Power System 200kV-2000kV High Voltage AC Hipot Tester For Substation / Cable On Site Testing

SXBP Series High Capacity Variable Frequency Series Resonance Test System is designed for high-voltage AC withstand voltage testing of large-capacity primary power equipment. Combining advanced variable frequency resonance technology with a flexible series-parallel reactor structure, it provides efficient and stable high-voltage output for various capacitive loads.

• Flexible Testing Capability for Multiple High Voltage Applications
  Designed for comprehensive AC withstand voltage testing of various high-voltage equipment, including power cables, transformers, GIS, switchgear, generators and motors. The system supports customized configurations to match different voltage levels, capacities and testing standards.
• Modular Design for Easy Installation & Expansion
  Adopts a modular reactor structure that enables flexible combination according to actual test requirements. The compact design simplifies transportation, installation and on-site operation, especially for large-capacity testing projects.
• High-Precision Resonance Control Technology
  Equipped with a digital variable frequency power supply, the system provides accurate frequency adjustment and stable sine wave output, ensuring reliable resonance conditions and consistent test performance.
• Intelligent Protection for Safer Testing
  Integrates multiple protection functions, including overvoltage, overcurrent, overload and abnormal condition monitoring. The system can automatically respond to risks and ensure safe operation during high-voltage tests.
• Automated Testing Process & Data Management
  The intelligent control system supports automatic resonance searching, voltage regulation, test timing and test data recording, reducing manual operation and improving testing efficiency.

• High Voltage Cable Insulation Testing

Designed for AC withstand voltage testing of long-distance XLPE power cables, including 110kV, 220kV and 500kV cable systems. The system provides reliable insulation verification for cable commissioning, acceptance testing and preventive maintenance of power transmission networks.

• GIS & Capacitive Equipment Testing

Suitable for high-voltage GIS equipment, coupling capacitors, CVTs and other capacitive loads requiring high-voltage AC withstand tests. The system delivers stable resonance conditions for insulation performance evaluation of equipment up to 1000kV voltage levels.

• Power Transformer AC Withstand Testing

Applicable for various voltage-grade power transformers, providing stable power frequency AC withstand voltage tests within the 45Hz–65Hz frequency range. It helps verify transformer insulation reliability during factory testing, installation commissioning and routine maintenance.

• Q1:What is a High Voltage Variable Frequency Series Resonance Test System used for?

  A:It is an advanced high voltage testing system designed for AC withstand voltage and insulation performance tests of large-capacity electrical equipment, including power transformers, GIS, high voltage cables, switchgear and other capacitive loads.

• Q2:What voltage and capacity range does the system support?

  A:The system supports a wide testing range from 300kVA to 20000kVA capacity and 200kV to 2000kV output voltage, providing flexible solutions for different high voltage test projects.

• Q3:What is the operating frequency range of the resonance test system?

  A:The variable frequency power supply provides an adjustable output frequency range of 20Hz–300Hz, enabling accurate resonance adjustment according to different test objects and load conditions.

• Q4:Which electrical equipment can be tested with this system?

  A:The system is suitable for transformer AC withstand testing, GIS insulation testing, XLPE cable testing, SF6 circuit breaker testing, bushing testing and other high voltage equipment tests.

• Q5:Can the resonance test system be customized for specific projects?

  A:Yes. The system can be customized based on test voltage, rated capacity, frequency range, reactor configuration and tested equipment requirements to meet different laboratory and field testing conditions.