Core Technical Specifications

Performance Specifications

• Attenuation:

• 40kHz-100kHz: >40dB

• 100kHz-1MHz: >60dB

• Partial Discharge: <3pC at rated voltage

• Insertion Loss: <0.4dB across 50-300Hz

• Frequency Response: Flat attenuation (±2dB) across operating range

Wide-Frequency Operation

Designed for demanding variable-frequency environments:

• Broad Compatibility: 50Hz to 300Hz operation

• Stable Performance: Consistent attenuation across frequency spectrum

• Harmonic Immunity: Rejects interference from VFDs and inverters

• Low Phase Distortion: <5° phase shift at 300Hz

Cyclical Duty Operation

• High-Intensity Cycles: 8 operational cycles per day maximum

• Precision Timing: 15 minutes ON at 100% load

• Mandatory Cooling: 15 minutes OFF between cycles

• Thermal Protection: Auto-shutdown at 120°C winding temperature

Engineering Design Features

• High-Frequency Reactors: Nanocrystalline cores for wideband performance

• Low-PD Insulation: Epoxy-encapsulated windings

• Thermal Management: Forced-air cooling capability

• Surge Protection: 8kV/μs transient response

Industrial Applications

• Variable frequency drive (VFD) output filtering

• Aerospace power system testing

• Rail traction motor control systems

• High-speed motor test benches

• Research lab power amplifiers

"Filters operating above 60Hz require specialized design to maintain consistent attenuation without core saturation - a critical capability for modern power electronics testing."

– IEEE Transactions on Power Electronics

Installation Guidelines

1. Mount with vibration isolation pads

2. Maintain 150mm clearance for airflow

3. Use 50mm² minimum conductor size

4. Implement shielded twisted-pair control wiring

5. Verify frequency range compatibility before energization

Cyclical Operation Validation

Compliance & Testing

• IEC 61000-4-17 (Ripple immunity)

• EN 50155 (Railway applications)

• MIL-STD-461 (Military EMC)

• IEC 60270 (Partial discharge)

Maintenance Protocol

1. After 100 Cycles: Torque check on terminals (40N·m)

2. Quarterly: Insulation resistance test (>250MΩ at 2.5kV DC)

3. Biannual: Frequency response verification

4. Annual: Partial discharge measurement