Product Overview

The HCRS 700kV/4900kVA cylinder-type single-phase resonant reactor delivers exceptional performance for high-voltage testing applications, featuring an industry-leading quality factor (Q>100) and ultra-low partial discharge levels (<5pc at="" 700kv="">

Core Electrical Specifications

Configuration Options

Single Reactor Mode

• Inductance Range: 1267.8-132.7H

• Load Capacitance Range: 8000-76430pF (including divider)

Two Reactor Series Connection

• Inductance Range: 2535.6-265.4H

• Load Capacitance Range: 4000-38215pF (including divider)

Robust Performance Characteristics

Overload Capability

• 110% current (7.7A) for 600s - no winding damage

• 110% voltage (770kV) for 60s - no insulation damage

Extended Operation

• 120 minutes continuous at 100% voltage/current

• Unlimited operation at 500kV/6A

Thermal Performance

• Winding temperature rise: <65K

• Oil surface temperature rise: <55K

Advanced Structural Design

Core Construction

• Grain-oriented electrical steel (130-0-130 grade)

• Chip-removal treatment with curing agent integration

• Noise-reduced operation

Adjustable Reactance System

• Iron coil structure with precision air gap adjustment

• Guide rail system for vertical/horizontal coil movement

• Stainless steel brackets minimize eddy current losses

Thermal Management

• Specialized pedestal design for heat dissipation

• Oil system accommodates thermal expansion/contraction

Safety Features

• Reliable grounding baffles between winding and inner coil

• Epoxy tube insulation system

Quality Assurance

• 60+ year design lifespan

• Continuous improvements through university/research partnerships

• Industry-leading power frequency resonant technology

• Optimized structural design eliminates legacy limitations

Typical Applications

• Ultra-high voltage equipment testing

• Partial discharge measurement systems

• Power transformer commissioning

• High-voltage cable testing

• Research laboratory applications