≤100kV Range
Technical Specifications
Electrical Performance
| Parameter | Specification | Standard |
|---|---|---|
| Rated Capacity | 25 kVA | IEC 60076-11 |
| Output Voltage | 100 kV AC | |
| Output Current | 0.25 A | |
| Input Voltage | 0.42 kV (Customizable) | |
| Input Current | 59.5 A | |
| Frequency | 50 Hz | IEC 60076-1 |
| No-Load Current | <10% | IEEE C57.12.00 |
| THD | ≤5% | IEC 61000-3-6 |
| Impedance Voltage | ≤10% | |
| Dielectric Strength | 3 kV/min (LV to ground) | IEC 60270 |
Performance Features
Partial Discharge: <5 pC at 100% UH (complete system)
Over-Current Capacity: 150% rated current for 300 seconds
Over-Voltage Capacity: 110% rated voltage for 60 seconds
Thermal Management
Winding Temp Rise: ≤65 K
Oil Temp Rise: ≤55 K
Cooling System: ONAN (Oil-Natural Air-Natural)
Operational Modes:
60 min at 100% rating
Continuous operation at 80% rating
Physical Properties
Construction: Cylindrical core design
Weight: 200 kg (approx.)
Insulation Fluid: Mineral Oil (Type 25 per GB 2536)
Protection Class: IP54 (IEC 60529)
Key Advantages
✅ Industrial Power Rating: 25kVA capacity for heavy-duty testing applications
✅ Robust Overload Protection: 50% current surge tolerance for 5 minutes
✅ Precision Diagnostics: <5pC PD sensitivity for reliable insulation assessment
✅ Dual-Operation Flexibility: Full-power testing + continuous 80% duty mode
✅ Optimized Thermal Design: Proven ≤65K rise during extended operations
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