Description
Technical Parameters
Products overview
This device is primarily used to perform inductive withstand voltage tests on power equipment such as transformers and voltage transformers (PTs). By applying high-voltage alternating current at double the frequency (typically 150 Hz), it effectively evaluates the performance of the internal longitudinal insulation (such as turn-to-turn, layer-to-layer, and section-to-section insulation) within the equipment's windings. This is a critical test for ensuring the safe operation of the equipment.
Products Parameters
- Input Voltage: 380V/Three-phase
- Rated Capacity: 30kVA
- Input Current: 45.5A
- Output Voltage: 0–400V
- Output Current: 43.3A
- Current Output Indication: 50A (Low-voltage current input from three-phase test transformer)
- High-Voltage Output Indication: 30 kV (high-voltage output of three-phase test transformer)
- Meter Accuracy: Class 1.5 (analog)
- Overcurrent Setting: 0–50 A (protects the low-voltage input of the three-phase test transformer)
- Overcurrent Bounce Release Time: 7 ms
- Timing range: 0–999 s, min, h (switchable)
- Cooling method: Natural cooling
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