High impedance: High gradient MOV GIS arresters provide a high impedance path to the ground, which can prevent the lightning surge from entering the system.
Low leakage current: High gradient MOV GIS arresters have very low leakage current, which ensures the safety of the system.
Fast response time: High gradient MOV GIS arresters can respond quickly to lightning surge and protect the system from damage.
Reliability: High gradient MOV GIS arresters are highly reliable and can provide long-term protection for the electrical system.
The key element of a high gradient MOV GIS arrester is its MOV element. This MOV element consists of a metal oxide varistor (MOV) and a gas-insulated switchgear (GIS). The MOV element works by absorbing and diverting overvoltage surges away from the protected equipment. The GIS element is responsible for providing a safe path to ground for the electrical surge so that the energy is discharged safely.
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