Comparison of lightning arrester and lightning rod (lightning arrester manufacturer)

Concept difference:

Lightning arrester is an electrical appliance used to protect electrical equipment from high transient overvoltage hazards and limit the freewheeling time and often limit freewheeling assignment; lightning rods, also known as lightning rods, are used to protect buildings, tall trees, etc. Lightning device.

Type difference:

Lightning rods mainly include direct-strike lightning rods, special lightning rods, and pre-discharge lightning rods, etc.; lightning arresters are divided into metal oxide arresters, line type metal oxide arresters, gap line type metal oxide arresters, gapless line type metal oxide arresters, and full Insulating composite jacket metal oxide arrester, detachable arrester, etc.

Difference in scope of application:

Lightning arresters are suitable for overvoltage protection of transformers, power transmission lines, distribution panels, switch cabinets, power metering boxes, vacuum switches, parallel compensation capacitors, rotating electrical machines and semiconductor devices.

Principle difference:

The lightning protection of the lightning rod is that it can lead the lightning from above the protection to itself and safely leak into the earth through itself. Therefore, its lightning performance and discharge performance are very important; the role of the lightning arrester is to protect the power system All kinds of electrical equipment are protected from damage caused by lightning overvoltage, operating overvoltage, and power frequency transient overvoltage.

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