In the process of modern electrical product research and production, insulation performance and transient overvoltage tolerance capacity are the two core indicators for evaluating the safety performance of electrical products. The small impulse voltage generator is a highly integrated and portable high-voltage testing device specifically used for the safety performance testing of electrical products. The device can simulate the 1.2/50μs standard impulse voltage wave generated by natural lightning strikes and power grid switch operations, and conduct dielectric strength tests on various low-voltage electrical equipment to verify the high-voltage tolerance capacity and usage safety of the products.
1. Core application fields: Building the foundation for 3C certification of electrical products
The small impulse voltage generator is a core testing device for low-voltage electrical products to pass China’s compulsory product certification and smoothly enter the market. Its application scenarios cover the entire electrical industry chain and are suitable for the performance testing requirements of various power terminal products.
1. Low-voltage complete sets and distribution equipment
Power distribution boxes, distribution boards, control boxes, control consoles, and various high and low voltage switch equipment used in construction projects all need to undergo impulse voltage tests. By simulating the overvoltage conditions of lightning strikes, it can effectively verify the safety isolation performance and overvoltage protection capability of such distribution equipment, ensuring the stable operation of the distribution system.
2. New energy industry equipment
With the promotion of the dual-carbon strategy, the demand for lightning resistance and voltage withstand testing of electrical equipment in the new energy field continues to increase. This device can be used for insulation voltage withstand tests of charging facilities for electric vehicles and anti-lightning performance tests of photovoltaic components, inverters, and other core equipment in the new energy sector, effectively verifying the long-term operational reliability of new energy equipment in complex and harsh outdoor conditions.
3. Terminal electrical appliances and components
All types of civilian and general electrical terminal products and basic components need to undergo impulse voltage tests. This includes household appliances such as refrigerators and air conditioners, as well as core electrical components such as electricity meters, relays, and leakage protection devices. Through standardized testing, it can avoid voltage surges causing equipment failures, electric shock, and fires, ensuring the safety of daily electricity use.
4. Industrial electrical and infrastructure
In industrial automation scenarios, this device can complete insulation strength tests for motor, industrial control equipment, wires and cables, etc. It is also widely applicable to infrastructure fields such as rail transit, postal and telecommunications, and can conduct voltage withstand tests for lightning discharge tubes, signal systems, and power systems, ensuring the safety and stable operation of industrial and public infrastructure electrical systems.
2. Typical application scenarios: Covering the entire product life cycle testing
The detection function of the small impulse voltage generator runs through the entire process of electrical product research and development, production, and quality certification, and is suitable for different stages of detection standards and requirements.
1. R&D laboratory (product development stage)
Relying on the device’s programmable control function, different voltage levels such as 2kV, 4kV, and 6kV can be set through the terminal, and positive and negative voltage polarities can be combined for combined tests. Technicians can accurately determine the insulation tolerance limit of the product through the test results, optimize the core structural design of the product’s electrical clearance and creepage distance, and complete the product’s development and finalization.
2. Production line (routine inspection stage)
The device is equipped with intelligent automatic determination function and can be applied to the end product inspection on the production line. By applying standard pulse high voltage to each finished product and combining discharge current size, voltage attenuation degree, etc., it can automatically determine whether the product has a breakdown problem and quickly determine the product’s qualified status, achieving efficient and comprehensive online factory inspection.
3. Metrology and quality inspection institutions (certification testing stage)
The device has high detection accuracy and fully complies with IEC and national GB related testing standards. It is the core testing device for third-party quality inspection and metrology institutions. It can rely on standardized testing data to issue authoritative testing reports, providing core data support for the mandatory certification of electrical products.
3. Technical advantages and intelligent features The new generation of small-scale impulse voltage generators has overcome the shortcomings of traditional equipment, such as being bulky, having cumbersome operation and having limited functions. It features high integration and intelligence, with greatly improved operational convenience and detection stability.
1. Flexible multi-mode operation, stable operation
The equipment is equipped with three operation modes: manual, automatic and program-controlled. It is suitable for different detection scenarios. The automatic mode is equipped with an automatic constant voltage system. No matter what test interval is adjusted, the output voltage value can be highly stable, avoiding the influence of voltage fluctuations on detection accuracy.
2. Integrated multi-functionality
The equipment adopts a positive and negative dual high-voltage source design. The voltage polarity switching is fast, smooth and without fluctuations. At the same time, it integrates both DC and impulse output functions. With this one machine, various withstand voltage and lightning strike testing requirements can be met, achieving multi-function reuse.
3. Intelligent detection and data interoperability
The equipment is equipped with a touch screen and a liquid crystal display interface, making the operation intuitive and convenient. It is equipped with USB and 485 communication interfaces and supporting programs. It can automatically execute multiple sets of standardized test sequences, achieving visual display of test waveforms, automatic recording of test data, and rapid printing of test reports. At the same time, it can be connected to an external oscilloscope through the voltage division interface to accurately and precisely monitor the output waveform, ensuring the authenticity and accuracy of the detection data.
Post time: May-28-2026