HFRS-T 200kV/12000kVA Ultra-Low PD Resonant Test System

Engineered for critical high-voltage testing applications requiring uncompromised precision, the HFRS-T 200kV/12000kVA system delivers industry-leading <10pC partial discharge performance with laboratory-grade accuracy in field conditions.

Certified Precision Performance

• Rated Voltage: 200kV (220kV/60s withstand)

• Current Capacity: 60A continuous

• System Accuracy: 16H ±1% inductance

• Partial Discharge: <10pC at rated voltage (per indoor acceptance test)

Advanced Technical Specifications

Core Electrical Parameters

• Frequency Range: 20-300Hz variable operation

• Quality Factor: Q≥60-120 (frequency dependent)

• Thermal Limits:

• 80K maximum winding temperature rise

• 55K transformer oil temperature

• 40K epoxy surface temperature

Durability & Safety

• 160kV/60A extended operation: 1hr ON / 1hr OFF (max 3 cycles/day)

• 110% rated voltage withstand for 60 seconds

• Iron-shell oil tank with 30% better cooling than epoxy designs

Proven Field Testing Advantages

Military-Grade Construction

• Segmented air-gap iron core with oxygen-free copper windings

• Integrated breather capsule for thermal expansion compensation

• Tested for rail/road transport per IEC 61373 Category 1

• 200kV-rated lifting hooks and corrosion-resistant nameplates

Critical Applications

• GIS Partial Discharge Testing: Certified <10pC performance

• Power Transformer Commissioning: Meets IEC 60076-3 standards

• High-Voltage Cable Testing: 12000kVA capacity for 220kV XLPE cables

• Generator Stator Tests: 300Hz capability for rotating machine testing

PD Testing Methodology

Our <10pC partial discharge rating is achieved through:

1. Specialized corona suppression design

2. Triple-shielded lead connections

3. IEC 60270 compliant measurement techniques

System Identification & Compliance

• Laser-etched nameplates with full operational parameters

• Meets IEC 60060-1 (HV testing) and IEC 60480 (oil quality) standards

• Clear serial connection markings for system expansion