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10 kV Zinc Oxide Surge Arrester - Top China Suppliers & Reliable Factory for Overvoltage Protection Solutions
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 — ensuring the reliability and service life of critical electrical equipment.
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
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Excellent Core Material Performance
The core component is a 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.
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
Safeguards the electrical components of railway power supply lines and locomotives, ensuring 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 & Commercial
Suitable for industrial and mining enterprises, high-rise buildings, and other places with 10 kV electrical systems that require overvoltage protection.
Frequently Asked Questions
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What is the main function of the 10 kV zinc oxide arrester (model 17/50)?
The main function is to protect electrical equipment from overvoltage damage, including atmospheric overvoltage caused by lightning strikes, operating overvoltage, and power frequency transient overvoltage. It ensures the safe and stable operation of power systems, railway electrification systems, and communication networks.
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What type of equipment can the 10 kV zinc oxide arrester protect?
It is designed to protect a wide range of electrical equipment, including transformers, switches, capacitors, motors, mutual inductors, generators, power cables, communication power supply equipment, and signal transmission equipment.
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Why is zinc oxide used as the core material in this arrester?
Zinc oxide resistor sheets possess 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, the current rapidly surges to thousands of amperes, enabling fast energy dissipation and effective protection.
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In which industries is the 10 kV zinc oxide arrester commonly used?
This arrester is widely used across multiple industries, including power utilities (substations, distribution networks, transmission lines), railway electrification systems, telecommunications and communication networks, industrial and mining enterprises, and commercial high-rise buildings with 10 kV electrical systems.
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How does the arrester respond during an overvoltage event?
When an overvoltage event occurs, the arrester responds instantly. The current through the zinc oxide resistor sheet surges from the normal microampere level to thousands of amperes, rapidly conducting and dissipating the overvoltage energy to protect connected electrical equipment from damage.
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What role does the 10 kV zinc oxide arrester play in insulation coordination?
By participating in the insulation coordination of electrical systems, the arrester helps balance and manage the voltage stress across different components. This ensures that the insulation levels of equipment are not exceeded during overvoltage events, thereby maintaining the integrity and long-term reliability of the entire electrical system.
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