HCRS 1200kV/3600kVA Multi-Voltage Inductance Resonant Reactor

The HCRS 1200kV/3600kVA Inductance Resonant Reactor provides unmatched testing flexibility with three configurable output voltages (400kV/800kV/1200kV) and industry-leading ≤5pC partial discharge performance at 1200kV.

Electrical Specifications

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

• Input Current: 263A

• Frequency: 50Hz

• Output Configurations:

• 1200kV @ 3A (Three reactors serial)

• 800kV @ 3A (Two reactors serial)

• 400kV @ 3A (Single reactor)

• Parallel operation: 6A capacity

• Waveform Deviation: <1%

• Measuring Accuracy: 1 grade

Performance Parameters

• Quality Factor (Q): ≥45

• Noise Level: ≤70dB (rated conditions, 4m distance)

• Insulation: Withstands 1min at 1.1× rated voltage

• Partial Discharge:

• ≤5pC @ 1200kV

• ≤3pC @ 840kV

Configuration-Specific Parameters

Single Reactor (400kV/1200kVA)

• Max Load Capacitance: 23875pF (including divider)

• Inductance (Lmin): 424.4H

• Temperature Rise:

• Oil: ≤45K (1 hour rated current)

• Winding: ≤65K (resistance method)

Two Reactors Series (800kV)

• Inductance: 848.8H

• Max Load Capacitance: 11940pF

Three Reactors Series (1200kV)

• Inductance: 1273.2H

• Max Load Capacitance: 7958pF

Operational Characteristics

• Continuous Operation: 1 hour @ rated voltage/current

• Intermittent Operation: @ 2/3 rated voltage/current

• Protection Systems:

• Over-voltage/over-current protection

• Test object flashover protection

• Reactor air gap limit monitoring

Advanced Structural Design

• Core Construction: Adjustable iron coil with gap tuning

• Premium Materials:

• 30-0-100 grain-oriented electrical steel

• Stainless steel brackets with 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

• Safety Features: Grounding baffles between winding/iron core

System Reliability

• Design Lifespan: >60 years operation

• Quality Assurance: Developed with leading research institutions

• Field Testing: Partial discharge verification at user facility

Conclusion

The HCRS 1200kV/3600kVA Resonant Reactor delivers exceptional testing versatility through its multi-voltage configuration capability (400kV/800kV/1200kV). With precision inductance adjustment (424.4H-1273.2H range), industry-leading ≤70dB noise levels, and robust 50Hz operation, this system establishes new benchmarks for high-voltage testing equipment up to 1200kV applications.