>400kV Range
Technical Specifications
| Parameter | Value | Industry Significance |
|---|---|---|
| Rated Capacity | 1600 kVA | High-power testing capability |
| Output Voltage | 1600 kV | Ultra-high voltage applications |
| Input Voltage | 3 kV | Standard grid connection |
| Output Current | 1 A | Precision current control |
| Waveform Distortion | ≤3% | Critical for accurate test measurements |
| Partial Discharge (PD) | ≤8pC @ 100% V<sub>rated</sub> ≤5pC @ 80% V<sub>rated</sub> | Exceeds IEC 60270 Class I requirements |
| Dielectric Loss (tanδ) | ≤0.3% | Industry-leading insulation efficiency |
| Impedance Voltage | ≤25% (3-stage serial) | Stable multi-unit operation |
| Voltage Unevenness | <±5% (3-stage serial) | Unmatched phase balance |
Key Performance Features
1. Precision Measurement
Measuring winding ratio: 3000:1 (enables accurate HV monitoring)
<±5% voltage deviation in serial mode (superior to typical 10% industry standards)
2. Robust Overload Protection
🛡️ 120% current overload for 5 minutes (no winding damage)
⚡ 110% voltage withstand (1760kV) for 1 minute
Waveform distortion ≤5% during overvoltage tests
3. Advanced Insulation System
Reinforced inter-winding protection: 1kV capacitors + MOAs between lower/transmission/upper windings
Self-induced withstand test at 110% rated voltage
4. Optimized Duty Cycle
▶️ 60 minutes operation at 100% rating
⏸️ 60-minute cooldown period
Max 8 cycles/day (engineered for lab reliability)
Physical & Construction Data
Design: Cylindrical core (optimized field distribution)
Dimensions: 6500 × 2000 × 1700 mm (compact for 1600kV class)
Weight: <61,000 kg
Cooling: Natural convection (ONAN)
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