HFRS-T 300kV/51600kVA Series Resonant Test System

Engineered for extra-high-voltage equipment testing, the HFRS-T 300kV/51600kVA series-connected system delivers unprecedented 172A output current with 8.6H±1% inductance precision and extended 400Hz frequency capability.

Record-Setting Specifications

• Series Output: 300kV at 172A (51.6MVA)

• Voltage Endurance: 330kV for 60 seconds

• Frequency Bandwidth: 25-400Hz ultra-wide range

• Current Capacity: 172A continuous operation

Precision Engineering

Core Technical Parameters

• Inductance Accuracy: 8.6H ±1% (<1% measurement error)

• Quality Factor: Q≥65-120 across frequency range

• Thermal Performance:

• 80K maximum winding temperature

• 55K transformer oil limit

• 40K epoxy surface temperature

• Duty Cycle: 1hr ON / 1hr OFF (max 3 cycles/day)

Series Connection Advantages

Military-Grade Construction

Robust Mechanical Design

• Dual-reactor configuration with:

• 150kV-rated insulation supports

• Integrated corona electrodes

• Iron-core segmented air gap with OFHC copper windings

• Industrial iron-shell oil tanks provide:

• 40% better cooling than epoxy designs

• Impact-resistant construction

Transport Protection

• Vibration-tested per IEC 61373 for:

• 2500km railway transport

• 1200km highway movement

• 300kV-rated lifting hooks with load monitoring

• Shock-absorbing mountings

Critical Applications

• UHV Transformer Testing: 800kV class factory acceptance

• High-Current Cable Tests: 400Hz damped oscillatory tests

• GIS Switchyards: Breaker contact resistance verification

• Power Plants: Generator step-up transformer diagnostics

Competitive Advantages

1. Unmatched Current Output: 172A capacity for large equipment

2. Extended Frequency Range: 400Hz capability for special tests

3. Enhanced Cooling: Maintains precision across 3 daily cycles

Certification & Compliance

• Meets IEC 60060-1 (HV testing) and IEC 60296 (oil standards)

• Partial discharge compliant to IEC 60270 Class I

• Smart identification system:

• Laser-etched connection diagrams

• QR codes for operation videos

• NFC tags for maintenance records