UHV(V) Lightning Impulse Test System

• 1、The circuit has small inductance and adopts the filter measure with resistance, which can produce standard shock wave under the load of large capacitance and large load capacity.

• 2、High voltage utilization factor, lightning wave and operating wave are not less than 85% and 80% respectively.

• 3、Easy to adjust wave, easy to operate, good synchronization performance, reliable operation.

• 4、Constant current charging automatic control technology, high degree of automation, strong anti-interference ability.

• 1、Generation of Impulse Voltages: The system produces lightning impulse full waves (1.2/50μs), lightning impulse chopping waves (2-6μs), and operating impulse voltage waves to simulate real-world overvoltages. It can also generate user-defined, non-standard waveforms.

• 2、High-Voltage Output: It offers a wide charging voltage range, from 10.0kV up to 100.0kV (and higher in available configurations as listed in the specifications) with high setting resolution (0.1kV) and stability (deviation and instability ≤±1%). The system's energy rating varies by model (e.g., 5kJ to 80kJ).

• 3、Automated Control: The system features constant current charging automatic control technology. It includes configurable overcurrent and overvoltage protection, as well as dynamic charge protection. The charging time (30-180s) and the number of impulses (1-999) are user-presettable.

• 4、Waveform Adjustment: Designed with low circuit inductance and resistance-based filtering, the system allows for easy wave shape adjustment, enabling the production of standard impulse waveforms even under large capacitive loads. The high voltage utilization factor for lightning waves (≥85%) and operating waves (≥80%) ensures efficient operation.

• 5、Reliable and Synchronized Operation: The system provides good synchronization performance and reliable operation, with an output impulse stability greater than 99%. It can be equipped with a chopping (truncation) device for generating chopped waves and is compatible with oscilloscopes or acquisition cards for waveform capture.

• 1、High Flexibility: A single system can generate multiple standard and non-standard impulse waveforms, making it suitable for various testing requirements across different equipment types (transformers, cables, insulators, etc.).

• 2、Excellent Performance: The low inductance circuit, high voltage utilization factor, and output stability (>99%) ensure the efficient generation of high-quality, reproducible impulse voltages for reliable test results.

• 3、Ease of Use: The automatic control technology, simple wave adjustment, and robust synchronization make the system user-friendly and suitable for repetitive testing, reducing operator workload.

• 4、Modular and Customizable: The system is offered in numerous configurations (e.g., 100kV/5kJ, 800kV/80kJ) with options for chopping devices and measurement systems. This allows users to select a setup that precisely matches their specific voltage, energy, and waveform requirements.

• 1、Power Equipment Manufacturers: For type testing and quality control of transformers, reactors, instrument transformers, high-voltage switches, insulators, bushings, and power cables.

• 2、Utilities and Substations: For commissioning and diagnostic testing of in-service equipment to ensure grid reliability.

• 3、High-Voltage Testing Laboratories and Research Institutes: For performing standard compliance tests (e.g., IEC 60060-1) and conducting research on insulation materials and designs.

• 4、Specialized Industries: For lightning protection and surge testing in railway communications, aerospace, military research, and meteorological departments.

• 1、What is a lightning impulse test and why is it performed?
  Iightning impulse test is a high-voltage test that simulates the effects of a lightning strike or switching surge on electrical equipment. It is performed to verify that the equipment's insulation can withstand these extreme transient overvoltages without failing, ensuring the safety and reliability of the power system.
• 2、How does the system ensure test accuracy and stability?
  The system maintains high accuracy through precise charging voltage setting (deviation ≤±1%), high voltage utilization, and a very stable output impulse (stability >99%). The low inductance circuit design also contributes to generating standard waveforms, reducing distortion.
• 3、What safety and protection features are included?
  The system includes configurable overcurrent and overvoltage protection, dynamic charge protection, and an alarm delay. The constant current charging and automatic control features also contribute to safe and reliable operation.
• 4、What are the key considerations for selecting the right model?
  consider the need for special waveforms (e.g., chopping waves) and the required measurement and control features. define your precise requirements (voltage, waveform, energy, load capacitance) is essential for choosing the optimal configuration.

Enterprise products in strict accordance with international and national standards and rules of industry production, through the national, provincial and municipal electric power research institute and electric power authorities detection, measuring center, fully passed the ISO9001 international quality management system certification, the licence for manufacturing measuring instruments of the People's Republic of China, GB/T19001-2016 quality management system requirements, GB/T24001-2016 environmental management system requirements, GB/T45001-2020 occupational health and safety management system requirements.

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