High Energy Lightning Impulse Voltage Generator Impulse Withstand Test System

The SXCY Series is a versatile impulse voltage test system for simulating lightning and switching overvoltages in high-voltage electrical equipment.

It performs lightning impulse full-wave, chopped-wave, and switching impulse tests and supports eight waveform types, covering standard lightning and switching impulses, oscillating impulses, steep-front waves for insulators, and transformer induced switching waves.

The system is designed according to relevant Chinese and IEC standards, making it suitable for electrical manufacturers, power departments, laboratories, and scientific research institutions.

• Designed for demanding high-voltage impulse testing, the system combines a complete test assembly with broad voltage-grade coverage. The optimized low-inductance return circuit helps reduce waveform distortion, while the band-stop filtering structure maintains the required impulse waveform when testing high-capacitance loads.
• The system provides high voltage utilization and convenient waveform adjustment, together with precise synchronization and stable operation. Its automatic constant-current charging control simplifies the charging process and improves system immunity to interference.
• A digital waveform analysis system and online microcomputer processing platform are also integrated to support accurate and efficient impulse voltage testing.

From power transformers and bushings to HV cables, insulators, surge arresters, switchgear and CT/PT, the system covers a broad range of high-voltage test applications. It is suitable for laboratory testing, independent verification, factory quality control and power grid research, supporting both type tests and routine factory tests.

1. How do I select the right Impulse Voltage Generator?

   The most important factors are the required test voltage, test object, test-object capacitance, impulse energy and required waveform. These parameters determine the appropriate generator configuration.

2. What information is needed for an equipment quotation?

   To recommend a suitable system, please provide:

   Test Object + Rated Voltage + Required Test Voltage + Capacitance + Impulse Energy + Test Standard

   Laboratory dimensions and available power supply information are also useful for complete system design.

3. Is a higher voltage rating always better?

   Not necessarily. The generator should be selected according to the actual test requirements. An unnecessarily high voltage rating may increase system size, cost and laboratory requirements.

4. How many stages do I need?

   The required number of stages depends mainly on the maximum impulse voltage and the voltage utilization of the generator. Engineers should determine the stage configuration based on the complete test specification.

5. How do I determine the required impulse energy?

   Impulse energy depends on the generator configuration and the electrical characteristics of the test object. Large-capacity test objects generally require an impulse generator with sufficient energy and load capability.