400kV 20kJ Impulse Voltage Generator Lightning Test System For Switchgear
SXCF Lightning Impulse Generator
The 400kV Lightning Impulse Generator is a professional high voltage test system designed for evaluating the insulation performance of transformers and electrical equipment under lightning impulse conditions. The system generates standard 1.2/50μs lightning impulse voltage waveform to simulate transient overvoltage events in power systems and verify equipment withstand capability.
Based on advanced Marx generator technology, this lightning impulse voltage test equipment features stable output performance, accurate waveform control, and reliable operation. With a rated nominal voltage of ±400kV and 20kJ impulse energy, it is suitable for high voltage laboratories, transformer manufacturers, and power equipment testing organizations.
The system adopts a multi-stage structure with high-performance impulse capacitors, providing flexible configuration and efficient charging performance. Digital control technology enables accurate operation, test monitoring, and waveform analysis, helping engineers identify potential insulation weaknesses before equipment is installed and operated.
Designed for professional high voltage testing applications, the 400kV Lightning Impulse Generator provides a reliable solution for transformer insulation testing, electrical equipment qualification, and power system safety verification.
| Parameter | Specification |
|---|---|
| Rated Nominal Voltage | ±400 kV |
| Rated Stage Voltage | ±100 kV |
| Rated Energy | 20 kJ |
| Number of Stages | 4 Stages |
| Stage Capacitance | 1.0 μF |
| Total Impulse Capacitance | 0.25 μF |
| Standard Impulse Waveform | 1.2/50 μs Lightning Impulse Voltage Waveform |
| Charging Voltage Stability | < ±1% |
| Full Capacity Charging Time | 180 s |
| Testing Application | Transformer and High Voltage Electrical Equipment Insulation Testing |
The 400kV Lightning Impulse Generator is widely used for transformer impulse testing, high voltage insulation testing, and electrical equipment performance verification. It is suitable for testing power transformers, switchgear, GIS, cables, and other high voltage components.
This system is commonly installed in high voltage laboratories, research institutes, and power equipment manufacturers to evaluate insulation reliability and ensure equipment can withstand lightning impulse stress during operation.
High Voltage Testing Capability
Provides ±400kV impulse voltage output for demanding insulation withstand tests.
Standard Impulse Waveform Generation
Generates 1.2/50μs lightning impulse waveform for accurate test evaluation.
Stable and Reliable Performance
High precision charging control ensures consistent testing results.
Flexible Multi-Stage Design
Marx generator structure supports different testing requirements and configurations.
Professional Safety Design
Designed with reliable protection functions for safe high voltage operation
Q1: What is the main function of the Lightning Impulse Generator?
A: It is used to test insulation strength of transformers and high voltage electrical equipment.
Q2: What is the maximum output voltage of this system?
A: The rated nominal voltage is ±400kV.
Q3: What waveform does the generator produce?
A: It produces a standard 1.2/50μs lightning impulse voltage waveform.
Q4: Which equipment can be tested?
A: It can test transformers, GIS, switchgear, cables, and other high voltage equipment.
Q5: What technology is used in this generator?
A: It uses a multi-stage Marx impulse generator structure.
Q6: Can the system be customized?
A: Yes, voltage level and energy capacity can be customized according to testing requirements.
Q7: Where is this equipment mainly used?
A: It is mainly used in high voltage laboratories, testing centers, and transformer factories.
Q8: Why is lightning impulse testing important?
A: It helps detect insulation defects and improves the reliability of power equipment.
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