The lightning arrester online monitoring device (also known as lightning arrester leakage current and action recorder, abbreviated as monitor) is a device connected in series at the low voltage end of the lightning arrester, used to monitor the changes in lightning arrester leakage current, the number of actions, and the notification. Suitable for monitoring the operation of various voltage levels of zinc oxide lightning arresters and silicon carbide lightning arresters in the power system.

Classification of lightning arrester online monitoring devices:

According to their usage objects, they can be divided into two types: ceramic shell or composite jacket lightning arresters and GIS tank type lightning arresters.

According to the nominal voltage of the supporting lightning arrester system, it can be divided into 35kV, 110kV, 220kV, 330kV, 500kV, 750kV, 1000kV, etc.

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