Voltage non-linear resistor unit and arrester unit

H - Electricity – 01 – C

Patent

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Details

H01C 7/10 (2006.01) H01C 7/112 (2006.01) H01C 7/12 (2006.01) H01C 13/02 (2006.01) B23K 35/26 (2006.01)

Patent

CA 2313914

A voltage non-linear resistor unit is composed of at least one of voltage non-linear resistors which is composed of a columnar sintered body formed by molding and sintering a raw material, the sintered body having both end surfaces having a surface roughness in term of arithmetic average surface roughness Ra of 1 to 2µ m and being formed with an electrode film layer, a terminal metal fitting formed in a predetermined shape and attached to the voltage non-linear resistor, and a soldering material arranged between the voltage non-linear resistors and between joint surfaces of the voltage non-linear resistor and the terminal metal fitting, the joint surfaces being joined by heating the soldering material and applying a load vertically to the joint surfaces while giving a rotation motion thereto. Such voltage non-linear resistor is effectively assembled into an arrester.

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