Tank Type
HTRS 250kV/5000kVA Triple-Voltage Resonant Test System
Multi-Voltage Configuration
Voltage Tap | Current Range | Inductance Range | Load Range |
---|---|---|---|
75kV | 3.2-40A | 3H-44.9H (3.59H nominal) | 0.225-3.38μF |
160kV | 1.6-20A | 13.6H-203.8H (16.3H nominal) | 0.02-0.745μF |
250kV | 1.6-20A | 33.2H-507.1H (39.8H nominal) | 0.02-0.305μF |
Key Performance Features
Enhanced Compatibility: Fully replaces 100kV/20A systems with:
75kV load capacity exceeds legacy 50kV systems (3.38μF vs 2.547μF)
Seamless transition between voltage ranges
Precision Measurement:
Waveform distortion ≤1%
Linear reactance adjustment (±1% accuracy)
Ultra-Low PD: <2pC at 250kV
Safety & Reliability
Parameter | Specification |
---|---|
Overcurrent Capacity | 110% (22A) for 300s |
Overvoltage Capacity | 110% (275kV) for 60s |
Thermal Limits | Winding ΔT≤65K, Oil ΔT≤55K |
System Advantages
For Cable Testing Applications
Wide Load Coverage: 0.02μF-3.38μF across all taps
Optimal Tap Selection:
75kV for 127nF-3.38μF loads
160kV/250kV for smaller capacitance tests
Future-Proof Design: 25% capacity margin over legacy systems
Mechanical Construction
Core Components:
Adjustable iron coil with precision gap control
Dual epoxy resin insulated tubes
Eddy-current optimized stainless steel structure
Thermal Management:
ONAN cooling with thermal expansion compensation
Optimized oil flow design
Operational Parameters
Duty Cycle
Rated Load: 1 hour ON / 3 hours OFF
Daily Cycles: 6 maximum
Ambient Temp: -20°C to +40°C
Quality Assurance
Factory testing includes:
Full-range inductance verification
Partial discharge calibration at all taps
Thermal imaging validation
Complies with:
IEC 60840 (Power Cables)
IEEE Std 400 (Cable Testing)