LIGHTNING ARRESTERS FOR METAL CLAD SF6 SWITCHGEAR WITH VOLTAGES FROM 72.5 TO 525 KV

Depending on the configuration and location within a network of SF//6 switchgear, which is now being installed on an increasing scale, it may be necessary to use SF//6-insulated lightning arresters to protect the main items of equipment, such as the transformers. Based on the familiar technology of the outdoor arrester type HM, the design and mode of operation of the metalclad arrester, and its advantages are described.