Tank Type
HTRS120kV/1500kVA Inductance Resonant Reactor for High Voltage Cable Testing
Product Overview
The HTRS120kV/1500kVA tank-type single-phase resonant reactor is designed for precision testing of power cables up to 35kV class. With three configurable output taps (120kV/75kV/50kV), this indoor-use equipment meets international standards for partial discharge testing and withstand voltage tests.
Technical Specifications
| Parameter | Tap 1 | Tap 2 | Tap 3 |
|---|---|---|---|
| Rated Output Voltage | 120kV | 75kV | 50kV |
| Rated Output Current | 12.5A | 20A | 30A |
| Cable Testing Capacity | 26/35kV cables (100-1000m) | 21/35kV cables (120-2400m) | 6/10kV to 12/20kV cables (110-3500m) |
| Inductance Adjustment Range | 25H~587H | 10H~200H | 4.6H~94H |
| Capacitor Load Range | 0.012μF~0.28μF | 0.035μF~0.70μF | 0.075μF~1.5μF |
Key Features
1. Multi-Tap Design
Three voltage configurations for diverse testing requirements
Automatic inductance matching through coil gap adjustment
1500kVA consistent capacity across all voltage levels
2. Advanced Insulation System
25# transformer oil insulation (110kV level)
Partial discharge level ≤2pC at 120kV
Double epoxy tube construction with stainless steel brackets
3. Thermal Management
ONAN cooling method (Oil Natural Air Natural)
Winding temperature rise ≤65K at 50% rated load
Oil temperature rise ≤55K during 1-hour operation
Structural Design
External Construction
Tank-type housing with impact-resistant sky blue coating
20kPa pressure tested flange connections
Aviation-grade acrylate sealing rings
Internal Components
1Ni18T9 non-magnetic stainless steel guide rails
Double lead screw mechanism for noise reduction
Eddy current-optimized iron core structure
Typical Applications
This resonant reactor is ideal for:
Factory acceptance tests (FAT) for 6kV-35kV power cables
Partial discharge measurement systems
Frequency withstand voltage tests per IEC 60840 standards
High-capacity cable network commissioning
Quality Assurance
Total harmonic distortion within -20°~+40° range
Quality factor maintained at 20-100
Thermal expansion compensation design
Conclusion
The HTRS120kV/1500kVA resonant reactor provides a reliable solution for high-voltage cable testing across multiple voltage classes. Its innovative design ensures precise measurements while meeting stringent safety requirements for partial discharge and thermal performance in demanding electrical testing environments.
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