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10 kV Zinc Oxide Surge Arrester from China Suppliers - Reliable Protection from Overvoltage | Factory Direct
Product Overview
The 10 kV zinc oxide arrester (model 17/50) is a core protective device designed to shield various electrical systems from overvoltage damage. As a professional overvoltage protector, it plays a crucial role in ensuring the service life and operational reliability of key electrical equipment such as transformers, switches, capacitors, and motors. Its core function is to mitigate the risks posed by atmospheric overvoltage (e.g., caused by lightning strikes), operating overvoltage, and power frequency transient overvoltage (resulting from power system operational anomalies). By participating in the insulation coordination of electrical systems, this arrester effectively maintains the integrity and stable operation of power systems, railway electrification systems, and communication networks.
Product Performance
Excellent Core Material Performance
The core component is zinc oxide resistor sheet, which has outstanding nonlinear volt-ampere characteristics, laying a solid foundation for reliable operation.
Stable Normal Operation
Under normal conditions, the operating current is controlled at microampere level, ensuring no interference with the efficient operation of connected electrical equipment.
Rapid Overvoltage Response
It responds instantly to overvoltage. The current surges to thousands of amperes quickly, enabling rapid conduction and timely dissipation of overvoltage energy.
Reliable Protection Effect
It effectively suppresses overvoltage in time, avoiding damage to electrical equipment and ensuring the safe operation of the electrical system.
Applicable Scenarios
Based on its excellent overvoltage protection performance and compatibility with various electrical systems, the 10 kV zinc oxide arrester (model 17/50) is widely applicable to multiple fields. In power systems, it can be installed in substations, distribution networks, and power transmission lines to protect transformers, switches, mutual inductors, generators, and power cables. In railway electrification systems, it is used to safeguard the electrical components of railway power supply lines and locomotives, ensuring the stable operation of railway transportation. In communication systems, it protects communication power supply equipment and signal transmission equipment from overvoltage damage, maintaining the smoothness of communication networks. Additionally, it is also suitable for industrial and mining enterprises, high-rise buildings, and other places with 10 kV electrical systems that require overvoltage protection.
Frequently Asked Questions
Q What is the primary function of the 10 kV zinc oxide arrester (model 17/50)?
Its primary function is to act as a protective device shielding transformers, switches, capacitors, and motors from overvoltage damage caused by lightning strikes, system operation switching, and power frequency transient anomalies.
Q How does the arrester behave during normal operating conditions?
Under normal voltage conditions, the operating current through the zinc oxide arrester is strictly controlled at a microampere level, ensuring uninterrupted and efficient operation of connected equipment.
Q What makes the zinc oxide resistor sheet an ideal core material?
The zinc oxide resistor sheet features outstanding non-linear volt-ampere characteristics. This allows it to act as an insulator under normal operating voltage and rapidly become highly conductive when exposed to high overvoltages.
Q How fast is the response time when an overvoltage surge occurs?
The arrester responds instantly to overvoltage spikes. Current quickly surges to thousands of amperes, enabling rapid conduction to dissipate energy harmlessly to the ground before equipment damage occurs.
Q Which industries and applications benefit from this arrester?
It is extensively used across power distribution networks and substations, electrified railway power supply systems and locomotives, communication power and signal transmission systems, as well as industrial plants and high-rise buildings utilizing 10 kV systems.
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