In the power systems sector, ensuring the reliability of surge protection devices is crucial for maintaining safety and operational continuity. The series of surge arrestor test devices developed by Wuhan Jindian High Voltage Test Instrument Co., Ltd. meets the growing demands of the industry. These test devices are specifically designed to evaluate the performance of surge arrestors and other protective devices, helping to prevent equipment failures and increase system resilience.
Lightning strikes pose a severe threat to power transmission and distribution systems, often causing insulation breakdown, equipment damage, and large-scale power outages. Lightning protection components-such as surge arresters (metal oxide varistors, MOV), lightning rods, and surge protectors (SPDs)-act as the "first line of defense" by diverting lightning current, limiting overvoltage, and protecting key electrical equipment. However, these components degrade over time due to electrical stress, environmental factors (humidity, pollution), and repeated lightning impacts, reducing their protective effectiveness. The Lightning Protection Component Tester has emerged as an indispensable tool in power system maintenance, enabling accurate detection of component performance and ensuring reliable lightning protection for electrical infrastructure.
Basic functions and technical advantages
The lightning protection component control device is designed to evaluate the basic performance parameters of lightning protection devices and ensure compliance with national and international standards (e.g., IEC 60099-4, GB 11032-2010). Unlike traditional testing methods, which rely on disassembly or off-site laboratory analysis, modern testing devices offer on-site, non-destructive testing with high accuracy and efficiency.
Basic detection parameters
Leakage current (for surge arresters): Measures the small current flowing through the arrester under normal operating voltage. Excessive leakage current indicates deterioration of the arrester or internal defects (e.g., failure of the MOV chip), which can lead to thermal damage during lightning strikes.
DC reference voltage (U1mA): The voltage at which the battery conducts 1mA DC current reflects the battery's insulation resistance. A significant drop in U1mA indicates wear of the MOV chip.
Voltage-current characteristic curve (V-I): Analyzes the non-linear conductance behavior of devices and verifies their ability to limit overvoltage during transient overvoltage.
Spark gap continuity (for traditional surge protectors): Checks whether spark gap-based surge protectors are short-circuited or open-circuited and ensures they engage correctly under overvoltage.
SPD Insertion Loss and Response Time: Evaluate the performance of surge protectors in low-voltage systems to ensure rapid response to transient surges and minimal signal attenuation.
Technical Highlights
High Precision: Equipped with high-sensitivity current/voltage sensors, the tester achieves measurement accuracy of ±1% for leakage current (range: 0.1μA–10mA) and ±0.5% for reference voltage (range: 0–50kV), meeting strict industry requirements.
On-Site Efficiency: Enables non-destructive testing without disassembling equipment, completing a single arrester test in 3–5 minutes. For large substations with dozens of arresters, testing time is reduced by over 70% compared to traditional methods.
Multi-Component Compatibility: Adapts to various lightning protection devices, including 10kV–500kV surge arresters, low-voltage SPDs, and lightning rod down conductors, covering the full range of power system protection components.
Environmental Adaptability: Features a rugged, portable design (weight ≤8kg) with IP65 dust/water resistance and an operating temperature range of -20℃ to 60℃, suitable for outdoor use in mountainous areas, coastal regions, and harsh industrial environments.
Intelligent Data Management: Equipped with a 7-inch color touch screen (Chinese/English interface), stores up to 50,000 test records, and supports USB data export or wireless transmission to cloud maintenance platforms for trend analysis and report generation.
As part of its ongoing commitment to customer support, Goldhome Hipot also provides best practice guidelines for lightning protection system testing and maintenance. This approach helps users maximize the benefits of testing equipment while fostering a culture of safety awareness and emergency preparedness. For users seeking reliable lightning protection component testers, Wuhan Goldhome Hipot Electrical Co., Ltd. offers multiple models suitable for diverse scenarios. With its deep expertise in high-voltage testing equipment, the company has become a trusted partner for power utilities and contractors worldwide.
