The XHBP series variable frequency resonant test device is an integrated testing solution consisting of core components: variable frequency control power supply, excitation transformer, reactor and capacitive voltage divider. Its flexible design allows the connection of a rectifier silicon stack post capacitive voltage divider, enabling seamless DC withstand voltage testing for various equipment.

• Space-saving & portable reactors: Same voltage class and capacity with reduced volume and weight for easy handling.
• Low heat generation under rated load, ensuring long-term stable operation.
• Advanced dry-type epoxy casting process delivers exceptional mechanical strength and reliable electrical insulation.
• High-performance VF control power supply: Abundant capacity margin, comprehensive protection functions, perfect sine wave output and consistent stability.
• User-friendly operation with multiple customizable working modes to fit diverse testing demands.
• Convenient on-site power supply via universal 220V or 380V single-phase power input.

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