High Capacity Variable Frequency 1000kV High Voltage Test Equipment For CVT / SF6 Circuit Breaker Testing

The SXBP Series High Capacity Variable Frequency Series Resonance Test System is developed for efficient and reliable AC withstand voltage testing of high-voltage and large-capacity power equipment. By integrating advanced variable frequency control technology with a flexible series-parallel reactor configuration, the system delivers stable high-voltage output and accurate resonance performance under various capacitive load conditions.

Designed for demanding power system applications, the system provides a versatile testing solution for transformers, GIS, high-voltage cables, switchgear and other primary equipment. Its flexible configuration, excellent load adaptability and intelligent control capabilities make it suitable for factory testing, field commissioning and preventive maintenance of high-voltage electrical systems.

• Versatile Solutions for Diverse High Voltage Testing

Designed for a wide range of high voltage AC withstand voltage tests, the system is suitable for transformers, GIS, high voltage cables, switchgear, generators, motors and other capacitive electrical equipment. Flexible system configurations allow users to meet different voltage levels, capacity requirements and testing conditions.

• Modular Structure for Flexible Deployment

The modular reactor design enables easy transportation, installation and system configuration. Reactor units can be combined according to different test voltage, load capacity and application requirements, providing greater flexibility for both laboratory testing and on-site commissioning.

• Accurate Resonance Regulation & Stable Output

Equipped with advanced variable frequency control technology, the system provides precise frequency adjustment and high-quality sine wave output. It ensures stable resonance conditions, reliable voltage boosting performance and accurate test results under various load conditions.

• Comprehensive Safety Protection System

The system integrates multiple intelligent protection functions, including overvoltage, overcurrent, overload and abnormal condition monitoring. Automatic protection responses help prevent equipment damage and ensure safe operation throughout the high-voltage testing process.

• Intelligent Automation for Efficient Testing

The intelligent control system supports automatic resonance searching, voltage regulation, test timing and data recording. By reducing manual operation steps, it improves testing efficiency, simplifies operation procedures and enhances the reliability of test data management.

• Q1:What applications is the High Voltage Variable Frequency Series Resonance Test System designed for?

  A:The system is mainly used for high voltage AC withstand voltage testing and insulation verification of large-capacity power equipment. It provides reliable testing solutions for transformers, GIS, high voltage cables, switchgear and other capacitive electrical equipment.

• Q2:What are the available voltage and capacity ranges of this resonance test system?

  A:The system is available with flexible configurations from 300kVA to 20000kVA capacity and 200kV to 2000kV rated voltage, allowing users to select suitable solutions according to different power equipment testing requirements.

• Q3:How does the variable frequency technology improve the testing process?

  A:The built-in variable frequency power supply enables a wide frequency adjustment range of 20Hz–300Hz, helping the system achieve accurate resonance conditions for different load characteristics while maintaining stable high-voltage output.

• Q4:What types of equipment can be tested by this high voltage resonance system?

  A:It is suitable for a wide range of high voltage equipment tests, including:

  • Power transformer AC withstand tests
  • GIS insulation withstand tests
  • XLPE cable commissioning and insulation tests
  • SF6 circuit breaker tests
  • Bushing and capacitive equipment tests

• Q5:Why choose a variable frequency resonance test system for high voltage testing?

  A:Compared with conventional AC high voltage testing methods, the resonance system offers better adaptability for large capacitive loads, lower power requirements and more stable test performance, making it ideal for high voltage power equipment testing.