Power Frequency AC Hipot Tester High Voltage Test Transformer Equipment AC Dielectric Withstand Tester for HV Electrical Equipment Testing

The YDJ Power Frequency Withstand Voltage Test Device is an integrated high-voltage testing system designed to evaluate the insulation strength of electrical equipment, components, and insulating materials. The complete system consists of a Transformer Control Cabinet/Console and a High-Voltage Test Transformer, which can be flexibly configured according to different testing requirements.

The equipment supports power-frequency AC withstand voltage tests and DC high-voltage tests, making it suitable for a wide range of applications in power utilities, electrical manufacturing plants, industrial and mining enterprises, research institutions, railways, and high-voltage testing laboratories.

• Flexible System Configuration: Complete specifications and excellent compatibility allow the control unit and test transformer to be freely combined according to different testing requirements.
• Compact & Practical Structure: Advanced circuit and structural design provides a compact configuration while maintaining convenient operation and reliable performance.
• AC/DC Dual-Purpose Testing: Supports both AC and DC withstand voltage tests with a lightweight, flexible design for laboratory and on-site applications.
• Expandable Test Voltage: One transformer can be operated independently, while multiple units can be connected in series to achieve higher output test voltages.
• Various Control Options: Manual, electric, fully automatic, and industrial PC control modes are available to accommodate different testing preferences.
• Convenient Data Management: Optional thermal printer, USB communication, and PC software interface enable test data recording, storage, transfer, and export.
• Multiple Insulation Configurations: Available in oil-immersed, epoxy resin dry-type, SF₆ gas-insulated, and corona-free configurations for different working environments.

• Commissioning & Preventive Testing: Applicable to hand-over acceptance and preventive withstand-voltage testing for power supply utilities, substations and related electrical installations.
• HV Equipment Insulation Testing: Designed for insulation withstand-voltage tests on high-voltage switchgear, power transformers, instrument transformers, surge arresters, power cables and other HV equipment.
• Factory & Type Testing: Suitable for type and routine withstand-voltage tests of insulating materials, HV components and electrical products during manufacturing.
• Industrial Equipment Maintenance: Used for periodic maintenance and insulation assessment of high-voltage equipment in power plants, metallurgy, mining, railway systems and other industrial facilities.
• Research & Education: Provides a practical solution for high-voltage insulation performance studies and electrical testing carried out by research institutions, laboratories and universities.