor1.2 continuous and 1.9 for 8 hours
Insulation Class B or higher
Frequency 50 or 60 Hz