≤100kV Range
Technical Specifications
Electrical Performance
| Parameter | Specification | Standard |
|---|---|---|
| Rated Capacity | 20 kVA | IEC 60076-11 |
| Output Voltage | 100 kV AC | |
| Output Current | 0.2 A | |
| Frequency | 50 Hz / 60 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 |
Robust Protection Features
Partial Discharge: <5 pC at 100% UH (complete system)
Over-Current Capacity: 150% rated current for 300 seconds (no damage)
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)
Cyclic Duty Operation:
1 hour ON / 1 hour OFF
Maximum 8 cycles per day at 100% rating
Key Advantages
✅ High-Power Testing: 20kVA capacity for demanding industrial applications
✅ Dual-Frequency Flexibility: Compatible with global power systems (50Hz/60Hz)
✅ Robust Overload Protection: 50% current surge tolerance for 5 minutes
✅ Proven Thermal Stability: ≤65K rise during cyclic stress testing
✅ Precision PD Measurement: <5pC sensitivity for reliable insulation diagnostics
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