An Inductive Voltage Transformer (IVT) is an electromagnetic device designed to step down high voltage levels to safer, measurable values for protection, metering, and control applications in power systems. It operates on the principle of electromagnetic induction.
| Feature | Details |
|---|---|
| Voltage Rating | Available from 3.3 kV to 765 kV for various voltage classes |
| Accuracy Class | 0.2, 0.5, and 1.0 for precise metering and protection |
| Frequency Range | 50 Hz or 60 Hz based on system requirements |
| Insulation Medium | Oil-filled, SF6 gas-insulated, or resin-cast insulation for enhanced durability |
| Primary Winding | Designed to handle high voltages for direct system connection |
| Secondary Voltage Output | Typically 110V or 120V for relay protection, metering, and control |
| Thermal Rating | Designed to handle overload conditions without thermal stress |
| Protection Features | Equipped with surge protection for transient overvoltage handling |
| Operating Temperature | Capable of functioning in extreme environments (-40°C to +70°C) |
| Compliance Standards | Conforms to IEC 61869-3, ANSI C93.1, and IS standards for voltage transformers |
| Applicable Standards | IEC, NEMA |
| Range | 36kV to 420kV |
| Frequency | 50/60HZ |
| Burden Class | 500VA/0.5 or 300VA/0.2 |
| Secondary Voltage | 100, 100√3, 110, 110√3, 120, 120√3 |
| Insulation Level (kV/ kVp) | 460/1050 and 850 |
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