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10 kV Zinc Oxide Surge Arrester from China Suppliers - Reliable Protection for Electrical Equipment Factory
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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.
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Product Performance
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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.
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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.
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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.
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Reliable Protection Effect
It effectively suppresses overvoltage in time, avoiding damage to electrical equipment and ensuring the safe operation of the electrical system.
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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.
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Power Systems Installed in substations, distribution networks, and power transmission lines to protect transformers, switches, mutual inductors, generators, and power cables.
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Railway Electrification Systems Safeguards the electrical components of railway power supply lines and locomotives, ensuring the stable operation of railway transportation.
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Communication Systems Protects communication power supply equipment and signal transmission equipment from overvoltage damage, maintaining the smoothness of communication networks.
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Industrial, Mining & High-Rise Buildings Also suitable for industrial and mining enterprises, high-rise buildings, and other places with 10 kV electrical systems that require overvoltage protection.
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Frequently Asked Questions
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What is the primary function of the 10 kV zinc oxide arrester (model 17/50)?
The primary function is to protect electrical equipment โ such as transformers, switches, capacitors, and motors โ from damage caused by atmospheric overvoltage (e.g., lightning strikes), operating overvoltage, and power frequency transient overvoltage. It ensures the stable and reliable operation of connected electrical systems.
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What makes zinc oxide the preferred core material for this arrester?
Zinc oxide resistor sheets exhibit outstanding nonlinear volt-ampere characteristics. Under normal operating conditions, they allow only microampere-level current to pass, causing no interference to connected equipment. During overvoltage events, they instantly conduct thousands of amperes to dissipate excess energy, making them ideal for reliable overvoltage protection.
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In which electrical systems can the 10 kV zinc oxide arrester be installed?
This arrester is suitable for a wide range of systems, including power systems (substations, distribution networks, transmission lines), railway electrification systems, communication systems, industrial and mining enterprises, and high-rise buildings โ anywhere with a 10 kV electrical system requiring overvoltage protection.
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How quickly does the arrester respond to an overvoltage event?
The arrester responds instantly to overvoltage conditions. The current surges to thousands of amperes within microseconds, enabling rapid conduction and timely dissipation of overvoltage energy to protect downstream equipment effectively.
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Does the arrester affect the normal operation of connected electrical equipment?
No. Under normal operating conditions, the arrester maintains its current at the microampere level, which is negligibly small and causes absolutely no interference with the efficient and stable operation of any connected electrical equipment.
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How does this arrester contribute to insulation coordination in power systems?
By clamping overvoltage levels within safe limits, the 10 kV zinc oxide arrester plays a key role in insulation coordination. It ensures that the insulation levels of all connected equipment are not exceeded during transient overvoltage events, thereby maintaining the integrity and long-term reliability of the entire power system, railway electrification network, and communication infrastructure.
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