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
- Variable Frequency Resonance Technology
Uses variable-frequency series resonance technology to generate high-voltage AC output with controlled frequency and stable test conditions.
- 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.
- Large Capacity Testing
Rated capacity ranges from 300 kVA to 20,000 kVA, allowing the system to handle large-capacity electrical equipment.
- Wide Frequency Output
The output frequency can be adjusted from 20 Hz to 300 Hz, providing flexible testing conditions for different equipment.
- 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
| Parameter |
Specification |
| Product Type |
Variable Frequency Series Resonance Test System |
| Rated Capacity |
300 kVA – 20,000 kVA |
| Rated Voltage |
200 kV – 2,000 kV |
| Rated Current (HV Side) |
1 A – 100 A |
| Input Power Supply |
380 V, 50/60 Hz |
| System Q Factor |
Q ≥ 50 |
| Output Frequency |
20 – 300 Hz |
| Output Voltage Waveform |
Sine Wave |
| Waveform Distortion |
≤ 1% |
| Frequency Adjustment Resolution |
0.1 Hz |
| Frequency Stability |
≤ 0.05% |
| Applicable Standard |
DL/T 849.6-2004; GB 50150-2016 |
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
