Metal oxide arrester

Fundamental 

Zinc oxide arrester is currently the most advanced lightning protection equipment in the world. Because its core element resistor is made of zinc oxide and a variety of metal oxides, compared with traditional silicon carbide arresters, the volt-ampere characteristics of the resistors are greatly improved, and the current capacity of the resistors is improved, thus bringing the fundamental characteristics of the arrester Variety.

When the arrester is under normal working voltage, the current flowing through the arrester is only microampere level. When subjected to overvoltage, the excellent nonlinear volt-ampere characteristics of the arrester come into play, and the current flowing through the arrester instantly increases to several thousand Ampere, the arrester is in the conducting state, releasing the over-voltage energy, thereby effectively limiting the over-voltage damage to the power transmission and transformation equipment.