Tank Type
HTRS 350kV/9000kVA Quad-Voltage Resonant Test System
Four-Voltage Configuration
Grade | Voltage | Current | Inductance Range | Load Range |
---|---|---|---|---|
1 | 350kV | 25.7A | 43.4H-866.9H | 11.7nF-233.9nF |
2 | 250kV | 36A | 22.1H-442.9H | 22.9nF-458.4nF |
3 | 200kV | 45A | 14.2H-283.3H | 35.8nF-716.2nF |
4 | 100kV | 90A | 3.54H-70.8H | 143.2nF-2864.8nF |
Key Performance Features
Advanced Tap Switching:
Built-in 350kV/200kV PD-free HV switch
Voltage ramp-up under no-load conditions
Ultra-Low PD: <2pC at 350kV
High Efficiency: Quality factor >40 (no-load)
Precision Control: Waveform distortion ≤1%
Safety & Reliability
Parameter | Specification |
---|---|
Overcurrent Capacity | 110% (28.5A) for 300s |
Overvoltage Capacity | 110% (385kV) for 60s |
Thermal Limits | 30min ON/30min OFF at 100% (8 cycles/day) |
System Architecture
Core Technology
Multi-tap resonant design:
20:1 inductance adjustment ratio
Integrated voltage switching mechanism
PD-optimized components:
Special corona-resistant bushings
Gradient-controlled windings
Operational Advantages
Wide Application Range:
2864.8nF max load capacity
90A max current output
Flexible Testing:
No-load voltage ramp capability
Precision load matching
Typical Applications
UHV transformer frequency testing
Extra long cable resonant verification
High-current component validation
Multi-voltage research testing
Quality Assurance
Factory testing includes:
Full-range tap switching verification
Partial discharge calibration at all taps
Thermal cycling tests
Complies with:
IEC 60270 (Partial Discharge)
IEEE Std 4 (High-Voltage Testing) |