Product Overview

The HCRS 750kV/750kVA cylinder-type single-phase resonant reactor offers flexible testing capabilities with both 375kV (single module) and 750kV (dual module) operation modes. This precision instrument delivers Q>40 performance with partial discharge levels below 5pC at full rated voltage, making it ideal for demanding high-voltage testing applications.

Configuration Options

Single Module Operation

• Rated Voltage: 375kV

• Rated Current: 1A (1.2A max)

• Reactance Range: 375-1592.4kΩ

Dual Module Series Connection

• Rated Voltage: 750kV

• Reactance Range: 750-3184.7kΩ

Performance Specifications

Technical Parameters

Inductance Ranges

• Single Module: 1194.3-5071.2H

• Dual Module Series: 2388.5-10142.4H

Load Capacitance

• Single Module: 8492.6-20,000pF (incl. divider)

• Dual Module Series: 4246.4-10,000pF (incl. divider)

Robust Protection Systems

Overload Capabilities

• Current: 1.2A (120%) for 300s - no thermal damage

• Voltage: 825kV (110%) for 60s - no insulation damage

Additional Protection

• Linearity: ±1% across 10-100% reactance range

• Precision measurement system

Operational Parameters

Duty Cycle

• Continuous operation at 2/3 rated voltage/current

• 60 minutes at 100% rating

Thermal Limits

• Winding Temperature Rise: ≤65K

• Oil Surface Temperature Rise: ≤55K

• External Surface Temperature Rise: ≤30K

Advanced Design Features

Core Construction

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

• Chip-removal treatment with curing agent

• Noise reduction technology (≤70dB)

Adjustable Reactance System

• Precision air gap adjustment

• Stainless steel brackets minimize eddy current losses

• Guide rail system for accurate coil alignment

Thermal Management

• High-intensity magnetic field heat dissipation

• Oil system thermal expansion compensation

• Reliable grounding baffles between windings

Quality Assurance

• 60+ year design lifespan

• Developed with leading research institutions

• Continuous quality improvements

• Optimized structural design