High Voltage Test System for 220kV Power Transformers, GIS, Circuit Breakers, CT

Product Overview

The SXBP Variable Frequency Series Resonance Test System is a high-voltage AC withstand testing solution designed for large-capacity and high-voltage electrical equipment. By utilizing variable-frequency series resonance technology, the system provides stable and controllable high-voltage output for insulation withstand tests.

The system is particularly suitable for testing power transformers, GIS, SF6 circuit breakers, CVTs, high-voltage cables and other high-voltage electrical equipment. Its modular configuration allows the test system to be matched to different voltage and capacity requirements.

With a wide output frequency range of 20–300 Hz, the SXBP system can meet various AC withstand testing requirements while maintaining a high-quality sinusoidal output waveform.

The system can be configured for both factory testing and on-site commissioning, making it suitable for power utilities, substations, transformer manufacturers, testing laboratories and electrical engineering projects.

Key Features

1. Variable Frequency Resonance Technology
   Uses variable-frequency series resonance technology to generate high-voltage AC output with controlled frequency and stable test conditions.
2. Wide Testing Voltage Range
   The system can be configured for rated test voltages from 200 kV up to 2000 kV, supporting demanding high-voltage insulation tests.
3. Large Capacity Testing
   Rated capacity ranges from 300 kVA to 20,000 kVA, allowing the system to handle large-capacity electrical equipment.
4. Wide Frequency Output
   The output frequency can be adjusted from 20 Hz to 300 Hz, providing flexible testing conditions for different equipment.
5. High-Quality Sine Wave Output
   The output voltage waveform is a sine wave with waveform distortion of ≤1%, helping provide stable and reliable test conditions.

Typical Applications

• 110 kV, 220 kV and 500 kV power cables
• High-voltage and extra-high-voltage cables
• GIS and SF6 gas-insulated equipment
• Power transformers
• High-voltage circuit breakers
• Current transformers and voltage transformers
• Capacitive voltage transformers (CVT)
• Insulation components
• Other high-voltage electrical equipment

Technical Specifications

FAQ

1. What is the SXBP Variable Frequency Series Resonance Test System?
The SXBP Variable Frequency Series Resonance Test System is a high-voltage AC withstand testing system designed to generate stable high-voltage output through variable-frequency series resonance technology. It is mainly used for insulation withstand testing of large-capacity and high-voltage electrical equipment.

2. What equipment can be tested with the SXBP system?
The system is suitable for AC withstand testing of:

• Power cables
• GIS and SF6 gas-insulated equipment
• Power transformers
• High-voltage circuit breakers
• Current transformers and voltage transformers
• Capacitive voltage transformers (CVT)
• Other high-voltage electrical equipment