Core Technical Parameters

Structural Design Features

Internal Construction

• Core Material: 300130 orientation silicon steel with mitre joints

• Winding Insulation: Epoxy glass cloth wrapped with inter-winding baffles

• PD Level: <1pC at 100% rated voltage

External Protection

• Enclosure: Tank-type with sky blue anti-corrosion coating

• Sealing: 20kPa pressure tested, aviation-grade acrylate seals

• Noise Level: <75dB during operation

Operational Specifications

Thermal Performance

• Winding temperature rise: <65K at 100% load

• Oil temperature rise: <55K (25# transformer oil)

• Surface temperature rise: <30°C

Duty Cycle

• 100% U_H/I_H: 1hr ON / 1hr OFF (10 cycles max/day)

• Continuous operation permitted at 80% rated voltage/current

Industrial Applications

This resonant test system is ideal for:

1. Cable withstand voltage testing (IEC 60502-2)

2. Gas-insulated switchgear (GIS) commissioning

3. Power transformer routine tests (IEC 60076)

4. Rotating machine insulation verification

Safety & Compliance

• Meets IEC 60296 for insulating oil requirements

• Stainless steel 1Ni18T9 non-magnetic components

• Double lead screw design for vibration reduction

• ONAN (Oil Natural Air Natural) cooling system