XHBP series variable frequency resonant test device comprises variable frequency control power supply, excitation transformer, reactor and capacitive voltage divider as main parts. A rectifier silicon stack connected after the capacitive voltage divider enables DC withstand voltage testing of equipment.

• Compact and lightweight reactors for the same voltage and capacity rating.
• Low temperature rise under rated load.
• Dry-type epoxy casting for high mechanical strength and good electrical insulation.
• Variable frequency control power supply with large capacity margin, powerful protection, high-quality output waveform and stable performance.
• Easy operation with multiple working modes.
• Convenient on-site power access via 220V or 380V single-phase power.

• Rated output voltage: 500kV max (AC RMS)
• Output frequency: 20 to 300Hz
• Resonant voltage waveform: Pure sine wave, distortion rate <1.0%
• Test capacity: 1000kVA max
• Full-power continuous operation: 60 minutes
• Quality factor: 30 to 90
• Frequency regulation: 0.1Hz sensitivity, <0.05% instability
• Working power: 380/220V±15%, 50Hz±5%