HCRS 1200kV/1200kVA High-Current Resonant Test System

The HCRS 1200kV/1200kVA Inductance Resonant Reactor provides industry-leading 10A output capacity at 1200kV, featuring precision measurement (Grade 1 accuracy) and flexible operation modes for demanding high-voltage testing applications.

System Specifications

• Input Voltage: 0.415kV ±5% (Single phase)

• Input Current: 963.9A

• Frequency: 50Hz

• Output Configurations:

• 1200kV @ 10A (Series connection)

• 600kV @ 20A (Parallel connection)

• Load Capacity: 25000pF @ 1200kV

• Waveform Deviation: ≤1%

• Measurement Accuracy: Effective value Grade 1

Performance Parameters

• Quality Factor (Q): ≥40 (System), ≥50 (Single stage)

• Partial Discharge:

• ≤10pC @ 1200kV

• ≤3pC @ 900kV

• Noise Level: ≤70dB (rated conditions)

• Insulation: Withstands 1.1× rated voltage for 1min

• Temperature Rise:

• Oil: ≤45K

• Winding: ≤65K

Single Stage Reactor Specifications

• Model: HCRS 400kV/4000kVA

• Rated Inductance: 1270H (Max load: 79580pF)

• Dimensions: 3500mm height (excluding basement)

• Weight: 23000kg

• Cooling: ONAN (Oil Natural Air Natural)

Operational Modes

Standard Testing

• 1 hour continuous @ 1200kV, 10A with load

• 10 minutes @ 12A (short-term overload)

Intermittent Testing

• 1080kV @ 5A: 1 hour ON / 2 hours OFF

• Maximum 3 cycles per day

Advanced Structural Design

• Core Construction: Adjustable iron coil with precision gap control

• Premium Materials:

• 30-0-130 grain-oriented electrical steel

• Stainless steel brackets with dual epoxy tubes

• Thermal Management:

• High-intensity magnetic field heat dissipation

• Oil expansion compensation system

• Noise Control:

• Chip-removed cured iron core

• Precision guide rail alignment system

• Safety Features:

• Grounding baffles between winding/iron core

• Reliable earthing system

System Reliability

• Design Lifespan: >60 years operation

• Technical Innovation: Continuously improved with research institutes

• Quality Assurance: Rigorous partial discharge testing at user facility

Conclusion

The HCRS 1200kV/1200kVA Resonant Test System sets new benchmarks for high-current testing at extreme voltages, combining 10A output capacity at 1200kV with precision measurement (Grade 1 accuracy) and flexible operational modes. Its robust construction and advanced thermal management ensure reliable performance for the most demanding high-voltage testing applications.