Description
Transposed Technical Comparison Matrix
| Technical Parameter / Feature Category | Single-Pole Outdoor Voltage Transformer Specifications |
| Highest Voltage for Equipment (Um) |
• 25 kV Class: Up to 25 kV • 40.5 kV Class: Up to 40.5 kV |
| Rated Power-Frequency Withstand Voltage (r.m.s., 1 min) |
• 25 kV Class: Up to 50 kV • 40.5 kV Class: Up to 95 kV |
| Rated Lightning Impulse Withstand Voltage (Peak) |
• 25 kV Class: Up to 125 kV • 40.5 kV Class: Up to 200 kV |
| Rated Primary Voltages |
• 25 kV Class: 10/√3 kV, 15/√3 kV, 20/√3 kV, 22/√3 kV • 40.5 kV Class: 20/√3 kV, 22/√3 kV, 27/√3 kV, 30/√3 kV, 33/√3 kV, 35/√3 kV (Other voltages supplied upon request) |
| Rated Secondary Voltages & Open-Delta Connections |
• Secondary Winding Voltages: 100/√3 V, 110/√3 V (custom options on request) • Open-Delta Winding Voltages: 100/3 V, 110/3 V |
| Max Rated Burden / Accuracy Classes (Measurement Winding) |
• 25 kV Class: 50 VA / Class 0.2 – 100 VA /Class 0.5 – 150 VA / Class 1 • 40.5 kV Class: 50 VA / Class 0.2 – 150 VA / Class 0.5 – 250 VA / Class 1 |
| Max Rated Burden / Accuracy Classes (Residual Winding) | Up to 200 VA for Protection Classes 3P or 6P |
| Rated Thermal Limiting Output | 1000 VA (for 40.5 kV rating) |
| Rated Frequency | 50 Hz / 60 Hz |
