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10 kV Zinc Oxide Surge Arrester - Reliable Protection from Overvoltage | China Suppliers and Factory
Product Overview
⚡ The 10 kV Zinc Oxide Arrester (Model 17/50) — A core protective device engineered to shield electrical systems from overvoltage damage.
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
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Excellent Core Material PerformanceThe 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 OperationUnder 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 ResponseIt 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 EffectIt 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 Systems
Used to safeguard 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 & Commercial Buildings
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
Q1
What is the primary function of the 10 kV zinc oxide arrester (model 17/50)?
The primary function is to protect electrical equipment such as transformers, switches, capacitors, and motors from overvoltage damage caused by lightning strikes, switching operations, and power system anomalies, ensuring safe and reliable operation of electrical systems.
Q2
What types of overvoltage can this arrester protect against?
It is designed to mitigate three main types of overvoltage: atmospheric overvoltage (such as lightning strikes), operating overvoltage (caused by switching operations), and power frequency transient overvoltage (resulting from power system operational anomalies).
Q3
Why is zinc oxide used as the core material in this arrester?
Zinc oxide resistor sheets possess outstanding nonlinear volt-ampere characteristics. Under normal voltage conditions, they conduct only microampere-level current. When overvoltage occurs, the current surges to thousands of amperes instantly, enabling rapid energy dissipation and reliable protection.
Q4
In which industries and applications is this arrester commonly used?
It is widely used in power systems (substations, distribution networks, transmission lines), railway electrification systems, communication systems, as well as industrial and mining enterprises and high-rise buildings where 10 kV electrical systems require overvoltage protection.
Q5
Does the arrester affect normal electrical equipment operation under standard conditions?
No. Under normal operating conditions, the arrester maintains a microampere-level current, which means it does not interfere with the normal and efficient operation of connected electrical equipment. It only activates when overvoltage is detected.
Q6
How does this arrester contribute to the insulation coordination of electrical systems?
By rapidly clamping and dissipating overvoltage energy, the arrester works as part of the overall insulation coordination strategy. It ensures that the voltage levels across connected equipment remain within safe limits, thereby maintaining the integrity and long-term stability of the entire power system.
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