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1.10KV zinc oxide arrester 17-50.jpg
1.10KV zinc oxide arrester 17-50..jpg

10KV zinc oxide arrester 17/50

A lightning arrester is an overvoltage protector, which is mainly used to protect various electrical equipment (transformers, switches, capacitors, surge arresters, mutual inductors, generators, motors, power cables, etc.) in power systems, railway electrification systems, and communication systems from damage caused by atmospheric overvoltage, operating overvoltage, and power frequency transient overvoltage. It is the basis of insulation coordination of power systems.

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    Product Details

    Model meaning

    Model meaning.jpg

    Product Overview

    Lightning arrester is an overvoltage protector, which is mainly used to protect various electrical equipment (transformers, switches, capacitors, wave arresters, mutual inductors, generators, motors, power cables, etc.) in power systems, railway electrification systems, and communication systems from damage such as atmospheric overvoltage, operating overvoltage, and power frequency transient overvoltage. It is the basis of insulation coordination of power systems. The core component (resistor) of metal oxide lightning arrester adopts a formula mainly based on zinc oxide, which has excellent nonlinear (volt-ampere) characteristics, that is, under normal working voltage, the current passing through is only microamperes. When it is subjected to overvoltage, the current passing through instantly reaches thousands of amperes, making the lightning arrester in the on state and releasing overvoltage energy, thereby effectively limiting the damage of overvoltage to power transmission and transformation equipment.

    Product Introduction

    10KV zinc oxide arrester 17/50 is a key device to protect various electrical systems from overvoltage damage. As an overvoltage protector, this arrester can ensure the service life and reliability of important electrical equipment such as transformers, switches, capacitors and motors.

    10KV zinc oxide arrester 17/50 is designed to reduce the risks associated with atmospheric overvoltage, switching overvoltage and power frequency transient overvoltage. These overvoltages can be caused by natural phenomena such as lightning strikes or by operational anomalies within the power system. Arrester plays a vital role in insulation coordination, which is essential to maintain the integrity of power systems, railway electrification systems and communication networks.

    The core component of the 10KV zinc oxide arrester 17/50 is its resistor sheet, which is mainly composed of zinc oxide. This material is known for its excellent nonlinear volt-ampere characteristics. Under normal operating conditions, the current flowing through the arrester remains at the microampere level, ensuring that electrical equipment operates efficiently and without interference. However, when an overvoltage event occurs, the arrester reacts immediately. The current surges to thousands of amperes, causing the arrester to turn on. This fast response allows the arrester to effectively dissipate the overvoltage energy, thereby protecting the connected equipment from potential damage.

    Technical Standards

    The standards for product production are GB11032-2010 (EQVIEC60099-4:2006) "AC gapless metal oxide arresters" and JB/8952-2005 "Composite jacket gapless metal oxide arresters for AC systems".