HFRS-T 230kV/9000kVA Precision Resonant Test System

Designed for critical high-voltage equipment verification, the HFRS-T 230kV/9000kVA system delivers laboratory-grade accuracy in field conditions with its 25H±2% inductance stability and enhanced thermal management.

Certified Technical Parameters

• Rated Voltage: 230kV (253kV/60s withstand)

• Current Capacity: 39.2A continuous

• System Accuracy: 25H ±2% inductance (<1% measurement error)

• Frequency Range: 25-300Hz wide operation band

Engineering Excellence

Precision Components

• Segmented air-gap iron core with OFHC copper windings

• Q Factor: 65-120 across frequency range

• 1hr ON / 1hr OFF duty cycle (max 3 cycles/day at full load)

Thermal Management System

• 80K maximum winding temperature rise

• 55K transformer oil temperature limit

• Iron-shell tank provides 35% better cooling than epoxy designs

• Integrated breather capsule for oil expansion control

Durability Features

Metal Tank vs Epoxy Tube

• Heat Dissipation: 55°C max oil temp vs 65°C in epoxy

• Transport Safety: Vibration-resistant for 2000km rail transport

• Maintenance: Easier oil sampling and analysis

Operational Specifications

Typical Applications

• EHV Transformer Testing: 230kV class routine tests

• Cable Commissioning: 300Hz damped oscillatory tests

• GIS Maintenance: Partial discharge detection

• Generator Tests: Stator winding integrity checks

Safety & Compliance

• 200kV-rated lifting hooks with load sensors

• Laser-etched nameplates with full test parameters

• Corona-reduced design for clean PD measurements

Why Choose This System?

1. Field-Ready Precision: Maintains <1% error in transport conditions

2. Extended Frequency Range: 25-300Hz covers all test scenarios

3. Proven Durability: 10+ year design life in harsh environments